DAVID WILSON CHASTAIN-STULTZ FNP-BC
Prescription History 1386339604
Nurse Practitioner - Family in Florence, MA
What does David Chastain-Stultz prescribe?
In 2024, David Chastain-Stultz wrote 2,006 Medicare prescriptions for 67 medications. The most prescribed was Atorvastatin Calcium, with 130 prescriptions for 47 patients.
Medicare Part D only. These are prescriptions filled by people with Medicare drug coverage in 2024, from the CMS data released in 2026, the most recent year available. CMS does not publish medications with fewer than 11 prescriptions, so this is not a full list of what David Chastain-Stultz prescribes.
Medications 67 medications
Prescriptions filled under Medicare Part D in 2024. Select a medication to see what it is used for and how it compares with other Massachusetts prescribers.
What it is used for
Atorvastatin is used along with a proper diet to help lower "bad" cholesterol and fats (such as LDL, triglycerides) and raise "good" cholesterol (HDL) in the blood.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 130 prescriptions for Atorvastatin Calcium, about 69% as often as the typical Massachusetts prescriber of it (188). Medicare paid $17.57 per fill, versus $13.82 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Lisinopril is used to treat high blood pressure.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 109 prescriptions for Lisinopril, about 88% as often as the typical Massachusetts prescriber of it (123). Medicare paid $7.56 per fill, versus $8.13 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat anxiety.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 102 prescriptions for Lorazepam, about 1.7 times as often as the typical Massachusetts prescriber of it (60). Medicare paid $4.36 per fill, versus $6.11 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Gabapentin is used with other medications to prevent and control seizures.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 78 prescriptions for Gabapentin, about as often as the typical Massachusetts prescriber of it (80). Medicare paid $13.24 per fill, versus $14.49 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to help relieve moderate to severe pain.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 76 prescriptions for Oxycodone Hcl, about 1.7 times as often as the typical Massachusetts prescriber of it (45). Medicare paid $12.81 per fill, versus $12.16 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Amlodipine is used with or without other medications to treat high blood pressure.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 69 prescriptions for Amlodipine Besylate, about half as often as the typical Massachusetts prescriber of it (126). Medicare paid $9.22 per fill, versus $7.46 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Omeprazole is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers).
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 69 prescriptions for Omeprazole, about 71% as often as the typical Massachusetts prescriber of it (97). Medicare paid $14.45 per fill, versus $15.75 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Albuterol (also known as salbutamol) is used to prevent and treat wheezing and shortness of breath caused by breathing problems (such as asthma, chronic obstructive pulmonary disease).
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 48 prescriptions for Albuterol Sulfate Hfa, about 83% as often as the typical Massachusetts prescriber of it (58). Medicare paid $21.79 per fill, versus $31.48 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is a beta-blocker used to treat chest pain (angina), heart failure, and high blood pressure.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 48 prescriptions for Metoprolol Succinate, about half as often as the typical Massachusetts prescriber of it (112). Medicare paid $17.61 per fill, versus $18.15 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat certain mental/mood disorders (such as depression, anxiety).
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 47 prescriptions for Escitalopram Oxalate, about as often as the typical Massachusetts prescriber of it (46). Medicare paid $10.21 per fill, versus $13.27 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Losartan is used to treat high blood pressure (hypertension) and to help protect the kidneys from damage due to diabetes.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 47 prescriptions for Losartan Potassium, about half as often as the typical Massachusetts prescriber of it (90). Medicare paid $9.48 per fill, versus $11.50 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat high blood pressure.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 45 prescriptions for Hydrochlorothiazide, about 66% as often as the typical Massachusetts prescriber of it (68). Medicare paid $4.30 per fill, versus $4.39 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat certain mental/mood disorders (such as depression, anxiety).
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 37 prescriptions for Duloxetine Hcl, about 89% as often as the typical Massachusetts prescriber of it (42). Medicare paid $15.08 per fill, versus $26.82 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Tamsulosin is used by men to treat the symptoms of an enlarged prostate (benign prostatic hyperplasia-BPH).
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 37 prescriptions for Tamsulosin Hcl, about half as often as the typical Massachusetts prescriber of it (78). Medicare paid $19.15 per fill, versus $17.30 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Rosuvastatin is used along with a proper diet to help lower "bad" cholesterol and fats (such as LDL, triglycerides) and raise "good" cholesterol (HDL) in the blood.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 36 prescriptions for Rosuvastatin Calcium, about half as often as the typical Massachusetts prescriber of it (79). Medicare paid $25.34 per fill, versus $28.16 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
See also Warning section.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 36 prescriptions for Tramadol Hcl, about 82% as often as the typical Massachusetts prescriber of it (44). Medicare paid $9.55 per fill, versus $6.91 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat certain mental/mood disorders (such as schizophrenia, bipolar disorder, sudden episodes of mania or depression associated with bipolar disorder).
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 35 prescriptions for Quetiapine Fumarate, about half as often as the typical Massachusetts prescriber of it (59). Medicare paid $8.37 per fill, versus $18.29 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 33 prescriptions for Metformin Hcl Er, about 64% as often as the typical Massachusetts prescriber of it (52). Medicare paid $14.99 per fill, versus $12.48 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat muscle spasms caused by certain conditions (such as multiple sclerosis, spinal cord injury).
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 33 prescriptions for Tizanidine Hcl, about as often as the typical Massachusetts prescriber of it (33). Medicare paid $10.79 per fill, versus $12.32 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Cyclobenzaprine is used short-term to treat muscle spasms.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 32 prescriptions for Cyclobenzaprine Hcl, about as often as the typical Massachusetts prescriber of it (31). Medicare paid $18.05 per fill, versus $8.77 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Levothyroxine is used to treat an underactive thyroid (hypothyroidism).
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 32 prescriptions for Levothyroxine Sodium, about 26% as often as the typical Massachusetts prescriber of it (123). Medicare paid $8.65 per fill, versus $10.45 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat certain mental/mood disorders (such as depression, panic attacks, obsessive compulsive disorder, post-traumatic stress disorder, social anxiety disorder).
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 32 prescriptions for Sertraline Hcl, about half as often as the typical Massachusetts prescriber of it (62). Medicare paid $11.01 per fill, versus $10.02 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat depression.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 32 prescriptions for Trazodone Hcl, about half as often as the typical Massachusetts prescriber of it (72). Medicare paid $14.38 per fill, versus $9.86 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Apixaban is used to prevent serious blood clots from forming due to a certain irregular heartbeat (atrial fibrillation) or after hip/knee replacement surgery.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 31 prescriptions for Eliquis, about 35% as often as the typical Massachusetts prescriber of it (88). Medicare paid $766.99 per fill, versus $852.50 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Valsartan is used to treat high blood pressure and heart failure.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 30 prescriptions for Valsartan, about 88% as often as the typical Massachusetts prescriber of it (34). Medicare paid $26.10 per fill, versus $36.63 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Zolpidem is used for a short time to treat a certain sleep problem (insomnia) in adults.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 28 prescriptions for Zolpidem Tartrate, about 75% as often as the typical Massachusetts prescriber of it (37). Medicare paid $11.44 per fill, versus $5.91 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Famotidine is used to treat ulcers of the stomach and intestines and to prevent intestinal ulcers from coming back after they have healed.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 25 prescriptions for Famotidine, about half as often as the typical Massachusetts prescriber of it (46). Medicare paid $8.77 per fill, versus $14.29 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Prednisone is used to treat conditions such as arthritis, blood disorders, breathing problems, severe allergies, skin diseases, cancer, eye problems, and immune system disorders.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 25 prescriptions for Prednisone, about half as often as the typical Massachusetts prescriber of it (44). Medicare paid $4.46 per fill, versus $4.60 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Fluticasone is used to relieve seasonal and year-round allergic and non-allergic nasal symptoms, such as stuffy/runny nose, itching, and sneezing.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 24 prescriptions for Fluticasone Propionate, about half as often as the typical Massachusetts prescriber of it (44). Medicare paid $12.75 per fill, versus $16.98 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Rivaroxaban is used to prevent blood clots from forming due to a certain irregular heartbeat (atrial fibrillation) or after hip or knee replacement surgery.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 24 prescriptions for Xarelto, about half as often as the typical Massachusetts prescriber of it (41). Medicare paid $574.02 per fill, versus $942.73 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Alprazolam is used to treat anxiety and panic disorders.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 23 prescriptions for Alprazolam, about half as often as the typical Massachusetts prescriber of it (46). Medicare paid $2.03 per fill, versus $6.58 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Clonazepam is used to prevent and control seizures.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 23 prescriptions for Clonazepam, about 40% as often as the typical Massachusetts prescriber of it (57). Medicare paid $13.44 per fill, versus $8.14 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This combination medication is used to relieve moderate to severe pain.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 22 prescriptions for Hydrocodone-Acetaminophen, about 61% as often as the typical Massachusetts prescriber of it (36). Medicare paid $37.07 per fill, versus $17.81 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Ibuprofen is used to relieve pain from various conditions such as headache, dental pain, menstrual cramps, muscle aches, or arthritis.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 22 prescriptions for Ibuprofen, about 65% as often as the typical Massachusetts prescriber of it (34). Medicare paid $15.93 per fill, versus $7.90 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This combination medication is used to help relieve moderate to severe pain.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 22 prescriptions for Oxycodone-Acetaminophen, about half as often as the typical Massachusetts prescriber of it (44). Medicare paid $15.81 per fill, versus $19.02 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Lamotrigine is used alone or with other medications to prevent and control seizures.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 20 prescriptions for Lamotrigine, about 39% as often as the typical Massachusetts prescriber of it (52). Medicare paid $22.50 per fill, versus $15.23 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Metoprolol is used with or without other medications to treat high blood pressure (hypertension).
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 20 prescriptions for Metoprolol Tartrate, about 37% as often as the typical Massachusetts prescriber of it (54). Medicare paid $5.93 per fill, versus $7.85 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat pain caused by nerve damage due to diabetes, shingles (herpes zoster) infection, or spinal cord injury.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 19 prescriptions for Pregabalin, about half as often as the typical Massachusetts prescriber of it (34). Medicare paid $39.58 per fill, versus $26.29 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Pravastatin is used along with a proper diet to help lower "bad" cholesterol and fats (such as LDL, triglycerides) and raise "good" cholesterol (HDL) in the blood.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 18 prescriptions for Pravastatin Sodium, about 40% as often as the typical Massachusetts prescriber of it (45). Medicare paid $25.88 per fill, versus $19.59 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to help relieve severe ongoing pain (such as due to cancer).
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 17 prescriptions for Morphine Sulfate Er, about half as often as the typical Massachusetts prescriber of it (32). Medicare paid $15.08 per fill, versus $29.09 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is an antibiotic used to treat bladder infections (acute cystitis).
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 17 prescriptions for Nitrofurantoin Mono-Macro, about 70% as often as the typical Massachusetts prescriber of it (24). Medicare paid $7.29 per fill, versus $11.54 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Semaglutide is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 17 prescriptions for Rybelsus, about 75% as often as the typical Massachusetts prescriber of it (23). Medicare paid $1,414.69 per fill, versus $1,400.76 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat depression.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 16 prescriptions for Bupropion Xl, about half as often as the typical Massachusetts prescriber of it (35). Medicare paid $31.75 per fill, versus $25.96 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat anxiety.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 16 prescriptions for Buspirone Hcl, about 41% as often as the typical Massachusetts prescriber of it (39). Medicare paid $9.23 per fill, versus $15.99 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Finasteride is used to shrink an enlarged prostate (benign prostatic hyperplasia or BPH) in adult men.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 16 prescriptions for Finasteride, about 28% as often as the typical Massachusetts prescriber of it (57). Medicare paid $19.59 per fill, versus $15.17 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used alone or with other medications to prevent nausea and vomiting caused by cancer drug treatment (chemotherapy) and radiation therapy.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 16 prescriptions for Ondansetron Odt, about 74% as often as the typical Massachusetts prescriber of it (22). Medicare paid $11.28 per fill, versus $15.13 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat depression.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 15 prescriptions for Citalopram Hbr, about 35% as often as the typical Massachusetts prescriber of it (43). Medicare paid $14.04 per fill, versus $8.54 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Diltiazem is used to treat high blood pressure (hypertension) and prevent chest pain (angina).
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 15 prescriptions for Diltiazem 24hr Er (Cd), about half as often as the typical Massachusetts prescriber of it (33). Medicare paid $27.45 per fill, versus $35.05 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat certain mental/mood disorders (such as depression, panic attacks, obsessive compulsive disorder).
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 15 prescriptions for Fluoxetine Hcl, about 38% as often as the typical Massachusetts prescriber of it (40). Medicare paid $5.67 per fill, versus $11.95 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat depression.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 15 prescriptions for Mirtazapine, about 29% as often as the typical Massachusetts prescriber of it (51). Medicare paid $13.04 per fill, versus $19.68 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat a variety of skin conditions (such as eczema, dermatitis, allergies, rash).
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 15 prescriptions for Triamcinolone Acetonide, about half as often as the typical Massachusetts prescriber of it (35). Medicare paid $9.15 per fill, versus $10.62 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Verapamil is used to treat high blood pressure.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 15 prescriptions for Verapamil Er, about 81% as often as the typical Massachusetts prescriber of it (18). Medicare paid $12.41 per fill, versus $25.84 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Diazepam is used to treat anxiety, alcohol withdrawal, and seizures.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 14 prescriptions for Diazepam, about half as often as the typical Massachusetts prescriber of it (27). Medicare paid $4.36 per fill, versus $6.39 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Furosemide is used to reduce extra fluid in the body (edema) caused by conditions such as heart failure, liver disease, and kidney disease.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 14 prescriptions for Furosemide, about 19% as often as the typical Massachusetts prescriber of it (72). Medicare paid $8.75 per fill, versus $5.71 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to help relieve moderate to severe pain.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 14 prescriptions for Morphine Sulfate, about 63% as often as the typical Massachusetts prescriber of it (22). Medicare paid $37.45 per fill, versus $22.49 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This is a long-acting form of oxybutynin that is used to treat overactive bladder and urinary conditions.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 14 prescriptions for Oxybutynin Chloride Er, about half as often as the typical Massachusetts prescriber of it (32). Medicare paid $16.09 per fill, versus $28.53 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This combination medication is used to treat tension headaches.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 13 prescriptions for Butalbital-Acetaminophen-Caffe, about half as often as the typical Massachusetts prescriber of it (24). Medicare paid $8.98 per fill, versus $24.01 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Fluticasone is used to control and prevent symptoms (such as wheezing and shortness of breath) caused by asthma.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 12 prescriptions for Arnuity Ellipta, about half as often as the typical Massachusetts prescriber of it (26). Medicare paid $240.54 per fill, versus $284.25 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Glipizide is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 12 prescriptions for Glipizide Er, about 35% as often as the typical Massachusetts prescriber of it (34). Medicare paid $20.77 per fill, versus $17.43 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used alone or with other medications to control seizures.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 12 prescriptions for Phenobarbital, about half as often as the typical Massachusetts prescriber of it (27). Medicare paid $23.09 per fill, versus $22.55 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This product is used to control and prevent symptoms (wheezing and shortness of breath) caused by asthma.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 11 prescriptions for Advair Hfa, about half as often as the typical Massachusetts prescriber of it (26). Medicare paid $312.93 per fill, versus $444.66 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Alendronate is used to prevent and treat certain types of bone loss (osteoporosis) in adults.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 11 prescriptions for Alendronate Sodium, about 26% as often as the typical Massachusetts prescriber of it (42). Medicare paid $10.27 per fill, versus $10.03 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This product is used to treat and prevent symptoms (wheezing and shortness of breath) caused by ongoing lung disease (chronic obstructive pulmonary disease-COPD, which includes bronchitis and emphysema).
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 11 prescriptions for Combivent Respimat, about half as often as the typical Massachusetts prescriber of it (21). Medicare paid $478.72 per fill, versus $591.83 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
See also Warning section.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 11 prescriptions for Diclofenac Sodium, about 30% as often as the typical Massachusetts prescriber of it (36). Medicare paid $20.48 per fill, versus $26.18 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 11 prescriptions for Metformin Hcl, about 15% as often as the typical Massachusetts prescriber of it (73). Medicare paid $9.25 per fill, versus $9.67 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is a combination of two antibiotics: sulfamethoxazole and trimethoprim.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 11 prescriptions for Sulfamethoxazole-Trimethoprim, about half as often as the typical Massachusetts prescriber of it (26). Medicare paid $4.05 per fill, versus $5.08 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Valacyclovir is used to treat infections caused by certain types of viruses.
Compared with Massachusetts prescribers
David Chastain-Stultz wrote 11 prescriptions for Valacyclovir, about half as often as the typical Massachusetts prescriber of it (22). Medicare paid $22.04 per fill, versus $29.55 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
Questions about David Chastain-Stultz’s prescriptions
What does David Chastain-Stultz prescribe most?
In 2024 Medicare Part D data, David Chastain-Stultz's most prescribed medications were Atorvastatin Calcium (130), Lisinopril (109) and Lorazepam (102).
How does David Chastain-Stultz's prescribing compare with other Massachusetts prescribers?
Of the 67 medications with a state comparison, David Chastain-Stultz prescribes 2 more often than the typical Massachusetts prescriber, 12 about as often and 53 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication David Chastain-Stultz prescribes?
No. It covers prescriptions filled by people with Medicare Part D drug coverage in 2024, and CMS leaves out any medication with fewer than 11 prescriptions.
About this data
This page shows one provider’s slice of public Medicare files. NPI Profile does not receive prescriptions or patient records.
| Source | What it provides here | Data year |
|---|---|---|
| CMS Medicare Part D Prescribers by Provider and Drug | Each medication, prescriptions, patients, 30-day fills, days of medication and cost. State comparisons average the Massachusetts prescribers of the same medication and form, where at least five wrote it. | 2024 (released 2026, the most recent available) |
| CMS Medicare Part D Drug Spending Dashboard | What each medication is used for. | 2024 |
- Only prescriptions filled by people with Medicare Part D drug coverage are counted. Private insurance, Medicaid and cash purchases are not.
- CMS leaves out medications with fewer than 11 prescriptions and hides patient counts under 11.
- Cost per fill is what the plan and the patient paid the pharmacy together, not what you pay at the counter.
- Medication descriptions are summaries from CMS. They are not medical advice; ask a health care professional about any medication.
