JEREMIAH BEN KNAPP M.D.
Prescription History 1922414721
Family Medicine in Tigard, OR
What does Dr. Knapp prescribe?
In 2024, Dr. Knapp wrote 1,441 Medicare prescriptions for 38 medications. The most prescribed was Atorvastatin Calcium, with 200 prescriptions for 101 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. Knapp prescribes.
Medications 38 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 Oregon 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 Oregon prescribers
Dr. Knapp wrote 200 prescriptions for Atorvastatin Calcium, about 1.2 times as often as the typical Oregon prescriber of it (168). Medicare paid $26.40 per fill, versus $12.77 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
Amlodipine is used with or without other medications to treat high blood pressure.
Compared with Oregon prescribers
Dr. Knapp wrote 116 prescriptions for Amlodipine Besylate, about as often as the typical Oregon prescriber of it (109). Medicare paid $8.80 per fill, versus $8.23 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
Lisinopril is used to treat high blood pressure.
Compared with Oregon prescribers
Dr. Knapp wrote 82 prescriptions for Lisinopril, about 74% as often as the typical Oregon prescriber of it (111). Medicare paid $12.30 per fill, versus $8.73 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
Losartan is used to treat high blood pressure (hypertension) and to help protect the kidneys from damage due to diabetes.
Compared with Oregon prescribers
Dr. Knapp wrote 70 prescriptions for Losartan Potassium, about 65% as often as the typical Oregon prescriber of it (107). Medicare paid $17.40 per fill, versus $11.59 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
Gabapentin is used with other medications to prevent and control seizures.
Compared with Oregon prescribers
Dr. Knapp wrote 65 prescriptions for Gabapentin, about 85% as often as the typical Oregon prescriber of it (77). Medicare paid $25.75 per fill, versus $20.58 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
Alendronate is used to prevent and treat certain types of bone loss (osteoporosis) in adults.
Compared with Oregon prescribers
Dr. Knapp wrote 63 prescriptions for Alendronate Sodium, about 1.3 times as often as the typical Oregon prescriber of it (47). Medicare paid $18.42 per fill, versus $10.71 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
Empagliflozin is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Oregon prescribers
Dr. Knapp wrote 61 prescriptions for Jardiance, about 1.4 times as often as the typical Oregon prescriber of it (43). Medicare paid $1,210.97 per fill, versus $999.12 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 Oregon prescribers
Dr. Knapp wrote 46 prescriptions for Levothyroxine Sodium, about 35% as often as the typical Oregon prescriber of it (130). Medicare paid $11.32 per fill, versus $12.22 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 Oregon prescribers
Dr. Knapp wrote 45 prescriptions for Metformin Hcl, about 68% as often as the typical Oregon prescriber of it (66). Medicare paid $7.15 per fill, versus $10.21 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
This medication is a beta-blocker used to treat chest pain (angina), heart failure, and high blood pressure.
Compared with Oregon prescribers
Dr. Knapp wrote 45 prescriptions for Metoprolol Succinate, about half as often as the typical Oregon prescriber of it (93). Medicare paid $24.15 per fill, versus $15.56 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
Chlorthalidone is used to treat high blood pressure (hypertension).
Compared with Oregon prescribers
Dr. Knapp wrote 43 prescriptions for Chlorthalidone, about 1.7 times as often as the typical Oregon prescriber of it (25). Medicare paid $27.03 per fill, versus $17.85 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
Allopurinol is used to treat gout and certain types of kidney stones.
Compared with Oregon prescribers
Dr. Knapp wrote 40 prescriptions for Allopurinol, about as often as the typical Oregon prescriber of it (40). Medicare paid $13.10 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
Omeprazole is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers).
Compared with Oregon prescribers
Dr. Knapp wrote 35 prescriptions for Omeprazole, about half as often as the typical Oregon prescriber of it (83). Medicare paid $24.94 per fill, versus $15.87 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 Oregon prescribers
Dr. Knapp wrote 35 prescriptions for Rosuvastatin Calcium, about half as often as the typical Oregon prescriber of it (79). Medicare paid $49.44 per fill, versus $16.28 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 drug is used to treat high blood pressure.
Compared with Oregon prescribers
Dr. Knapp wrote 34 prescriptions for Losartan-Hydrochlorothiazide, about 1.2 times as often as the typical Oregon prescriber of it (29). Medicare paid $50.42 per fill, versus $15.94 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 Oregon prescribers
Dr. Knapp wrote 33 prescriptions for Metformin Hcl Er, about 61% as often as the typical Oregon prescriber of it (54). Medicare paid $20.15 per fill, versus $11.40 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 Oregon prescribers
Dr. Knapp wrote 32 prescriptions for Mirtazapine, about as often as the typical Oregon prescriber of it (34). Medicare paid $41.97 per fill, versus $21.87 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 Oregon prescribers
Dr. Knapp wrote 30 prescriptions for Ozempic, about 69% as often as the typical Oregon prescriber of it (43). Medicare paid $1,260.72 per fill, versus $1,203.90 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 product is a combination of two drugs: a calcium channel blocker (amlodipine) and an ACE inhibitor (benazepril).
Compared with Oregon prescribers
Dr. Knapp wrote 29 prescriptions for Amlodipine Besylate-Benazepril, about 1.4 times as often as the typical Oregon prescriber of it (20). Medicare paid $12.94 per fill, versus $17.79 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
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 Oregon prescribers
Dr. Knapp wrote 28 prescriptions for Albuterol Sulfate Hfa, about half as often as the typical Oregon prescriber of it (56). Medicare paid $24.60 per fill, versus $32.53 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
Tamsulosin is used by men to treat the symptoms of an enlarged prostate (benign prostatic hyperplasia-BPH).
Compared with Oregon prescribers
Dr. Knapp wrote 28 prescriptions for Tamsulosin Hcl, about 39% as often as the typical Oregon prescriber of it (72). Medicare paid $22.17 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
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 Oregon prescribers
Dr. Knapp wrote 27 prescriptions for Simvastatin, about half as often as the typical Oregon prescriber of it (56). Medicare paid $18.29 per fill, versus $9.99 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
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 Oregon prescribers
Dr. Knapp wrote 25 prescriptions for Fluticasone Propionate, about 76% as often as the typical Oregon prescriber of it (33). Medicare paid $10.23 per fill, versus $17.53 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 medication is used to treat high blood pressure.
Compared with Oregon prescribers
Dr. Knapp wrote 24 prescriptions for Hydrochlorothiazide, about 40% as often as the typical Oregon prescriber of it (60). Medicare paid $5.50 per fill, versus $5.66 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
Pantoprazole is used to treat certain stomach and esophagus problems (such as acid reflux).
Compared with Oregon prescribers
Dr. Knapp wrote 22 prescriptions for Pantoprazole Sodium, about half as often as the typical Oregon prescriber of it (51). Medicare paid $16.19 per fill, versus $15.28 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 Oregon prescribers
Dr. Knapp wrote 20 prescriptions for Pravastatin Sodium, about half as often as the typical Oregon prescriber of it (43). Medicare paid $29.35 per fill, versus $15.39 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 depression.
Compared with Oregon prescribers
Dr. Knapp wrote 18 prescriptions for Trazodone Hcl, about 28% as often as the typical Oregon prescriber of it (64). Medicare paid $16.29 per fill, versus $11.02 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
Tirzepatide is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Oregon prescribers
Dr. Knapp wrote 17 prescriptions for Mounjaro, about half as often as the typical Oregon prescriber of it (31). Medicare paid $1,439.94 per fill, versus $1,218.69 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
Carisoprodol is used short-term to treat muscle pain and discomfort.
Compared with Oregon prescribers
Dr. Knapp wrote 16 prescriptions for Carisoprodol, about as often as the typical Oregon prescriber of it (16). Medicare paid $8.62 per fill, versus $12.96 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
Finasteride is used to shrink an enlarged prostate (benign prostatic hyperplasia or BPH) in adult men.
Compared with Oregon prescribers
Dr. Knapp wrote 15 prescriptions for Finasteride, about 33% as often as the typical Oregon prescriber of it (45). Medicare paid $30.76 per fill, versus $14.08 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
Metoprolol is used with or without other medications to treat high blood pressure (hypertension).
Compared with Oregon prescribers
Dr. Knapp wrote 14 prescriptions for Metoprolol Tartrate, about 29% as often as the typical Oregon prescriber of it (47). Medicare paid $7.21 per fill, versus $8.41 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
Lovastatin 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 Oregon prescribers
Dr. Knapp wrote 13 prescriptions for Lovastatin, about 42% as often as the typical Oregon prescriber of it (31). Medicare paid $15.97 per fill, versus $11.86 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
This medication is used to help relieve moderate to severe pain.
Compared with Oregon prescribers
Dr. Knapp wrote 13 prescriptions for Oxycodone Hcl, about 25% as often as the typical Oregon prescriber of it (53). Medicare paid $16.49 per fill, versus $13.58 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
This medication is used to relieve nasal symptoms such as runny/itching/stuffy nose, sneezing, and post-nasal drip caused by allergies or other conditions.
Compared with Oregon prescribers
Dr. Knapp wrote 12 prescriptions for Azelastine Hcl, about 42% as often as the typical Oregon prescriber of it (29). Medicare paid $26.70 per fill, versus $23.66 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
This medication is a mineral supplement used to treat or prevent low amounts of potassium in the blood.
Compared with Oregon prescribers
Dr. Knapp wrote 12 prescriptions for Potassium Chloride, about 21% as often as the typical Oregon prescriber of it (56). Medicare paid $18.65 per fill, versus $23.50 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
Carvedilol is used to treat high blood pressure and heart failure.
Compared with Oregon prescribers
Dr. Knapp wrote 11 prescriptions for Carvedilol, about 21% as often as the typical Oregon prescriber of it (51). Medicare paid $15.67 per fill, versus $11.00 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 Oregon prescribers
Dr. Knapp wrote 11 prescriptions for Duloxetine Hcl, about 23% as often as the typical Oregon prescriber of it (48). Medicare paid $50.66 per fill, versus $26.63 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
Insulin glargine is used with a proper diet and exercise program to control high blood sugar in people with diabetes.
Compared with Oregon prescribers
Dr. Knapp wrote 11 prescriptions for Lantus Solostar, about 34% as often as the typical Oregon prescriber of it (32). Medicare paid $65.97 per fill, versus $128.36 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. Knapp’s prescriptions
What does Dr. Knapp prescribe most?
In 2024 Medicare Part D data, Dr. Knapp's most prescribed medications were Atorvastatin Calcium (200), Amlodipine Besylate (116) and Lisinopril (82).
How does Dr. Knapp's prescribing compare with other Oregon prescribers?
Of the 38 medications with a state comparison, Dr. Knapp prescribes 4 more often than the typical Oregon prescriber, 8 about as often and 26 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Knapp 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 Oregon 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.
