Clyde E. Markowitz, MD
NPI 1417981135ActiveIndividual· Psychiatry & Neurology, Neurology· Philadelphia, PA
Psychiatry & Neurology, Neurology (MD) in Philadelphia, Pennsylvania, trained at Columbia University College of Physicians and Surgeons (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $4,900,782 for 1,227 claims, against $32,641 paid for services in 2024. Genentech USA, Inc. was the largest of 8 companies reporting payments in 2025, $33,839 in all, mostly consulting fees.
Overview
| NPI | 1417981135 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 10, 2006 |
| Last updated in NPPES | Aug 6, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | MD066765L | PA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Neurology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 248 |
|---|---|
| Services billed | 622 across 9 procedure codes |
| Paid by Medicare | $32,641 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,227 · 1,822 30-day fills |
|---|---|
| Patients | 156 |
| Total drug cost | $4,900,782 |
| Generic share | 55% of claims |
Education and affiliations
| Medical school | Columbia University College of Physicians and Surgeons |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Neurology |
Medical group
- University of Penn - Medical GroupPhiladelphia, PA · 3,505 clinicians
Hospital affiliations
- Hospital of Univ of PennsylvaniaPhiladelphia, PA
- Penn Presbyterian Medical CenterPhiladelphia, PA
- Pennsylvania HospitalPhiladelphia, PA
Industry payments (Open Payments)
- 2025$33,839 · 52 payments from 8 companies
- 2024$31,791 · 61 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genentech USA, Inc. | $22,812 | 22 |
| Novartis Pharmaceuticals Corporation | $6,828 | 5 |
| Tg Therapeutics, Inc. | $2,653 | 9 |
| Emd Serono, Inc. | $1,095 | 10 |
| Amgen Inc. | $152.45 | 2 |
What the 2025 payments were for
- Consulting Fee$26,848 · 5 payments
- Food and Beverage$3,611 · 38 payments
- Travel and Lodging$3,380 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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