DR. BENJAMIN MICHAEL HEYMAN M.D.
Prescription History 1982995809
Internal Medicine - Hematology in Irvine, CA
What does Dr. Heyman prescribe?
In 2024, Dr. Heyman wrote 1,179 Medicare prescriptions for 29 medications. The most prescribed was Acyclovir, with 237 prescriptions for 46 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. Heyman prescribes.
Medications 29 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
Acyclovir is used to treat infections caused by certain types of viruses.
Compared with California prescribers
Dr. Heyman wrote 237 prescriptions for Acyclovir, about 9.4 times as often as the typical California prescriber of it (25). Medicare paid $9.74 per fill, versus $18.27 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
Lenalidomide is used to treat various types of cancers.
Compared with California prescribers
Dr. Heyman wrote 90 prescriptions for Revlimid, about 2.9 times as often as the typical California prescriber of it (31). Medicare paid $19,665.05 per fill, versus $17,406.67 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. Heyman wrote 69 prescriptions for Gabapentin, about 86% as often as the typical California prescriber of it (80). Medicare paid $14.22 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
Prednisone is used to treat conditions such as arthritis, blood disorders, breathing problems, severe allergies, skin diseases, cancer, eye problems, and immune system disorders.
Compared with California prescribers
Dr. Heyman wrote 63 prescriptions for Prednisone, about 1.6 times as often as the typical California prescriber of it (40). Medicare paid $2.83 per fill, versus $5.64 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
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 California prescribers
Dr. Heyman wrote 62 prescriptions for Eliquis, about 85% as often as the typical California prescriber of it (73). Medicare paid $708.67 per fill, versus $923.33 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. Heyman wrote 54 prescriptions for Omeprazole, about 69% as often as the typical California prescriber of it (78). Medicare paid $10.33 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
This medication is used to treat certain cancers (mantle cell lymphoma, marginal zone lymphoma, Waldenstrom's macroglobulinemia, chronic lymphocytic leukemia, small lymphocytic lymphoma, follicular lymphoma).
Compared with California prescribers
Dr. Heyman wrote 50 prescriptions for Brukinsa, about 1.7 times as often as the typical California prescriber of it (30). Medicare paid $13,165.22 per fill, versus $12,543.75 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 a combination of two antibiotics: sulfamethoxazole and trimethoprim.
Compared with California prescribers
Dr. Heyman wrote 44 prescriptions for Sulfamethoxazole-Trimethoprim, about 1.7 times as often as the typical California prescriber of it (25). Medicare paid $2.03 per fill, versus $4.62 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
This medication is used to treat certain types of cancer (such as mantle cell lymphoma, small lymphocytic lymphoma - SLL, chronic lymphocytic leukemia - CLL).
Compared with California prescribers
Dr. Heyman wrote 43 prescriptions for Calquence, about 1.9 times as often as the typical California prescriber of it (22). Medicare paid $14,195.36 per fill, versus $13,810.38 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
See also Warning section.
Compared with California prescribers
Dr. Heyman wrote 41 prescriptions for Entecavir, about 1.3 times as often as the typical California prescriber of it (31). Medicare paid $311.30 per fill, versus $171.02 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
This medication is used alone or with other medications to prevent nausea and vomiting caused by cancer drug treatment (chemotherapy) and radiation therapy.
Compared with California prescribers
Dr. Heyman wrote 39 prescriptions for Ondansetron Hcl, about 1.4 times as often as the typical California prescriber of it (28). Medicare paid $10.92 per fill, versus $14.67 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 severe nausea and vomiting from certain causes (for example, after surgery or cancer treatment).
Compared with California prescribers
Dr. Heyman wrote 36 prescriptions for Prochlorperazine Maleate, about 1.2 times as often as the typical California prescriber of it (29). Medicare paid $17.62 per fill, versus $13.81 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
Filgrastim is a man-made version of a certain natural substance made by your body.
Compared with California prescribers
Dr. Heyman wrote 36 prescriptions for Zarxio, about 1.2 times as often as the typical California prescriber of it (29). Medicare paid $2,143.88 per fill, versus $1,517.01 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 by people with sickle cell anemia to reduce the number of painful crises caused by the disease and to reduce the need for blood transfusions.
Compared with California prescribers
Dr. Heyman wrote 34 prescriptions for Hydroxyurea, about as often as the typical California prescriber of it (35). Medicare paid $19.72 per fill, versus $28.53 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 a mineral supplement used to treat or prevent low amounts of potassium in the blood.
Compared with California prescribers
Dr. Heyman wrote 24 prescriptions for Potassium Chloride, about half as often as the typical California prescriber of it (48). Medicare paid $16.91 per fill, versus $24.00 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 depression.
Compared with California prescribers
Dr. Heyman wrote 24 prescriptions for Trazodone Hcl, about half as often as the typical California prescriber of it (57). Medicare paid $2.95 per fill, versus $9.93 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
Allopurinol is used to treat gout and certain types of kidney stones.
Compared with California prescribers
Dr. Heyman wrote 22 prescriptions for Allopurinol, about half as often as the typical California prescriber of it (44). Medicare paid $3.92 per fill, versus $10.39 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 certain types of cancer (such as acute lymphoblastic leukemia, chronic myeloid leukemia, gastrointestinal stromal tumors, and myelodysplastic/myeloproliferative diseases).
Compared with California prescribers
Dr. Heyman wrote 22 prescriptions for Imatinib Mesylate, about as often as the typical California prescriber of it (22). Medicare paid $1,227.23 per fill, versus $905.12 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
This medication is used to treat certain bone marrow disorders (myelofibrosis, polycythemia vera).
Compared with California prescribers
Dr. Heyman wrote 22 prescriptions for Jakafi, about 78% as often as the typical California prescriber of it (28). Medicare paid $16,490.25 per fill, versus $15,437.07 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 alone or with other medications to prevent nausea and vomiting caused by cancer drug treatment (chemotherapy) and radiation therapy.
Compared with California prescribers
Dr. Heyman wrote 21 prescriptions for Ondansetron Odt, about 85% as often as the typical California prescriber of it (25). Medicare paid $34.93 per fill, versus $13.40 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
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. Heyman wrote 20 prescriptions for Famotidine, about 37% as often as the typical California prescriber of it (54). Medicare paid $6.23 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
Dexamethasone is used to treat conditions such as arthritis, blood/hormone disorders, allergic reactions, skin diseases, eye problems, breathing problems, bowel disorders, cancer, and immune system disorders.
Compared with California prescribers
Dr. Heyman wrote 19 prescriptions for Dexamethasone, about half as often as the typical California prescriber of it (35). Medicare paid $36.00 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
This medication contains 2 amide-type local anesthetics, lidocaine and prilocaine.
Compared with California prescribers
Dr. Heyman wrote 19 prescriptions for Lidocaine-Prilocaine, about 77% as often as the typical California prescriber of it (25). Medicare paid $14.41 per fill, versus $20.14 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. Heyman wrote 17 prescriptions for Cholestyramine, about 86% as often as the typical California prescriber of it (20). Medicare paid $41.50 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 certain types of cancer (chronic lymphocytic leukemia-CLL, small lymphocytic lymphoma-SLL, acute myeloid leukemia-AML).
Compared with California prescribers
Dr. Heyman wrote 17 prescriptions for Venclexta, about 76% as often as the typical California prescriber of it (23). Medicare paid $17,824.19 per fill, versus $8,838.98 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
Lenalidomide is used to treat various types of cancers.
Compared with California prescribers
Dr. Heyman wrote 16 prescriptions for Lenalidomide, about 41% as often as the typical California prescriber of it (39). Medicare paid $16,214.11 per fill, versus $12,547.26 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
Levofloxacin is used to treat a variety of bacterial infections.
Compared with California prescribers
Dr. Heyman wrote 14 prescriptions for Levofloxacin, about half as often as the typical California prescriber of it (27). Medicare paid $3.29 per fill, versus $5.11 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. Heyman wrote 13 prescriptions for Albuterol Sulfate Hfa, about 22% as often as the typical California prescriber of it (58). Medicare paid $35.04 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
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 California prescribers
Dr. Heyman wrote 11 prescriptions for Sertraline Hcl, about 24% as often as the typical California prescriber of it (46). Medicare paid $4.60 per fill, versus $9.59 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. Heyman’s prescriptions
What does Dr. Heyman prescribe most?
In 2024 Medicare Part D data, Dr. Heyman's most prescribed medications were Acyclovir (237), Revlimid (90) and Gabapentin (69).
How does Dr. Heyman's prescribing compare with other California prescribers?
Of the 29 medications with a state comparison, Dr. Heyman prescribes 8 more often than the typical California prescriber, 11 about as often and 10 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Heyman 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.
