Uday Chauhan, MD
NPI 1285213603ActiveIndividual· Internal Medicine, Infectious Disease· Whittier, CA
Internal Medicine, Infectious Disease (MD) in Whittier, California, trained at University of California, San Francisco School of Medicine (class of 2026). Part D covered 55 prescriptions written in 2024, 65% of them generic. Paratek Pharmaceuticals, Inc. was the largest of 2 companies reporting payments in 2025, $169.91 in all, mostly food and beverage.
Overview
| NPI | 1285213603 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Apr 4, 2021 |
| Last updated in NPPES | Jul 6, 2026 |
| Certified by provider | Jul 6, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | A191823 | CA |
| Internal Medicine | 207R00000X | A191823 | CA |
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 - Infectious Disease (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 55 · 85 30-day fills |
|---|---|
| Patients | 16 |
| Total drug cost | $17,172 |
| Generic share | 65% of claims |
Education and affiliations
| Medical school | University of California, San Francisco School of Medicine |
|---|---|
| Graduation year | 2026 |
| Medicare specialty | Infectious Disease |
| Secondary specialties | Internal Medicine |
Hospital affiliation
- Pih Health Hospital-WhittierWhittier, CA
Industry payments (Open Payments)
- 2025$169.91 · 3 payments from 2 companies
- 2024$124.99 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Paratek Pharmaceuticals, Inc. | $125.00 | 1 |
| Viiv Healthcare Company | $44.91 | 2 |
What the 2025 payments were for
- Food and Beverage$169.91 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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