Registry data as of Aug 27, 2026

Ranjana Advani, MD

Medical Oncology Physician · Stanford, CA

Ranjana Advani, MD is a medical oncology physician with a practice address in Stanford, California, and NPI 1639225121, issued on Jan 26, 2007. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1639225121
Name
Ranjana Advani
Credential
MD
Primary taxonomy
Medical Oncology Physician 207RX0202X
Practice location
300 Pasteur Dr, Stanford, CA 94305
Phone
(650) 723-4000
Enumerated
Jan 26, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 300 Pasteur Dr

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

  1. Cooper Aakhus, MDEmergency Medicine Physician1194351007
  2. Oliver Aalami, M.D.Surgery Physician1225229024
  3. Alistair Aaronson, MDInternal Medicine Physician1457628760
  4. Sumaira Aasi, MDDermatology Physician1780675181
  5. Fahim Abbasi, M.D.Advanced Heart Failure and Transplant Cardiology Physician1841484037
  6. Mohamad Abbass, MDNeurological Surgery Physician1679492151

Verify Ranjana Advani in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

95% fewer Medicare Part D claims than the average medical oncology physician in 2024

33 Medicare Part D claims, against an average of 732 among the 2,742 providers of this specialty who prescribed in Part D. Brand-name drugs were 55% of claims.

  1. Ranjana Advani33
  2. Specialty average732

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's Medicare quality score for 2023: 76.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score74.3
  2. Costout of 100 · 30%44.0
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $20,109.84

8 payments, mostly consulting fee; the largest payer was F. Hoffmann-La Roche AG. The 2,246 providers of this specialty with any payment received $11,943.39 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ranjana Advani$20,109.84
  2. Specialty average$11,943.39

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

One hospital or facility affiliation

  1. Stanford Health CareStanford, CA · Acute Care Hospitals5 of 5 stars

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Medical Oncology Physician providers in California

There are 295 medical oncology physician records in California.

Other medical oncology physician records in California

  1. Kambiz Afrasiabi, M.D.Anaheim, CA1578572368
  2. Alexander AgelidisSan Diego, CA1013595743
  3. Mark Agulnik, MDLos Angeles, CA1164448734
  4. Weiyun Ai, MDSan Francisco, CA1649346842
  5. Shafqat Akhtar, MDRed Bluff, CA1700960788
  6. Luai Al Rabadi, M.D.San Francisco, CA1659637452
  7. Michael Alexander, MDSanta Cruz, CA1053321760
  8. Sandra AlgazeLos Angeles, CA1861886707
  9. Arash Alizadeh, MD, PHDStanford, CA1295824423
  10. Laurie Anderson, PACPasadena, CA1548366461

Common questions

What is Ranjana Advani, MD's NPI number?

Ranjana Advani, MD's National Provider Identifier (NPI) is 1639225121, issued on Jan 26, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Ranjana Advani, MD located?

The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.

How can I verify Ranjana Advani, MD's license?

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.

How much does Ranjana Advani, MD prescribe under Medicare Part D?

In 2024, Ranjana Advani, MD had 33 Medicare Part D claims; the average among medical oncology physician prescribers was 732. Part D covers Medicare prescriptions only.

What is Ranjana Advani, MD's Medicare quality score?

The 2023 MIPS final score is 76.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.