Vivek K. Narayan, MD
NPI 1346568011ActiveIndividual· Internal Medicine, Medical Oncology· Philadelphia, PA
Internal Medicine, Medical Oncology (MD) in Philadelphia, Pennsylvania, trained at University of Virginia School of Medicine (class of 2010). Their prescriptions cost Medicare Part D more than their services did: $4,189,215 for 456 claims, against $54,919 paid for services in 2024. Sumitomo Pharma America, Inc. was the largest of 8 companies reporting payments in 2025, $24,373 in all, mostly consulting fees.
Overview
| NPI | 1346568011 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 5, 2010 |
| Last updated in NPPES | Sep 20, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | MD447525 | PA |
| Internal Medicine | 207R00000X | MT197340 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Medical Oncology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 249 |
|---|---|
| Services billed | 1,003 across 11 procedure codes |
| Paid by Medicare | $54,919 |
Part D prescriptions in 2024
| Prescriptions (claims) | 456 · 531 30-day fills |
|---|---|
| Patients | 110 |
| Total drug cost | $4,189,215 |
| Generic share | 44% of claims |
Education and affiliations
| Medical school | University of Virginia School of Medicine |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Medical Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- University of Penn - Medical GroupPhiladelphia, PA · 3,505 clinicians
Hospital affiliations
- Chester County HospitalWest Chester, PA
- Hospital of Univ of PennsylvaniaPhiladelphia, PA
- Lancaster General HospitalLancaster, PA
- Penn Presbyterian Medical CenterPhiladelphia, PA
- Pennsylvania HospitalPhiladelphia, PA
Other facilities
- Penn Medicine Home HealthHome health agency · Bala Cynwyd, PA
Industry payments (Open Payments)
- 2025$24,373 · 22 payments from 8 companies
- 2024$20,608 · 20 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sumitomo Pharma America, Inc. | $6,975 | 3 |
| Pfizer Inc. | $6,640 | 4 |
| Exelixis Inc. | $3,531 | 8 |
| Bayer Healthcare Pharmaceuticals Inc. | $3,456 | 1 |
| Astellas Pharma Global Development | $2,100 | 1 |
What the 2025 payments were for
- Consulting Fee$19,161 · 9 payments
- Honoraria$2,310 · 1 payment
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$1,500 · 1 payment
- Food and Beverage$742.23 · 7 payments
- Travel and Lodging$655.96 · 3 payments
- Education$3.78 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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