Diedrich K. Holtkamp, MD
NPI 1225041825ActiveIndividual· Surgery, Vascular Surgery· Brooklyn, NY
Surgery, Vascular Surgery (MD) with Physician Affiliate Group of New York PC, practicing in Brooklyn, New York. 34 Medicare patients in 2024, $2,137 paid; nearly all of their 62 Part D prescriptions were generic (98%). Advanced Oxygen Therapy Inc. reported $4.13 in payments in 2024, mostly food and beverage. Lists South Brooklyn Health as a hospital affiliation.
Overview
| NPI | 1225041825 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 14, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Vascular Surgery Primary | 2086S0129X | 128889 | NY |
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 - General Surgery (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 34 |
|---|---|
| Services billed | 45 across 5 procedure codes |
| Paid by Medicare | $2,137 |
Part D prescriptions in 2024
| Prescriptions (claims) | 62 · 66 30-day fills |
|---|---|
| Total drug cost | $854.62 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 1972 |
|---|---|
| Medicare specialty | General Surgery |
| Secondary specialties | Vascular Surgery |
Medical group
- Physician Affiliate Group of New York PCNew York, NY · 1,225 clinicians
Hospital affiliation
- South Brooklyn HealthBrooklyn, NY
Industry payments (Open Payments)
- 2024$4.13 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Advanced Oxygen Therapy Inc. | $4.13 | 1 |
What the 2024 payments were for
- Food and Beverage$4.13 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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