Daniel P. Chelliah, MD
NPI 1174847933ActiveIndividual· Internal Medicine, Infectious Disease· Mountain View, CA
Internal Medicine, Infectious Disease (MD) in Mountain View, California, trained at Loma Linda University School of Medicine (class of 2010). Their prescriptions cost Medicare Part D more than their services did: $471,882 for 396 claims, against $83,575 paid for services in 2024. Gilead Sciences, Inc. was the largest of 2 companies reporting payments in 2025, $69.17 in all, mostly food and beverage.
Overview
| NPI | 1174847933 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 23, 2010 |
| Last updated in NPPES | Oct 7, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | A121423 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 213 |
|---|---|
| Services billed | 721 across 18 procedure codes |
| Paid by Medicare | $83,575 |
Part D prescriptions in 2024
| Prescriptions (claims) | 396 · 558 30-day fills |
|---|---|
| Patients | 80 |
| Total drug cost | $471,882 |
| Generic share | 76% of claims |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Infectious Disease |
| Telehealth | Offers telehealth |
Medical group
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
Hospital affiliation
- El Camino HealthMountain View, CA
Other facilities
- Sutter Care at HomeHome health agency · San Mateo, CA
- Sutter Care at HomeHome health agency · Saratoga, CA
Industry payments (Open Payments)
- 2025$69.17 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $41.75 | 2 |
| Paratek Pharmaceuticals, Inc. | $27.42 | 1 |
What the 2025 payments were for
- Food and Beverage$69.17 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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