Vignesh Narayanan, M.D
NPI 1073632675ActiveIndividual· Internal Medicine, Hematology & Oncology· Denver, CO
Internal Medicine, Hematology & Oncology (M.D) with Poudre Valley Medical Group LLC, practicing in Denver, Colorado. Their prescriptions cost Medicare Part D more than their services did: $967,358 for 419 claims, against $43,112 paid for services in 2024. Genzyme Corporation reported $146.23 in payments in 2025, mostly food and beverage. Lists Uch-Memorial Health System and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1073632675 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | No |
| NPI issued | Mar 28, 2007 |
| Last updated in NPPES | May 4, 2023 |
| Certified by provider | May 4, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 0045677 | CO |
| Internal Medicine | 207R00000X | 45677 | CO |
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 - Hematology/Oncology (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 166 |
|---|---|
| Services billed | 413 across 17 procedure codes |
| Paid by Medicare | $43,112 |
Part D prescriptions in 2024
| Prescriptions (claims) | 419 · 711 30-day fills |
|---|---|
| Patients | 99 |
| Total drug cost | $967,358 |
| Generic share | 77% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Poudre Valley Medical Group LLCDenver, CO · 2,440 clinicians
Hospital affiliations
- Uch-Memorial Health SystemColorado Springs, CO
- Uchealth Broomfield HospitalBroomfield, CO
- Uchealth Highlands Ranch HospitalHighlands Ranch, CO
- University of Colorado Hospital AuthorityAurora, CO
Industry payments (Open Payments)
- 2025$146.23 · 1 payment from 1 company
- 2024$256.87 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $146.23 | 1 |
What the 2025 payments were for
- Food and Beverage$146.23 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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