Registry data as of Aug 27, 2026

Samuel Limbong, M.D.

Internal Medicine Physician · Tustin, CA

Samuel Limbong, M.D. is an internal medicine physician with a practice address in Tustin, California, and NPI 1912358664, issued on Jun 23, 2016. Check the license (California A153140, 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, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1912358664
Name
Samuel Limbong
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A153140 CA
Self-reported in NPPES; status is on the state search
Practice location
2492 Walnut Ave, Tustin, CA 92780
Phone
(714) 709-8000
Enumerated
Jun 23, 2016
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 2492 Walnut Ave

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

  1. Kevin Allard, P.T.Physical Medicine & Rehabilitation Physician1578684668
  2. Karmen Cohen, D.O.Family Medicine Physician1447377296
  3. Donald Kuskin, PHYSICAL THERAPISTPhysical Therapist1538598818
  4. Rachel LibonatiPhysical Therapist1013467471
  5. Lindsay Miller, DPTPhysical Therapist1639546385
  6. Jean Louis SelamInternal Medicine Physician1982759114

Verify Samuel Limbong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A153140
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

38 internal medicine physician records list a Tustin practice address

They are 38 of the 2,221 NPPES records with a Tustin practice address, and 20,403 internal medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other internal medicine physician records in California

  1. Jacob Aaron, MDSan Francisco, CA1407202518
  2. Alistair Aaronson, MDStanford, CA1457628760
  3. Jose Abad., MDSacramento, CA1144607219
  4. Donna Abare, MDOakland, CA1386722155
  5. Marce AbareScotts Valley, CA1457744708
  6. Samuel Abarte, M.D.Chula Vista, CA1578535498
  7. Alexander Abary, MDLong Beach, CA1104995919
  8. Luba Abascal, MDSan Francisco, CA1023180874
  9. Michael Abate, MDSacramento, CA1548248131
  10. Wali Abawi, D.O.Joshua Tree, CA1104362268

Common questions

What is Samuel Limbong, M.D.'s NPI number?

Samuel Limbong, M.D.'s National Provider Identifier (NPI) is 1912358664, issued on Jun 23, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Samuel Limbong, M.D. located?

The NPPES record lists a practice address at 2492 Walnut Ave, Tustin, CA, 92780. Phone: (714) 709-8000. Providers update this record themselves, so call before visiting.

How can I verify Samuel Limbong, M.D.'s license?

NPPES lists California license number A153140, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.