Robert W. Foster, MD
Internal Medicine Physician · La Mesa, CA
Robert W. Foster, MD is an internal medicine physician with a practice address in La Mesa, California, and NPI 1871593756, issued on Jul 21, 2005. Check the license (California G56132, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Robert W. Foster
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G56132 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5565 Grossmont Center Dr, La Mesa, CA 91942
- Phone
- (619) 461-9600
- Enumerated
- Jul 21, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (619) 461-0334
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
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Verify Robert W. Foster in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G56132Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Robert W. Foster among 17,696 internal medicine physician records in California
Robert W. Foster, MD 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 not. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileNo · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2026 · 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).
61 internal medicine physician records list a practice address in La Mesa
They are 61 of the 2,168 NPPES records with a practice address in La Mesa, and 17,696 internal medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 17,696 in California → Every provider in La Mesa → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ali Alamar, M.D.La Mesa, CA 919421972606374
- Mary Alexander, M.D.La Mesa, CA 919421538177845
- Felicia Briones-Colman, M.D.La Mesa, CA 919421962517367
- Eva Leonard, M.D.La Mesa, CA 919421386602746
- Douglas Levey, M.D.La Mesa, CA 919421932210523
- Ellyn Levine, M.D.La Mesa, CA 919421760470546
- Teh Liang, M.D.La Mesa, CA 919421255340535
- Victor Seikaly, M.D.La Mesa, CA 919421235158320
Common questions
What is Robert W. Foster, MD's NPI number?
Robert W. Foster, MD's National Provider Identifier (NPI) is 1871593756, issued on Jul 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Robert W. Foster, MD located?
The NPPES record lists a practice address at 5565 Grossmont Center Dr, La Mesa, CA, 91942. Phone: (619) 461-9600. Providers update this record themselves, so call before visiting.
How can I verify Robert W. Foster, MD's license?
NPPES lists California license number G56132, 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. 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.