Naveen N. Kumar, M.D.
Diagnostic Radiology Physician · San Francisco, CA
Naveen N. Kumar, M.D. is a diagnostic radiology physician with a practice address in San Francisco, California, and NPI 1669554317, issued on Oct 20, 2006. Check the license (California A81673, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Naveen N. Kumar
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- A81673 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3700 California St, San Francisco, CA 94118
- Phone
- (415) 750-6025
- Enumerated
- Oct 20, 2006
- Record last updated
- Dec 9, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20070427000450); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →
Also registered at 3700 California St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sylvia Balding, NPNurse Practitioner1982894937
- William Berger, MDAnesthesiology Physician1760431803
- Suruchi Bhatia, MDPediatric Endocrinology Physician1336244623
- Lauri Black, MS, CGCGenetic Counselor (M.S.)1376521898
Verify Naveen N. Kumar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A81673Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average diagnostic radiology physician in 2024
26 Medicare Part D claims, against an average of 51 among the 2,711 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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
- Permanente Medical Group IncVallejo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Naveen N. Kumar among 4,500 diagnostic radiology physician records in California
Naveen N. Kumar, M.D. is one of 4,500 diagnostic radiology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 52% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2001 · median 2004 among the 3,130 with a school on file
- Record last updated2021 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in California
There are 4,500 diagnostic radiology physician records in California.
All 4,500 in California → Every provider in San Francisco → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Thomas Brown, M.D.San Francisco, CA 941181063451615
- Raymond Cummins, M.D.San Francisco, CA 941181821030768
- Susan Denny, M.D.San Francisco, CA 941181902848112
- Maureen Hogan, M.D.San Francisco, CA 941181629356985
- Joseph Leach, MD, PHDSan Francisco, CA 941181134548217
- Jay Mall, M.D.San Francisco, CA 941181629016050
- Myron Marx, M.D.San Francisco, CA 941181083657928
- Kirk Moon, M.D.San Francisco, CA 941181295779833
Common questions
What is Naveen N. Kumar, M.D.'s NPI number?
Naveen N. Kumar, M.D.'s National Provider Identifier (NPI) is 1669554317, issued on Oct 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Naveen N. Kumar, M.D. located?
The NPPES record lists a practice address at 3700 California St, San Francisco, CA, 94118. Phone: (415) 750-6025. Providers update this record themselves, so call before visiting.
How can I verify Naveen N. Kumar, M.D.'s license?
NPPES lists California license number A81673, 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 Naveen N. Kumar, M.D. prescribe under Medicare Part D?
In 2024, Naveen N. Kumar, M.D. had 26 Medicare Part D claims; the average among diagnostic radiology physician prescribers was 51. 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.