Gayatri Khanna, M.D.
Internal Medicine Physician · San Francisco, CA
Gayatri Khanna, M.D. is an internal medicine physician with a practice address in San Francisco, California, and NPI 1639191455, issued on Jul 24, 2006. Check the license (California A64577, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gayatri Khanna
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A64577 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1700 California St, San Francisco, CA 94109
- Phone
- (415) 386-5388
- Enumerated
- Jul 24, 2006
- Record last updated
- Mar 1, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (415) 386-8406
- Medicare enrollment
- Enrolled (PECOS I20090721000376); 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 1700 California St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gayatri Khanna in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A64577Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,745 Medicare Part D claims for 247 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
Most prescribed
- Memantine Hcl138 claims
- Donepezil Hcl122 claims
- Atorvastatin Calcium85 claims
- Levothyroxine Sodium65 claims
- Furosemide62 claims
- Alendronate Sodium44 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 IncSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gayatri Khanna among 17,696 internal medicine physician records in California
Gayatri Khanna, 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1994 · median 2004 among the 11,065 with a school on file
- Record last updated2012 · 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).
1,318 internal medicine physician records list a practice address in San Francisco
They are 1,318 of the 38,143 NPPES records with a practice address in San Francisco, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Francisco → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Deborah Lindes, M.D.San Francisco, CA 941091952323776
- Aravind Mani, MDSan Francisco, CA 941091932151941
- Neil Melnick, MDSan Francisco, CA 941091164488524
Common questions
What is Gayatri Khanna, M.D.'s NPI number?
Gayatri Khanna, M.D.'s National Provider Identifier (NPI) is 1639191455, issued on Jul 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gayatri Khanna, M.D. located?
The NPPES record lists a practice address at 1700 California St, San Francisco, CA, 94109. Phone: (415) 386-5388. Providers update this record themselves, so call before visiting.
How can I verify Gayatri Khanna, M.D.'s license?
NPPES lists California license number A64577, 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 Gayatri Khanna, M.D. prescribe under Medicare Part D?
In 2024, Gayatri Khanna, M.D. had 1,745 Medicare Part D claims for 247 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.