MARGARETTE JEANNETTE SHEGOG MD
Prescription History 1508202821
Family Medicine in San Jose, CA
What does Dr. Shegog prescribe?
In 2024, Dr. Shegog wrote 371 Medicare prescriptions for 19 medications. The most prescribed was Amlodipine Besylate, with 37 prescriptions for 17 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. Shegog prescribes.
Medications 19 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 California prescribers.
What it is used for
Amlodipine is used with or without other medications to treat high blood pressure.
Compared with California prescribers
Dr. Shegog wrote 37 prescriptions for Amlodipine Besylate, about 26% as often as the typical California prescriber of it (141). Medicare paid $3.48 per fill, versus $7.08 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
Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with California prescribers
Dr. Shegog wrote 34 prescriptions for Metformin Hcl, about 34% as often as the typical California prescriber of it (100). Medicare paid $5.11 per fill, versus $9.26 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
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 California prescribers
Dr. Shegog wrote 32 prescriptions for Atorvastatin Calcium, about 16% as often as the typical California prescriber of it (202). Medicare paid $5.82 per fill, versus $10.47 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 California prescribers
Dr. Shegog wrote 32 prescriptions for Lisinopril, about 33% as often as the typical California prescriber of it (98). Medicare paid $4.10 per fill, versus $8.30 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
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 California prescribers
Dr. Shegog wrote 23 prescriptions for Fluticasone Propionate, about half as often as the typical California prescriber of it (50). Medicare paid $7.43 per fill, versus $15.10 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
Losartan is used to treat high blood pressure (hypertension) and to help protect the kidneys from damage due to diabetes.
Compared with California prescribers
Dr. Shegog wrote 23 prescriptions for Losartan Potassium, about 19% as often as the typical California prescriber of it (121). Medicare paid $5.29 per fill, versus $10.35 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 pain caused by nerve damage due to diabetes, shingles (herpes zoster) infection, or spinal cord injury.
Compared with California prescribers
Dr. Shegog wrote 23 prescriptions for Pregabalin, about half as often as the typical California prescriber of it (39). Medicare paid $22.25 per fill, versus $24.98 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, anxiety).
Compared with California prescribers
Dr. Shegog wrote 21 prescriptions for Duloxetine Hcl, about half as often as the typical California prescriber of it (40). Medicare paid $34.16 per fill, versus $24.72 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
Levothyroxine is used to treat an underactive thyroid (hypothyroidism).
Compared with California prescribers
Dr. Shegog wrote 19 prescriptions for Levothyroxine Sodium, about 15% as often as the typical California prescriber of it (125). Medicare paid $23.51 per fill, versus $13.30 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
Ibuprofen is used to relieve pain from various conditions such as headache, dental pain, menstrual cramps, muscle aches, or arthritis.
Compared with California prescribers
Dr. Shegog wrote 15 prescriptions for Ibuprofen, about 36% as often as the typical California prescriber of it (42). Medicare paid $4.49 per fill, versus $6.71 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
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 California prescribers
Dr. Shegog wrote 14 prescriptions for Rosuvastatin Calcium, about 14% as often as the typical California prescriber of it (101). Medicare paid $16.09 per fill, versus $15.64 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 California prescribers
Dr. Shegog wrote 13 prescriptions for Albuterol Sulfate Hfa, about 22% as often as the typical California prescriber of it (58). Medicare paid $21.65 per fill, versus $28.70 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
Gabapentin is used with other medications to prevent and control seizures.
Compared with California prescribers
Dr. Shegog wrote 13 prescriptions for Gabapentin, about 16% as often as the typical California prescriber of it (80). Medicare paid $23.56 per fill, versus $15.63 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
This medication is used to treat high blood pressure.
Compared with California prescribers
Dr. Shegog wrote 13 prescriptions for Hydrochlorothiazide, about 21% as often as the typical California prescriber of it (62). Medicare paid $2.77 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
Tamsulosin is used by men to treat the symptoms of an enlarged prostate (benign prostatic hyperplasia-BPH).
Compared with California prescribers
Dr. Shegog wrote 13 prescriptions for Tamsulosin Hcl, about 15% as often as the typical California prescriber of it (84). Medicare paid $7.74 per fill, versus $15.02 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
Levetiracetam is used to treat seizures (epilepsy).
Compared with California prescribers
Dr. Shegog wrote 12 prescriptions for Levetiracetam Er, about half as often as the typical California prescriber of it (26). Medicare paid $68.76 per fill, versus $83.13 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
Omeprazole is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers).
Compared with California prescribers
Dr. Shegog wrote 12 prescriptions for Omeprazole, about 15% as often as the typical California prescriber of it (78). Medicare paid $6.28 per fill, versus $11.26 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
Hydroxyzine is used to treat itching caused by allergies.
Compared with California prescribers
Dr. Shegog wrote 11 prescriptions for Hydroxyzine Hcl, about 39% as often as the typical California prescriber of it (28). Medicare paid $39.53 per fill, versus $13.85 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
Empagliflozin is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with California prescribers
Dr. Shegog wrote 11 prescriptions for Jardiance, about 19% as often as the typical California prescriber of it (58). Medicare paid $1,281.79 per fill, versus $933.82 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. Shegog’s prescriptions
What does Dr. Shegog prescribe most?
In 2024 Medicare Part D data, Dr. Shegog's most prescribed medications were Amlodipine Besylate (37), Metformin Hcl (34) and Atorvastatin Calcium (32).
How does Dr. Shegog's prescribing compare with other California prescribers?
Of the 19 medications with a state comparison, Dr. Shegog prescribes 19 less often than the typical California prescriber. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Shegog 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 California 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.
