NPPES file of Aug 9, 2026

Robert S. Koh, MD

Internal Medicine Physician · Auburn, CA

Robert S. Koh, MD is an internal medicine physician with a practice address in Auburn, California, and NPI 1992745020, issued on Jun 7, 2006. Check the license (California A65486, 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
1992745020
Name
Robert S. Koh
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A65486 CA
Self-reported in NPPES; status is on the state search
Practice location
11985 Heritage Oak PL, Auburn, CA 95603
Phone
(530) 889-0872
Enumerated
Jun 7, 2006
Record last updated
Dec 9, 2015 (not updated in 11 years: call before relying on the address or phone)
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 11985 Heritage Oak PL

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

  1. Michael Ashcraft, MDEndocrinology, Diabetes & Metabolism Physician1639198005
  2. Robert Call, D.C.Chiropractor1316025851
  3. Janet ChelsethFamily Nurse Practitioner1457376444
  4. Pamela Clemons, BSNCase Management Registered Nurse1659397248
  5. Susan Elders, RN, BSNHome Health Registered Nurse1093734709
  6. James Irons, M.D.Basic Emergency Medical Technician1447293022

Verify Robert S. Koh in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A65486
    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

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31 internal medicine physician records list a practice address in Auburn

They are 31 of the 1,392 NPPES records with a practice address in Auburn, and 17,696 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 Robert S. Koh, MD's NPI number?

Robert S. Koh, MD's National Provider Identifier (NPI) is 1992745020, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert S. Koh, MD located?

The NPPES record lists a practice address at 11985 Heritage Oak PL, Auburn, CA, 95603. Phone: (530) 889-0872. Providers update this record themselves, so call before visiting.

How can I verify Robert S. Koh, MD's license?

NPPES lists California license number A65486, 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.