NPPES file of Aug 9, 2026

Suma C. Singh, MD

Addiction Medicine (Anesthesiology) Physician · San Jose, CA

Suma C. Singh, MD is an addiction medicine (anesthesiology) physician with a practice address in San Jose, California, and NPI 1982764734, issued on Dec 11, 2006. Check the license (California G79389, 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
1982764734
Name
Suma C. Singh
Credential
MD
Primary taxonomy
Addiction Medicine (Anesthesiology) Physician 207LA0401X
License number
G79389 CA
Self-reported in NPPES; status is on the state search
Practice location
2425 Enborg LN, San Jose, CA 95128
Phone
(408) 885-5429
Enumerated
Dec 11, 2006
Record last updated
Jan 24, 2008 (not updated in 18 years: call before relying on the address or phone)
Medicaid ID
00G793890 CA
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 2425 Enborg LN

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

  1. Jaclyn AllardyceHealth Educator1427598721
  2. Felix Atoh, RADTAddiction (Substance Use Disorder) Counselor1508550971
  3. Frank BarkerAddiction (Substance Use Disorder) Counselor1275959819
  4. Shushing ChangAddiction (Substance Use Disorder) Registered Nurse1639202393
  5. Tamra Chavez, LCSWClinical Social Worker1801964440
  6. Joyce ChiuLicensed Vocational Nurse1457168189

Verify Suma C. Singh in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G79389
    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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Suma C. Singh among 11 addiction medicine (anesthesiology) physician records in California

Suma C. Singh, MD is one of 11 addiction medicine (anesthesiology) physician records with a practice address in California. 64% 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 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 73% newer
  • In a Medicare fileNo · 64% of these records are
  • In the CMS Doctors and Clinicians fileNo · 18% of these records are
  • Record last updated2008 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207LA0401X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Addiction Medicine (Anesthesiology) Physician providers in California

There are 11 addiction medicine (anesthesiology) physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 addiction medicine (anesthesiology) physician records with the nearest ZIP codes

  1. James Spitler, M.D.Santa Cruz, CA 950621487630109
  2. Susan Koo, MDStockton, CA 952101386173698
  3. Brian Harris, MDMenlo Park, CA 940251396904785
  4. Christopher FontayneVentura, CA 930011215730056
  5. Daniel Bouland, MDOrange, CA 928681720308737
  6. Malcolm Wehrle, M.D.Anaheim, CA 928051316968282
  7. Brian McLean, M.D.Loma Linda, CA 923541316173354
  8. Bee Ramirez, M.D.Fontana, CA 923351639807217

Common questions

What is Suma C. Singh, MD's NPI number?

Suma C. Singh, MD's National Provider Identifier (NPI) is 1982764734, issued on Dec 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Suma C. Singh, MD located?

The NPPES record lists a practice address at 2425 Enborg LN, San Jose, CA, 95128. Phone: (408) 885-5429. Providers update this record themselves, so call before visiting.

How can I verify Suma C. Singh, MD's license?

NPPES lists California license number G79389, 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.