NPPES file of Aug 9, 2026

Sirisha Krishna Tummala, MD

Hematology & Oncology Physician · San Mateo, CA

Sirisha Krishna Tummala, MD is a hematology & oncology physician with a practice address in San Mateo, California, and NPI 1851755151, issued on Apr 12, 2016. Check the license (California A162966, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1851755151
Name
Sirisha Krishna Tummala
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
A162966 CA
1851755151 DC
036.157183 IL
Self-reported in NPPES; status is on the state search
Practice location
218 DE Anza Blvd, San Mateo, CA 94402
Phone
(650) 341-9131
Enumerated
Apr 12, 2016
Record last updated
Jun 20, 2024
Medicare enrollment
Enrolled (PECOS I20190716003083); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 218 DE Anza Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kent Adler, M.D.Hematology & Oncology Physician1013074632
  2. Jennifer Brown, M.D.Hematology & Oncology Physician1740347350
  3. Ryan ChangMedical Oncology Physician1164985263
  4. Karen Chee, M.D.Hematology & Oncology Physician1487637310
  5. Shu Yi Chen, RPHPharmacist1902401250
  6. Bradley Ekstrand, M.D., PH.D.Hematology & Oncology Physician1528125135

Verify Sirisha Krishna Tummala in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A162966
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $69.18

2 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sirisha Tummala$69.18
  2. Specialty average$7,481.41

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Ucsf Medical Group Business ServicesSan Francisco, CA
  2. University OF California San FranciscoSan Francisco, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sirisha Krishna Tummala among 1,583 hematology & oncology physician records in California

Sirisha Krishna Tummala, MD is one of 1,583 hematology & oncology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 87% of them.

  • NPI issued2016 · 87% of these records are older, 11% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2016 · median 2003 among the 1,124 with a school on file
  • Record last updated2024 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in California

There are 1,583 hematology & oncology physician records in California.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Kent Adler, M.D.San Mateo, CA 944021013074632
  2. Jennifer Brown, M.D.San Mateo, CA 944021740347350
  3. Karen Chee, M.D.San Mateo, CA 944021487637310
  4. Robert Cohen, MDSan Mateo, CA 944021073034765
  5. Bradley Ekstrand, M.D., PH.D.San Mateo, CA 944021528125135
  6. Jelena Kao, MDSan Mateo, CA 944021932242062
  7. Elham Vosoughi, M.D.San Mateo, CA 944021134658669
  8. Katrina FischerSan Mateo, CA 944011477972388

Common questions

What is Sirisha Krishna Tummala, MD's NPI number?

Sirisha Krishna Tummala, MD's National Provider Identifier (NPI) is 1851755151, issued on Apr 12, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Sirisha Krishna Tummala, MD located?

The NPPES record lists a practice address at 218 DE Anza Blvd, San Mateo, CA, 94402. Phone: (650) 341-9131. Providers update this record themselves, so call before visiting.

How can I verify Sirisha Krishna Tummala, MD's license?

NPPES lists California license number A162966, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.