JAMES L PARKER MD
Prescription History 1649263161
Family Medicine in Federal Way, WA
What does Dr. Parker prescribe?
In 2024, Dr. Parker wrote 441 Medicare prescriptions for 20 medications. The most prescribed was Atorvastatin Calcium, with 55 prescriptions for 26 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. Parker prescribes.
Medications 20 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 Washington 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 Washington prescribers
Dr. Parker wrote 55 prescriptions for Atorvastatin Calcium, about 33% as often as the typical Washington prescriber of it (166). Medicare paid $10.98 per fill, versus $11.43 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
Losartan is used to treat high blood pressure (hypertension) and to help protect the kidneys from damage due to diabetes.
Compared with Washington prescribers
Dr. Parker wrote 44 prescriptions for Losartan Potassium, about half as often as the typical Washington prescriber of it (102). Medicare paid $9.54 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
Amlodipine is used with or without other medications to treat high blood pressure.
Compared with Washington prescribers
Dr. Parker wrote 36 prescriptions for Amlodipine Besylate, about 34% as often as the typical Washington prescriber of it (106). Medicare paid $6.07 per fill, versus $7.92 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 Washington prescribers
Dr. Parker wrote 34 prescriptions for Lisinopril, about 33% as often as the typical Washington prescriber of it (105). Medicare paid $5.95 per fill, versus $8.60 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
This medication is used to treat high blood pressure.
Compared with Washington prescribers
Dr. Parker wrote 32 prescriptions for Hydrochlorothiazide, about half as often as the typical Washington prescriber of it (57). Medicare paid $8.15 per fill, versus $5.34 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 Washington prescribers
Dr. Parker wrote 26 prescriptions for Metoprolol Succinate, about 29% as often as the typical Washington prescriber of it (91). Medicare paid $8.06 per fill, versus $14.75 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
Gabapentin is used with other medications to prevent and control seizures.
Compared with Washington prescribers
Dr. Parker wrote 23 prescriptions for Gabapentin, about 32% as often as the typical Washington prescriber of it (72). Medicare paid $10.74 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
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 Washington prescribers
Dr. Parker wrote 20 prescriptions for Rosuvastatin Calcium, about 25% as often as the typical Washington prescriber of it (81). Medicare paid $10.34 per fill, versus $14.43 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
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 Washington prescribers
Dr. Parker wrote 20 prescriptions for Xarelto, about half as often as the typical Washington prescriber of it (39). Medicare paid $719.70 per fill, versus $1,017.77 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
Linagliptin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with Washington prescribers
Dr. Parker wrote 16 prescriptions for Tradjenta, about 74% as often as the typical Washington prescriber of it (22). Medicare paid $646.61 per fill, versus $739.76 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
Allopurinol is used to treat gout and certain types of kidney stones.
Compared with Washington prescribers
Dr. Parker wrote 15 prescriptions for Allopurinol, about 38% as often as the typical Washington prescriber of it (39). Medicare paid $10.32 per fill, versus $11.44 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 Washington prescribers
Dr. Parker wrote 15 prescriptions for Ibuprofen, about half as often as the typical Washington prescriber of it (27). Medicare paid $14.36 per fill, versus $9.00 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
Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with Washington prescribers
Dr. Parker wrote 15 prescriptions for Metformin Hcl, about 24% as often as the typical Washington prescriber of it (63). Medicare paid $8.18 per fill, versus $9.63 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
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 Washington prescribers
Dr. Parker wrote 14 prescriptions for Albuterol Sulfate Hfa, about 27% as often as the typical Washington prescriber of it (51). Medicare paid $19.83 per fill, versus $29.37 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 Washington prescribers
Dr. Parker wrote 14 prescriptions for Furosemide, about 24% as often as the typical Washington prescriber of it (59). Medicare paid $6.16 per fill, versus $6.29 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
This medication is used to treat anxiety.
Compared with Washington prescribers
Dr. Parker wrote 14 prescriptions for Lorazepam, about half as often as the typical Washington prescriber of it (33). Medicare paid $7.74 per fill, versus $7.19 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 Washington prescribers
Dr. Parker wrote 12 prescriptions for Jardiance, about 27% as often as the typical Washington prescriber of it (44). Medicare paid $914.71 per fill, versus $1,041.39 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
Levothyroxine is used to treat an underactive thyroid (hypothyroidism).
Compared with Washington prescribers
Dr. Parker wrote 12 prescriptions for Levothyroxine Sodium, about 10% as often as the typical Washington prescriber of it (116). Medicare paid $9.85 per fill, versus $11.18 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
Omeprazole is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers).
Compared with Washington prescribers
Dr. Parker wrote 12 prescriptions for Omeprazole, about 15% as often as the typical Washington prescriber of it (78). Medicare paid $6.51 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
This medication is used to treat depression.
Compared with Washington prescribers
Dr. Parker wrote 12 prescriptions for Trazodone Hcl, about 20% as often as the typical Washington prescriber of it (61). Medicare paid $5.16 per fill, versus $10.78 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. Parker’s prescriptions
What does Dr. Parker prescribe most?
In 2024 Medicare Part D data, Dr. Parker's most prescribed medications were Atorvastatin Calcium (55), Losartan Potassium (44) and Amlodipine Besylate (36).
How does Dr. Parker's prescribing compare with other Washington prescribers?
Of the 20 medications with a state comparison, Dr. Parker prescribes 20 less often than the typical Washington prescriber. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Parker 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 Washington 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.
