Karthikeyan Sitaraman, M.D
Internal Medicine Physician · Kentfield, CA
Karthikeyan Sitaraman, M.D is an internal medicine physician with a practice address in Kentfield, California, and NPI 1902055320, issued on Sep 9, 2008. Check the license (California C172080, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Karthikeyan Sitaraman
- Credential
- M.D
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- C172080 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1125 Sir Francis Drake Blvd, Kentfield, CA 94904
- Phone
- (415) 456-9680
- Enumerated
- Sep 9, 2008
- Record last updated
- Jul 14, 2023
- Fax
- (415) 213-4659
- Medicare enrollment
- Enrolled (PECOS I20210730001832); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1125 Sir Francis Drake Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Karthikeyan Sitaraman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C172080Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
54 Medicare Part D claims for 13 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Industry payments in 2024: $40.30
1 payment: food and beverage; the largest payer was Janssen Biotech, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- American Specialty Physicians Group IncColusa, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karthikeyan Sitaraman among 17,696 internal medicine physician records in California
Karthikeyan Sitaraman, M.D is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 56% of them.
- NPI issued2008 · 56% of these records are older, 40% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2004 · median 2004 among the 11,065 with a school on file
- Record last updated2023 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 internal medicine physician records list a practice address in Kentfield
They are 9 of the 225 NPPES records with a practice address in Kentfield, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Kentfield → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Fariba Amiri, M.D.Greenbrae, CA 949041851340194
- David Berman, M.D.Greenbrae, CA 949041548245921
- Thato Brumwell, M.D.Greenbrae, CA 949041750311494
- Aida Calvillo, MDGreenbrae, CA 949041225031727
- Catharine Clark-Sayles, M.D.Greenbrae, CA 949041518952860
- Susan Cumming, M.D.Greenbrae, CA 949041548285075
- Anne Cummings, M.D.Greenbrae, CA 949041619917028
- Kerry Davidson, M.D.Greenbrae, CA 949041063430106
Common questions
What is Karthikeyan Sitaraman, M.D's NPI number?
Karthikeyan Sitaraman, M.D's National Provider Identifier (NPI) is 1902055320, issued on Sep 9, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Karthikeyan Sitaraman, M.D located?
The NPPES record lists a practice address at 1125 Sir Francis Drake Blvd, Kentfield, CA, 94904. Phone: (415) 456-9680. Providers update this record themselves, so call before visiting.
How can I verify Karthikeyan Sitaraman, M.D's license?
NPPES lists California license number C172080, 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 Karthikeyan Sitaraman, M.D prescribe under Medicare Part D?
In 2024, Karthikeyan Sitaraman, M.D had 54 Medicare Part D claims for 13 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.