NPPES file of Aug 9, 2026

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.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1871593756
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
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 5565 Grossmont Center Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Karen Anderson, D.P.M.Podiatrist1235202722
  2. Patrick Astourian, MS PA-CMedical Physician Assistant1932294279
  3. Larry Ayers, MDPulmonary Disease Physician1801865498
  4. Kerry Barth, PSYD, MFTMarriage & Family Therapist1487868618
  5. Sergio Berkstein, D.D.S.,M.S.Periodontics1780602623
  6. Edward Bowler, D.D.S.Periodontics1518978576

Verify Robert W. Foster in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G56132
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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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.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Ali Alamar, M.D.La Mesa, CA 919421972606374
  2. Mary Alexander, M.D.La Mesa, CA 919421538177845
  3. Felicia Briones-Colman, M.D.La Mesa, CA 919421962517367
  4. Eva Leonard, M.D.La Mesa, CA 919421386602746
  5. Douglas Levey, M.D.La Mesa, CA 919421932210523
  6. Ellyn Levine, M.D.La Mesa, CA 919421760470546
  7. Teh Liang, M.D.La Mesa, CA 919421255340535
  8. 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.