DENISE RENEE TITTLE D.O.
Prescription History 1982999694
Family Medicine in Clarksville, TN
What does Dr. Tittle prescribe?
In 2024, Dr. Tittle wrote 1,347 Medicare prescriptions for 47 medications. The most prescribed was Atorvastatin Calcium, with 106 prescriptions for 36 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 Dr. Tittle prescribes.
Medications 47 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 Tennessee 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 Tennessee prescribers
Dr. Tittle wrote 106 prescriptions for Atorvastatin Calcium, about half as often as the typical Tennessee prescriber of it (182). Medicare paid $12.17 per fill, versus $10.30 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
Amlodipine is used with or without other medications to treat high blood pressure.
Compared with Tennessee prescribers
Dr. Tittle wrote 91 prescriptions for Amlodipine Besylate, about 61% as often as the typical Tennessee prescriber of it (149). Medicare paid $6.35 per fill, versus $5.21 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 Tennessee prescribers
Dr. Tittle wrote 84 prescriptions for Losartan Potassium, about 73% as often as the typical Tennessee prescriber of it (115). Medicare paid $13.67 per fill, versus $10.09 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
Lisinopril is used to treat high blood pressure.
Compared with Tennessee prescribers
Dr. Tittle wrote 81 prescriptions for Lisinopril, about 65% as often as the typical Tennessee prescriber of it (124). Medicare paid $8.04 per fill, versus $5.99 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
Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with Tennessee prescribers
Dr. Tittle wrote 79 prescriptions for Metformin Hcl, about as often as the typical Tennessee prescriber of it (88). Medicare paid $8.10 per fill, versus $6.35 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
Simvastatin 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 Tennessee prescribers
Dr. Tittle wrote 53 prescriptions for Simvastatin, about 76% as often as the typical Tennessee prescriber of it (70). Medicare paid $8.96 per fill, versus $7.18 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
Levothyroxine is used to treat an underactive thyroid (hypothyroidism).
Compared with Tennessee prescribers
Dr. Tittle wrote 51 prescriptions for Levothyroxine Sodium, about 30% as often as the typical Tennessee prescriber of it (172). Medicare paid $14.14 per fill, versus $8.49 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 treat high blood pressure.
Compared with Tennessee prescribers
Dr. Tittle wrote 49 prescriptions for Hydrochlorothiazide, about 64% as often as the typical Tennessee prescriber of it (77). Medicare paid $4.08 per fill, versus $3.96 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
Alendronate is used to prevent and treat certain types of bone loss (osteoporosis) in adults.
Compared with Tennessee prescribers
Dr. Tittle wrote 45 prescriptions for Alendronate Sodium, about as often as the typical Tennessee prescriber of it (46). Medicare paid $10.70 per fill, versus $7.69 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 mineral supplement used to treat or prevent low amounts of potassium in the blood.
Compared with Tennessee prescribers
Dr. Tittle wrote 37 prescriptions for Potassium Chloride, about half as often as the typical Tennessee prescriber of it (81). Medicare paid $17.58 per fill, versus $17.21 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 Tennessee prescribers
Dr. Tittle wrote 35 prescriptions for Omeprazole, about 30% as often as the typical Tennessee prescriber of it (116). Medicare paid $5.23 per fill, versus $13.46 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
This medication is a beta-blocker used to treat chest pain (angina), heart failure, and high blood pressure.
Compared with Tennessee prescribers
Dr. Tittle wrote 30 prescriptions for Metoprolol Succinate, about 31% as often as the typical Tennessee prescriber of it (96). Medicare paid $15.79 per fill, versus $13.51 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
Atenolol is used with or without other medications to treat high blood pressure (hypertension).
Compared with Tennessee prescribers
Dr. Tittle wrote 28 prescriptions for Atenolol, about 72% as often as the typical Tennessee prescriber of it (39). Medicare paid $6.57 per fill, versus $7.29 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
Meloxicam is used to treat arthritis.
Compared with Tennessee prescribers
Dr. Tittle wrote 27 prescriptions for Meloxicam, about 40% as often as the typical Tennessee prescriber of it (67). Medicare paid $7.73 per fill, versus $4.10 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 Tennessee prescribers
Dr. Tittle wrote 26 prescriptions for Furosemide, about 27% as often as the typical Tennessee prescriber of it (98). Medicare paid $4.05 per fill, versus $4.66 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
Gabapentin is used with other medications to prevent and control seizures.
Compared with Tennessee prescribers
Dr. Tittle wrote 25 prescriptions for Gabapentin, about 19% as often as the typical Tennessee prescriber of it (129). Medicare paid $32.21 per fill, versus $12.39 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
Metoprolol is used with or without other medications to treat high blood pressure (hypertension).
Compared with Tennessee prescribers
Dr. Tittle wrote 25 prescriptions for Metoprolol Tartrate, about 29% as often as the typical Tennessee prescriber of it (85). Medicare paid $8.29 per fill, versus $5.88 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
Montelukast is used to control and prevent symptoms caused by asthma (such as wheezing and shortness of breath).
Compared with Tennessee prescribers
Dr. Tittle wrote 25 prescriptions for Montelukast Sodium, about 34% as often as the typical Tennessee prescriber of it (74). Medicare paid $13.13 per fill, versus $10.70 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
Carvedilol is used to treat high blood pressure and heart failure.
Compared with Tennessee prescribers
Dr. Tittle wrote 24 prescriptions for Carvedilol, about 31% as often as the typical Tennessee prescriber of it (77). Medicare paid $7.43 per fill, versus $7.68 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
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 Tennessee prescribers
Dr. Tittle wrote 23 prescriptions for Fluticasone Propionate, about 40% as often as the typical Tennessee prescriber of it (58). Medicare paid $37.50 per fill, versus $14.80 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 Tennessee prescribers
Dr. Tittle wrote 22 prescriptions for Metformin Hcl Er, about 35% as often as the typical Tennessee prescriber of it (64). Medicare paid $5.89 per fill, versus $8.75 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
This medication is used to treat certain mental/mood disorders (such as depression, anxiety).
Compared with Tennessee prescribers
Dr. Tittle wrote 21 prescriptions for Escitalopram Oxalate, about 35% as often as the typical Tennessee prescriber of it (60). Medicare paid $8.26 per fill, versus $10.36 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 Tennessee prescribers
Dr. Tittle wrote 19 prescriptions for Famotidine, about 29% as often as the typical Tennessee prescriber of it (66). Medicare paid $20.63 per fill, versus $13.93 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 Tennessee prescribers
Dr. Tittle wrote 19 prescriptions for Glipizide Er, about half as often as the typical Tennessee prescriber of it (34). Medicare paid $27.70 per fill, versus $14.62 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
Levothyroxine is used to treat an underactive thyroid (hypothyroidism).
Compared with Tennessee prescribers
Dr. Tittle wrote 19 prescriptions for Synthroid, about half as often as the typical Tennessee prescriber of it (36). Medicare paid $65.72 per fill, versus $65.48 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 high blood pressure.
Compared with Tennessee prescribers
Dr. Tittle wrote 18 prescriptions for Lisinopril-Hydrochlorothiazide, about half as often as the typical Tennessee prescriber of it (37). Medicare paid $9.52 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
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 Tennessee prescribers
Dr. Tittle wrote 18 prescriptions for Rosuvastatin Calcium, about 14% as often as the typical Tennessee prescriber of it (125). Medicare paid $15.36 per fill, versus $12.52 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
Donepezil is used to treat confusion (dementia) related to Alzheimer's disease.
Compared with Tennessee prescribers
Dr. Tittle wrote 17 prescriptions for Donepezil Hcl, about 25% as often as the typical Tennessee prescriber of it (67). Medicare paid $7.86 per fill, versus $10.56 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
Empagliflozin is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Tennessee prescribers
Dr. Tittle wrote 17 prescriptions for Jardiance, about 32% as often as the typical Tennessee prescriber of it (53). Medicare paid $1,080.73 per fill, versus $973.79 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 Tennessee prescribers
Dr. Tittle wrote 16 prescriptions for Glipizide, about half as often as the typical Tennessee prescriber of it (33). Medicare paid $10.29 per fill, versus $8.35 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 Tennessee prescribers
Dr. Tittle wrote 16 prescriptions for Quetiapine Fumarate, about 27% as often as the typical Tennessee prescriber of it (60). Medicare paid $7.91 per fill, versus $15.36 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 prevent or control seizures (epilepsy).
Compared with Tennessee prescribers
Dr. Tittle wrote 15 prescriptions for Lamotrigine Er, about 60% as often as the typical Tennessee prescriber of it (25). Medicare paid $54.44 per fill, versus $318.38 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
Dulaglutide is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Tennessee prescribers
Dr. Tittle wrote 15 prescriptions for Trulicity, about half as often as the typical Tennessee prescriber of it (33). Medicare paid $1,408.25 per fill, versus $1,232.15 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
Insulin glargine is used with a proper diet and exercise program to control high blood sugar in people with diabetes.
Compared with Tennessee prescribers
Dr. Tittle wrote 14 prescriptions for Lantus Solostar, about 36% as often as the typical Tennessee prescriber of it (39). Medicare paid $207.16 per fill, versus $130.06 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
Nifedipine is used alone or in combination with other drugs to treat high blood pressure (hypertension).
Compared with Tennessee prescribers
Dr. Tittle wrote 14 prescriptions for Nifedipine Er, about half as often as the typical Tennessee prescriber of it (31). Medicare paid $21.04 per fill, versus $25.24 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 Tennessee prescribers
Dr. Tittle wrote 14 prescriptions for Tamsulosin Hcl, about 16% as often as the typical Tennessee prescriber of it (90). Medicare paid $16.55 per fill, versus $13.09 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
Glimepiride is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Tennessee prescribers
Dr. Tittle wrote 13 prescriptions for Glimepiride, about 25% as often as the typical Tennessee prescriber of it (52). Medicare paid $13.18 per fill, versus $8.83 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
This medication is used to treat certain mental/mood disorders (such as depression, anxiety).
Compared with Tennessee prescribers
Dr. Tittle wrote 12 prescriptions for Duloxetine Hcl, about 20% as often as the typical Tennessee prescriber of it (61). Medicare paid $34.71 per fill, versus $23.18 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
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 Tennessee prescribers
Dr. Tittle wrote 12 prescriptions for Eliquis, about 12% as often as the typical Tennessee prescriber of it (97). Medicare paid $794.08 per fill, versus $804.23 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
This combination medication is used to relieve moderate to severe pain.
Compared with Tennessee prescribers
Dr. Tittle wrote 12 prescriptions for Hydrocodone-Acetaminophen, about 12% as often as the typical Tennessee prescriber of it (99). Medicare paid $7.98 per fill, versus $19.65 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 high blood pressure, irregular heartbeats, shaking (tremors), and other conditions.
Compared with Tennessee prescribers
Dr. Tittle wrote 12 prescriptions for Propranolol Hcl, about half as often as the typical Tennessee prescriber of it (27). Medicare paid $43.41 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
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 Tennessee prescribers
Dr. Tittle wrote 12 prescriptions for Sertraline Hcl, about 17% as often as the typical Tennessee prescriber of it (72). Medicare paid $10.20 per fill, versus $8.57 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
Compared with Tennessee prescribers
Dr. Tittle wrote 12 prescriptions for Ultra-Fine Mini Pen Needle, about 60% as often as the typical Tennessee prescriber of it (20). Medicare paid $56.32 per fill, versus $90.21 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
Esomeprazole is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers).
Compared with Tennessee prescribers
Dr. Tittle wrote 11 prescriptions for Esomeprazole Magnesium, about 32% as often as the typical Tennessee prescriber of it (35). Medicare paid $27.86 per fill, versus $41.72 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 Tennessee prescribers
Dr. Tittle wrote 11 prescriptions for Fluoxetine Hcl, about 26% as often as the typical Tennessee prescriber of it (43). Medicare paid $13.84 per fill, versus $9.20 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
Hydralazine is used with or without other medications to treat high blood pressure.
Compared with Tennessee prescribers
Dr. Tittle wrote 11 prescriptions for Hydralazine Hcl, about 23% as often as the typical Tennessee prescriber of it (47). Medicare paid $24.54 per fill, versus $12.55 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
Semaglutide is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Tennessee prescribers
Dr. Tittle wrote 11 prescriptions for Ozempic, about 17% as often as the typical Tennessee prescriber of it (63). Medicare paid $1,782.57 per fill, versus $1,248.49 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
Questions about Dr. Tittle’s prescriptions
What does Dr. Tittle prescribe most?
In 2024 Medicare Part D data, Dr. Tittle's most prescribed medications were Atorvastatin Calcium (106), Amlodipine Besylate (91) and Losartan Potassium (84).
How does Dr. Tittle's prescribing compare with other Tennessee prescribers?
Of the 47 medications with a state comparison, Dr. Tittle prescribes 3 about as often than the typical Tennessee prescriber and 44 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Tittle 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 Tennessee 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.