Rodolfo Guzman, M.D.
NPI 1205867835ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Bronx, NY
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in Bronx, New York, licensed in NY, with an NPI issued in July 2006. Their prescriptions cost Medicare Part D more than their services did: $4,735,329 for 19,360 claims, against $5,762 paid for services in 2024. Novo Nordisk Inc was the largest of 10 companies reporting payments in 2025, $658.72 in all, mostly food and beverage.
Overview
| NPI | 1205867835 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 5, 2006 |
| Last updated in NPPES | May 13, 2026 |
| Certified by provider | May 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 183600 | 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 - Endocrinology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 38 |
|---|---|
| Services billed | 121 across 10 procedure codes |
| Paid by Medicare | $5,762 |
Part D prescriptions in 2024
| Prescriptions (claims) | 19,360 · 44,091 30-day fills |
|---|---|
| Patients | 1,017 |
| Total drug cost | $4,735,329 |
| Generic share | 66% of claims |
Education and affiliations
| Graduation year | 1979 |
|---|---|
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
Industry payments (Open Payments)
- 2025$658.72 · 28 payments from 10 companies
- 2024$584.80 · 29 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $241.96 | 10 |
| Ascendis Pharma Endocrinology Inc | $123.00 | 5 |
| Bayer Healthcare Pharmaceuticals Inc. | $100.52 | 4 |
| Dexcom, Inc. | $46.98 | 2 |
| Amgen Inc. | $41.84 | 2 |
What the 2025 payments were for
- Food and Beverage$658.72 · 28 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 61 endocrinologists in Bronx · All endocrinologists in New York