NPPES file of Aug 9, 2026

Rajni Anne Sethi, MD

Radiation Oncology Physician · Concord, CA

Rajni Anne Sethi, MD is a radiation oncology physician with a practice address in Concord, California, and NPI 1639314446, issued on Dec 8, 2008. Check the license (California A121348, 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
1639314446
Name
Rajni Anne Sethi
Credential
MD
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
A121348 CA
Self-reported in NPPES; status is on the state search
Practice location
2540 East St, Concord, CA 94520
Phone
(925) 674-2521
Enumerated
Dec 8, 2008
Record last updated
Dec 17, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20120625000421); accepts Medicare assignment
Medical or professional school
University Of California, San Diego School Of Medicine, 2007
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 2540 East St

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

  1. Andrew Abrass, M.D. M.P.HEmergency Medicine Physician1538395017
  2. Minbo BaiAnesthesiology Physician1427510775
  3. Michael Buchele, M.D.Emergency Medicine Physician1548283724
  4. Richard Carmel, MDRadiation Oncology Physician1902897317
  5. Christine Cesca, MDAnatomic Pathology & Clinical Pathology Physician1003997347
  6. Daniel Chinn, MDRadiation Oncology Physician1063493757

Verify Rajni Anne Sethi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A121348
    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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22% more Medicare Part D claims than the average radiation oncology physician in 2024

164 Medicare Part D claims for 66 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. 26 claims were for opioids.

  1. Rajni Sethi164
  2. Specialty average134

Most prescribed

  1. Tamsulosin Hcl65 claims
  2. Hydrocodone-Acetaminophen23 claims
  3. Lidocaine Hcl Viscous12 claims

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.

Bills Medicare through one group practice

  1. Permanente Medical Group IncSanta Clara, CA

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

Radiation Oncology Physician providers in California

There are 735 radiation oncology physician records in California.

Other radiation oncology physician records in California

  1. Christina Abel, NURSE PRACTITIONEROrange, CA1033638911
  2. Jonathan Abelson, M.D.Thousand Oaks, CA1730348053
  3. Roy Abendroth, MDSan Francisco, CA1811988421
  4. Sunil Advani, M.D.La Jolla, CA1669649844
  5. Faisal Ahmed, MDStanford, CA1427314855
  6. Eugene Ahn, MDSimi Valley, CA1912999533
  7. Matthew Allen, MDRedding, CA1235301714
  8. Zahora Ally, MDAntioch, CA1306839915
  9. Munther Alqaisi, M.D.San Bernardino, CA1356454300
  10. Alessandra Amadeo, MDTorrance, CA1225011034

Common questions

What is Rajni Anne Sethi, MD's NPI number?

Rajni Anne Sethi, MD's National Provider Identifier (NPI) is 1639314446, issued on Dec 8, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Rajni Anne Sethi, MD located?

The NPPES record lists a practice address at 2540 East St, Concord, CA, 94520. Phone: (925) 674-2521. Providers update this record themselves, so call before visiting.

How can I verify Rajni Anne Sethi, MD's license?

NPPES lists California license number A121348, 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.

How much does Rajni Anne Sethi, MD prescribe under Medicare Part D?

In 2024, Rajni Anne Sethi, MD had 164 Medicare Part D claims for 66 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.

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.