MARK FREIJAT M.D
Prescription History 1124337621
Internal Medicine - Rheumatology in Scottsdale, AZ
What does Dr. Freijat prescribe?
In 2024, Dr. Freijat wrote 1,527 Medicare prescriptions for 31 medications. The most prescribed was Methotrexate (methotrexate sodium), with 324 prescriptions for 110 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. Freijat prescribes.
Medications 31 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 Arizona prescribers.
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 Arizona prescribers
Dr. Freijat wrote 324 prescriptions for Methotrexate, about 3 times as often as the typical Arizona prescriber of it (109). Medicare paid $26.44 per fill, versus $22.74 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 Arizona prescribers
Dr. Freijat wrote 308 prescriptions for Prednisone, about 6.9 times as often as the typical Arizona prescriber of it (45). Medicare paid $9.98 per fill, versus $3.99 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 Arizona prescribers
Dr. Freijat wrote 154 prescriptions for Hydroxychloroquine Sulfate, about 1.6 times as often as the typical Arizona prescriber of it (94). Medicare paid $48.78 per fill, versus $40.85 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
Folic acid is the man-made form of folate.
Compared with Arizona prescribers
Dr. Freijat wrote 79 prescriptions for Folic Acid, about 2.6 times as often as the typical Arizona prescriber of it (31). Medicare paid $9.49 per fill, versus $8.79 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 Arizona prescribers
Dr. Freijat wrote 72 prescriptions for Leflunomide, about 1.2 times as often as the typical Arizona prescriber of it (59). Medicare paid $72.64 per fill, versus $60.22 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 Arizona prescribers
Dr. Freijat wrote 58 prescriptions for Allopurinol, about 1.3 times as often as the typical Arizona prescriber of it (44). Medicare paid $10.47 per fill, versus $10.41 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
Methylprednisolone is used to treat conditions such as arthritis, blood disorders, severe allergic reactions, certain cancers, eye conditions, skin/kidney/intestinal/lung diseases, and immune system disorders.
Compared with Arizona prescribers
Dr. Freijat wrote 54 prescriptions for Methylprednisolone, about 1.5 times as often as the typical Arizona prescriber of it (35). Medicare paid $11.76 per fill, versus $7.52 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 prevent or treat gout attacks (flares).
Compared with Arizona prescribers
Dr. Freijat wrote 53 prescriptions for Colchicine, about 2.7 times as often as the typical Arizona prescriber of it (20). Medicare paid $53.25 per fill, versus $54.64 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
Alendronate is used to prevent and treat certain types of bone loss (osteoporosis) in adults.
Compared with Arizona prescribers
Dr. Freijat wrote 52 prescriptions for Alendronate Sodium, about as often as the typical Arizona prescriber of it (47). Medicare paid $8.58 per fill, versus $8.91 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
Meloxicam is used to treat arthritis.
Compared with Arizona prescribers
Dr. Freijat wrote 46 prescriptions for Meloxicam, about as often as the typical Arizona prescriber of it (42). Medicare paid $5.13 per fill, versus $4.37 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
See also Warning section.
Compared with Arizona prescribers
Dr. Freijat wrote 38 prescriptions for Tramadol Hcl, about 77% as often as the typical Arizona prescriber of it (49). Medicare paid $3.61 per fill, versus $7.86 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
Ibandronate is used to prevent and treat certain types of bone loss (osteoporosis).
Compared with Arizona prescribers
Dr. Freijat wrote 34 prescriptions for Ibandronate Sodium, about 1.2 times as often as the typical Arizona prescriber of it (29). Medicare paid $32.38 per fill, versus $33.26 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
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 Arizona prescribers
Dr. Freijat wrote 25 prescriptions for Mycophenolate Mofetil, about 87% as often as the typical Arizona prescriber of it (29). Medicare paid $180.55 per fill, versus $123.98 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 Arizona prescribers
Dr. Freijat wrote 16 prescriptions for Duloxetine Hcl, about 35% as often as the typical Arizona prescriber of it (45). Medicare paid $31.99 per fill, versus $26.66 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
This medication is used to treat symptoms of dry mouth due to a certain immune disease (Sjogren's syndrome) or from saliva gland damage due to radiation treatments of the head/neck for cancer.
Compared with Arizona prescribers
Dr. Freijat wrote 16 prescriptions for Pilocarpine Hcl, about 64% as often as the typical Arizona prescriber of it (25). Medicare paid $51.54 per fill, versus $68.52 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
Adalimumab is used to reduce pain and swelling due to certain types of arthritis (such as rheumatoid, psoriatic, juvenile idiopathic, ankylosing spondylitis).
Compared with Arizona prescribers
Dr. Freijat wrote 15 prescriptions for Humira(Cf), about 68% as often as the typical Arizona prescriber of it (22). Medicare paid $8,057.93 per fill, versus $8,547.45 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 Arizona prescribers
Dr. Freijat wrote 14 prescriptions for Enbrel Sureclick, about 34% as often as the typical Arizona prescriber of it (42). Medicare paid $13,661.56 per fill, versus $8,148.48 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
Adalimumab is used to reduce pain and swelling due to certain types of arthritis (such as rheumatoid, psoriatic, juvenile idiopathic, ankylosing spondylitis).
Compared with Arizona prescribers
Dr. Freijat wrote 13 prescriptions for Humira Pen, about 80% as often as the typical Arizona prescriber of it (16). Medicare paid $8,057.93 per fill, versus $8,847.12 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
Methotrexate is used to treat certain types of cancer, severe psoriasis, or rheumatoid arthritis.
Compared with Arizona prescribers
Dr. Freijat wrote 13 prescriptions for Methotrexate Sodium, about half as often as the typical Arizona prescriber of it (26). Medicare paid $16.66 per fill, versus $15.72 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
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 Arizona prescribers
Dr. Freijat wrote 13 prescriptions for Orencia, about 68% as often as the typical Arizona prescriber of it (19). Medicare paid $6,634.62 per fill, versus $4,900.50 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 help relieve moderate to severe pain.
Compared with Arizona prescribers
Dr. Freijat wrote 13 prescriptions for Oxycodone Hcl, about 18% as often as the typical Arizona prescriber of it (73). Medicare paid $28.10 per fill, versus $15.46 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 a variety of skin conditions (such as eczema, dermatitis, allergies, rash).
Compared with Arizona prescribers
Dr. Freijat wrote 13 prescriptions for Triamcinolone Acetonide, about 32% as often as the typical Arizona prescriber of it (40). Medicare paid $1.97 per fill, versus $9.97 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 Arizona prescribers
Dr. Freijat wrote 12 prescriptions for Azathioprine, about half as often as the typical Arizona prescriber of it (26). Medicare paid $49.63 per fill, versus $56.51 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 Arizona prescribers
Dr. Freijat wrote 12 prescriptions for Gabapentin, about 15% as often as the typical Arizona prescriber of it (83). Medicare paid $16.37 per fill, versus $17.96 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 Arizona prescribers
Dr. Freijat wrote 12 prescriptions for Gammaked, about half as often as the typical Arizona prescriber of it (28). Medicare paid $19,449.62 per fill, versus $14,546.12 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 combination medication is used to relieve moderate to severe pain.
Compared with Arizona prescribers
Dr. Freijat wrote 12 prescriptions for Hydrocodone-Acetaminophen, about 17% as often as the typical Arizona prescriber of it (69). Medicare paid $24.14 per fill, versus $21.26 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
Sulfasalazine is used to treat a certain type of bowel disease called ulcerative colitis.
Compared with Arizona prescribers
Dr. Freijat wrote 12 prescriptions for Sulfasalazine, about 36% as often as the typical Arizona prescriber of it (34). Medicare paid $25.92 per fill, versus $28.92 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
See also Warning section.
Compared with Arizona prescribers
Dr. Freijat wrote 11 prescriptions for Diclofenac Sodium, about 33% as often as the typical Arizona prescriber of it (33). Medicare paid $22.92 per fill, versus $22.73 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
Adalimumab is used to reduce pain and swelling due to certain types of arthritis (such as rheumatoid, psoriatic, juvenile idiopathic, ankylosing spondylitis).
Compared with Arizona prescribers
Dr. Freijat wrote 11 prescriptions for Humira(Cf) Pen, about 32% as often as the typical Arizona prescriber of it (34). Medicare paid $8,263.03 per fill, versus $8,851.30 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
This medication is a combination of two antibiotics: sulfamethoxazole and trimethoprim.
Compared with Arizona prescribers
Dr. Freijat wrote 11 prescriptions for Sulfamethoxazole-Trimethoprim, about half as often as the typical Arizona prescriber of it (26). Medicare paid $11.25 per fill, versus $5.69 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 plaque psoriasis and certain types of arthritis (psoriatic arthritis, ankylosing spondylitis, axial spondyloarthritis).
Compared with Arizona prescribers
Dr. Freijat wrote 11 prescriptions for Taltz Autoinjector, about 74% as often as the typical Arizona prescriber of it (15). Medicare paid $6,731.62 per fill, versus $7,682.04 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. Freijat’s prescriptions
What does Dr. Freijat prescribe most?
In 2024 Medicare Part D data, Dr. Freijat's most prescribed medications were Methotrexate (324), Prednisone (308) and Hydroxychloroquine Sulfate (154).
How does Dr. Freijat's prescribing compare with other Arizona prescribers?
Of the 31 medications with a state comparison, Dr. Freijat prescribes 7 more often than the typical Arizona prescriber, 7 about as often and 17 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Freijat 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 Arizona 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.
