Alegra Isabel Mendez, MD
Internal Medicine Physician · San Francisco, CA
Alegra Isabel Mendez, MD is an internal medicine physician with a practice address in San Francisco, California, and NPI 1669121265, issued on Mar 21, 2022. Check the license (California A189472, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Alegra Isabel Mendez
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A189472 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1101 Van Ness Ave Ste 1100, San Francisco, CA 94109
- Phone
- (415) 600-6000
- Enumerated
- Mar 21, 2022
- Record last updated
- Aug 19, 2025
- Medicare enrollment
- Enrolled (PECOS I20250903000625); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 2022
- Entity
- Type 1 · individual
Also registered at 1101 Van Ness Ave Ste 1100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Preethi BalaganiStudent in an Organized Health Care Education/Training Program1609526656
- Emily ChanStudent in an Organized Health Care Education/Training Program1831848274
- Nikita DeshpandeStudent in an Organized Health Care Education/Training Program1235719147
- Mary Earp, MDInternal Medicine Physician1851041511
- Edward HadelerStudent in an Organized Health Care Education/Training Program1528708047
- Emily Hong, MDStudent in an Organized Health Care Education/Training Program1427798446
Verify Alegra Isabel Mendez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A189472Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Pacific Inpatient Medical GroupSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (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 1,318 in San Francisco → All 17,696 in California → Every provider in San Francisco →
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- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Alegra Isabel Mendez, MD's NPI number?
Alegra Isabel Mendez, MD's National Provider Identifier (NPI) is 1669121265, issued on Mar 21, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Alegra Isabel Mendez, MD located?
The NPPES record lists a practice address at 1101 Van Ness Ave Ste 1100, San Francisco, CA, 94109. Phone: (415) 600-6000. Providers update this record themselves, so call before visiting.
How can I verify Alegra Isabel Mendez, MD's license?
NPPES lists California license number A189472, 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.
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.