HARRY BERJ MATOSSIAN M.D.
Prescription History 1316945702
Internal Medicine - Gastroenterology in Ukiah, CA
What does Dr. Matossian prescribe?
In 2024, Dr. Matossian wrote 188 Medicare prescriptions for 8 medications. The most prescribed was Famotidine, with 45 prescriptions for 16 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. Matossian prescribes.
Medications 8 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
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 California prescribers
Dr. Matossian wrote 45 prescriptions for Famotidine, about 83% as often as the typical California prescriber of it (54). Medicare paid $8.04 per fill, versus $12.66 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
Sodium/potassium/magnesium sulfate solution is used to clean out the intestines before a certain bowel exam procedure (colonoscopy).
Compared with California prescribers
Dr. Matossian wrote 32 prescriptions for Sod Sulf-Potass Sulf-Mag Sulf, about 31% as often as the typical California prescriber of it (102). Medicare paid $60.41 per fill, versus $62.73 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
Pantoprazole is used to treat certain stomach and esophagus problems (such as acid reflux).
Compared with California prescribers
Dr. Matossian wrote 29 prescriptions for Pantoprazole Sodium, about half as often as the typical California prescriber of it (65). Medicare paid $6.03 per fill, versus $13.87 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
Omeprazole is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers).
Compared with California prescribers
Dr. Matossian wrote 25 prescriptions for Omeprazole, about 32% as often as the typical California prescriber of it (78). Medicare paid $7.01 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
PEG (polyethylene glycol) with electrolyte is used to clean out the intestines before certain bowel exam procedures such as colonoscopy or barium enema X-rays.
Compared with California prescribers
Dr. Matossian wrote 17 prescriptions for Peg-3350 And Electrolytes, about 42% as often as the typical California prescriber of it (41). Medicare paid $14.25 per fill, versus $16.03 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
Cholestyramine is used along with a proper diet to lower cholesterol in the blood.
Compared with California prescribers
Dr. Matossian wrote 16 prescriptions for Cholestyramine, about 81% as often as the typical California prescriber of it (20). Medicare paid $50.85 per fill, versus $72.34 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 used to treat and prevent ulcers in the intestines.
Compared with California prescribers
Dr. Matossian wrote 13 prescriptions for Sucralfate, about half as often as the typical California prescriber of it (27). Medicare paid $27.65 per fill, versus $58.68 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
PEG (polyethylene glycol) with electrolyte is used to clean out the intestines before certain bowel exam procedures such as colonoscopy or barium enema X-rays.
Compared with California prescribers
Dr. Matossian wrote 11 prescriptions for Gavilyte-G, about 16% as often as the typical California prescriber of it (68). Medicare paid $16.67 per fill, versus $15.40 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. Matossian’s prescriptions
What does Dr. Matossian prescribe most?
In 2024 Medicare Part D data, Dr. Matossian's most prescribed medications were Famotidine (45), Sod Sulf-Potass Sulf-Mag Sulf (32) and Pantoprazole Sodium (29).
How does Dr. Matossian's prescribing compare with other California prescribers?
Of the 8 medications with a state comparison, Dr. Matossian prescribes 2 about as often than the typical California prescriber and 6 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Matossian 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.
