CHRISTINA MARIE CHARLES-SCHOEMAN MD
Prescription History 1467486993
Internal Medicine - Rheumatology in Los Angeles, CA
What does Dr. Charles-Schoeman prescribe?
In 2024, Dr. Charles-Schoeman wrote 887 Medicare prescriptions for 21 medications. The most prescribed was Prednisone, with 135 prescriptions for 35 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. Charles-Schoeman prescribes.
Medications 21 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
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. Charles-Schoeman wrote 135 prescriptions for Prednisone, about 3.4 times as often as the typical California prescriber of it (40). Medicare paid $7.89 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
This medication is used to strengthen the body's natural defense system (immune system) to lower the risk of infection in persons with a weakened immune system.
Compared with California prescribers
Dr. Charles-Schoeman wrote 90 prescriptions for Octagam, about 3 times as often as the typical California prescriber of it (30). Medicare paid $11,189.10 per fill, versus $13,341.64 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
This medication is used in people with a certain type of weakened immune system (primary immune deficiency) to strengthen it and to lower the risk of infection.
Compared with California prescribers
Dr. Charles-Schoeman wrote 76 prescriptions for Gammaked, about 2.3 times as often as the typical California prescriber of it (33). Medicare paid $8,854.08 per fill, versus $12,269.65 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
This medication is used in people with a certain type of weakened immune system (primary immune deficiency) to strengthen it and to lower the risk of infection.
Compared with California prescribers
Dr. Charles-Schoeman wrote 66 prescriptions for Gamunex-C, about 2.4 times as often as the typical California prescriber of it (28). Medicare paid $7,294.60 per fill, versus $8,687.34 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 solution is used to supply water and salt (sodium chloride) to the body.
Compared with California prescribers
Dr. Charles-Schoeman wrote 66 prescriptions for Sodium Chloride, about 2 times as often as the typical California prescriber of it (33). Medicare paid $16.57 per fill, versus $26.73 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
Mycophenolate is used in combination with other medications to keep your body from attacking and rejecting your transplanted organ (such as kidney, liver, heart).
Compared with California prescribers
Dr. Charles-Schoeman wrote 63 prescriptions for Mycophenolate Mofetil, about 2.2 times as often as the typical California prescriber of it (29). Medicare paid $296.41 per fill, versus $132.62 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
Methotrexate is used to treat certain types of cancer (such as acute lymphoblastic leukemia, non-Hodgkin's lymphoma), severe psoriasis that has not responded to other treatments, or rheumatoid arthritis.
Compared with California prescribers
Dr. Charles-Schoeman wrote 54 prescriptions for Methotrexate, about half as often as the typical California prescriber of it (95). Medicare paid $36.15 per fill, versus $24.82 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 in people with a certain type of weakened immune system (primary immune deficiency) to strengthen it and to lower the risk of infection.
Compared with California prescribers
Dr. Charles-Schoeman wrote 52 prescriptions for Gammagard Liquid, about 1.6 times as often as the typical California prescriber of it (33). Medicare paid $3,748.09 per fill, versus $11,212.93 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
Hydroxychloroquine is used to prevent or treat malaria caused by mosquito bites.
Compared with California prescribers
Dr. Charles-Schoeman wrote 45 prescriptions for Hydroxychloroquine Sulfate, about half as often as the typical California prescriber of it (93). Medicare paid $36.16 per fill, versus $38.65 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
This medication is a combination of two antibiotics: sulfamethoxazole and trimethoprim.
Compared with California prescribers
Dr. Charles-Schoeman wrote 42 prescriptions for Sulfamethoxazole-Trimethoprim, about 1.7 times as often as the typical California prescriber of it (25). Medicare paid $3.88 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
Diphenhydramine injection is an antihistamine used to treat life-threatening allergic reactions (anaphylaxis) along with epinephrine and other treatments.
Compared with California prescribers
Dr. Charles-Schoeman wrote 26 prescriptions for Diphenhydramine Hcl, about as often as the typical California prescriber of it (29). Medicare paid $5.83 per fill, versus $20.23 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
This medication is used alone or in combination with an immunosuppressant (such as methotrexate) to treat certain types of arthritis (such as rheumatoid, psoriatic, juvenile idiopathic, and ankylosing spondylitis).
Compared with California prescribers
Dr. Charles-Schoeman wrote 25 prescriptions for Enbrel, about as often as the typical California prescriber of it (26). Medicare paid $12,333.22 per fill, versus $6,508.84 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 strengthen the body's natural defense system (immune system) to lower the risk of infection in persons with a weakened immune system.
Compared with California prescribers
Dr. Charles-Schoeman wrote 23 prescriptions for Gammaplex, about 84% as often as the typical California prescriber of it (27). Medicare paid $5,439.40 per fill, versus $14,130.77 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
This solution is used to supply water and salt (sodium chloride) to the body.
Compared with California prescribers
Dr. Charles-Schoeman wrote 23 prescriptions for Sodium Chloride, about 80% as often as the typical California prescriber of it (29). Medicare paid $10.25 per fill, versus $34.70 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
See also Warning section.
Compared with California prescribers
Dr. Charles-Schoeman wrote 21 prescriptions for Diclofenac Sodium, about half as often as the typical California prescriber of it (47). Medicare paid $76.60 per fill, versus $107.23 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
Azathioprine is used to prevent organ rejection in people who have received a kidney transplant.
Compared with California prescribers
Dr. Charles-Schoeman wrote 16 prescriptions for Azathioprine, about 65% as often as the typical California prescriber of it (25). Medicare paid $39.14 per fill, versus $47.82 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 strengthen the body's natural defense system (immune system) to lower the risk of infection in persons with a weakened immune system.
Compared with California prescribers
Dr. Charles-Schoeman wrote 14 prescriptions for Privigen, about half as often as the typical California prescriber of it (31). Medicare paid $27,607.48 per fill, versus $13,244.39 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 boost the body's natural defense system against infection in persons with a weakened immune system (primary immune deficiency).
Compared with California prescribers
Dr. Charles-Schoeman wrote 13 prescriptions for Hizentra, about half as often as the typical California prescriber of it (23). Medicare paid $17,589.62 per fill, versus $8,909.48 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 rheumatoid arthritis, a condition in which the body's own defense system (immune system) attacks healthy tissue.
Compared with California prescribers
Dr. Charles-Schoeman wrote 13 prescriptions for Orencia, about 63% as often as the typical California prescriber of it (21). Medicare paid $5,581.36 per fill, versus $5,439.44 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
Tofacitinib is used to treat certain types of arthritis (such as psoriatic arthritis, rheumatoid arthritis, ankylosing spondylitis, polyarticular course juvenile idiopathic arthritis-pcJIA).
Compared with California prescribers
Dr. Charles-Schoeman wrote 13 prescriptions for Xeljanz, about half as often as the typical California prescriber of it (28). Medicare paid $5,512.95 per fill, versus $4,179.60 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 rheumatoid arthritis, a condition in which the body's defense system (immune system) fails to recognize the body as itself and attacks the healthy tissues around the joints.
Compared with California prescribers
Dr. Charles-Schoeman wrote 11 prescriptions for Leflunomide, about 18% as often as the typical California prescriber of it (60). Medicare paid $104.13 per fill, versus $59.66 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. Charles-Schoeman’s prescriptions
What does Dr. Charles-Schoeman prescribe most?
In 2024 Medicare Part D data, Dr. Charles-Schoeman's most prescribed medications were Prednisone (135), Octagam (90) and Gammaked (76).
How does Dr. Charles-Schoeman's prescribing compare with other California prescribers?
Of the 21 medications with a state comparison, Dr. Charles-Schoeman prescribes 8 more often than the typical California prescriber, 4 about as often and 9 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Charles-Schoeman 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.
