Sirisha Krishna Tummala, MD
NPI 1851755151ActiveIndividual· Internal Medicine, Hematology & Oncology· San Mateo, CA
Internal Medicine, Hematology & Oncology (MD) with University of California San Francisco and 1 other group, practicing in San Mateo, California. Medicare paid $7,364 for services to 22 patients in 2024. Astrazeneca Pharmaceuticals LP was the largest of 2 companies reporting payments in 2025, $193.01 in all, mostly food and beverage. Lists Peninsula Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1851755151 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 12, 2016 |
| Last updated in NPPES | Jun 20, 2024 |
| Certified by provider | Jun 20, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | A162966 | CA |
| Internal Medicine | 207R00000X | 1851755151 | DC |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 036.157183 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hospitalist (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 22 |
|---|---|
| Services billed | 86 across 14 procedure codes |
| Paid by Medicare | $7,364 |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Hospitalist |
| Telehealth | Offers telehealth |
Medical groups
- University of California San FranciscoSan Francisco, CA · 1,839 clinicians
- UCSF Medical Group Business ServicesSan Francisco, CA · 1,598 clinicians
Hospital affiliations
- Peninsula Medical CenterBurlingame, CA
- Sequoia HospitalRedwood City, CA
- UCSF Medical CenterSan Francisco, CA
Industry payments (Open Payments)
- 2025$193.01 · 3 payments from 2 companies
- 2024$69.18 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $151.90 | 2 |
| Abbvie Inc. | $41.11 | 1 |
What the 2025 payments were for
- Food and Beverage$193.01 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Hematology & Oncology providers in San Mateo
- 1013074632
- 1740347350
- 1487637310
- 1073034765
- 1528125135
- 1477972388
- 1497846901
- 1932242062
- 1962907014
- 1992724272
- 1063916591
- 1134658669
All Internal Medicine, Hematology & Oncology providers in California →