MICHAEL JAMES POLYDEFKIS M.D.
Prescription History 1194768614
Psychiatry & Neurology - Neurology in Baltimore, MD
What does Dr. Polydefkis prescribe?
In 2024, Dr. Polydefkis wrote 272 Medicare prescriptions for 11 medications. The most prescribed was Gabapentin, with 47 prescriptions.
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. Polydefkis prescribes.
Medications 11 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 Maryland prescribers.
What it is used for
Gabapentin is used with other medications to prevent and control seizures.
Compared with Maryland prescribers
Dr. Polydefkis wrote 47 prescriptions for Gabapentin, about 67% as often as the typical Maryland prescriber of it (71). Medicare paid $33.08 per fill, versus $15.67 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 help relieve severe ongoing pain (such as due to cancer).
Compared with Maryland prescribers
Dr. Polydefkis wrote 41 prescriptions for Fentanyl, about 1.3 times as often as the typical Maryland prescriber of it (32). Medicare paid $225.20 per fill, versus $109.37 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
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 Maryland prescribers
Dr. Polydefkis wrote 34 prescriptions for Privigen, about 1.3 times as often as the typical Maryland prescriber of it (26). Medicare paid $8,400.76 per fill, versus $12,574.52 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 treat nerve problems due to a certain inherited condition (transthyretin-mediated amyloidosis).
Compared with Maryland prescribers
Fewer than five Maryland prescribers wrote this medication, so there is no state comparison.
What it is used for
This medication is used to treat depression.
Compared with Maryland prescribers
Dr. Polydefkis wrote 31 prescriptions for Nortriptyline Hcl, about 1.5 times as often as the typical Maryland prescriber of it (21). Medicare paid $4.56 per fill, versus $15.58 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 Maryland prescribers
Dr. Polydefkis wrote 17 prescriptions for Tramadol Hcl, about 37% as often as the typical Maryland prescriber of it (46). Medicare paid $21.79 per fill, versus $7.26 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 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 Maryland prescribers
Dr. Polydefkis wrote 16 prescriptions for Gamunex-C, about 64% as often as the typical Maryland prescriber of it (25). Medicare paid $8,837.21 per fill, versus $9,857.56 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 Maryland prescribers
Dr. Polydefkis wrote 15 prescriptions for Duloxetine Hcl, about 38% as often as the typical Maryland prescriber of it (40). Medicare paid $17.39 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
Diflunisal is used to relieve mild to moderate pain from various conditions.
Compared with Maryland prescribers
Fewer than five Maryland prescribers wrote this medication, so there is no state comparison.
What it is used for
This medication 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 Maryland prescribers
Fewer than five Maryland prescribers wrote this medication, so there is no state comparison.
What it is used for
See also Warning section.
Compared with Maryland prescribers
Dr. Polydefkis wrote 12 prescriptions for Tramadol Hcl Er, about half as often as the typical Maryland prescriber of it (27). Medicare paid $73.65 per fill, versus $64.21 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. Polydefkis’s prescriptions
What does Dr. Polydefkis prescribe most?
In 2024 Medicare Part D data, Dr. Polydefkis's most prescribed medications were Gabapentin (47), Fentanyl (41) and Privigen (34).
How does Dr. Polydefkis's prescribing compare with other Maryland prescribers?
Of the 8 medications with a state comparison, Dr. Polydefkis prescribes 3 more often than the typical Maryland prescriber and 5 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Polydefkis 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 Maryland 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.
