Noi Walkenstein, DO
NPI 1003852013ActiveIndividual· Internal Medicine· Philadelphia, PA
Internal Medicine (DO) in Philadelphia, Pennsylvania, trained at Philadelphia College of Osteopathic Medicine (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $45,909 for 545 claims, against $19,701 paid for services in 2024. Teva Pharmaceuticals USA, Inc. was the largest of 11 companies reporting payments in 2025, $525.77 in all, mostly food and beverage.
Overview
| NPI | 1003852013 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jun 20, 2006 |
| Last updated in NPPES | Jul 9, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | OS007932L | PA |
| Emergency Medicine | 207P00000X | OS007932L | PA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 155 |
|---|---|
| Services billed | 259 across 30 procedure codes |
| Paid by Medicare | $19,701 |
Part D prescriptions in 2024
| Prescriptions (claims) | 545 · 991 30-day fills |
|---|---|
| Patients | 253 |
| Total drug cost | $45,909 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Philadelphia College of Osteopathic Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Internal Medicine |
Medical groups
- Suburban Medical Group LLCPhiladelphia, PA · 30 clinicians
- Mydoc Urgent CarePhiladelphia, PA · 6 clinicians
Hospital affiliation
- Roxborough Memorial HospitalPhiladelphia, PA
Industry payments (Open Payments)
- 2025$525.77 · 23 payments from 11 companies
- 2024$136.54 · 7 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Teva Pharmaceuticals USA, Inc. | $105.48 | 2 |
| Abbvie Inc. | $96.13 | 5 |
| Astellas Pharma US Inc | $93.88 | 4 |
| Novo Nordisk Inc | $69.81 | 3 |
| Lilly USA, LLC | $34.63 | 2 |
What the 2025 payments were for
- Food and Beverage$434.52 · 22 payments
- Education$91.25 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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