NPPES file of Aug 9, 2026

Stephen John Groth, MD

Addiction Medicine (Family Medicine) Physician · Laguna Beach, CA

Stephen John Groth, MD is an addiction medicine (family medicine) physician with a practice address in Laguna Beach, California, and NPI 1982762761, issued on Dec 5, 2006. Check the license (California G36991, 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
1982762761
Name
Stephen John Groth
Credential
MD
Primary taxonomy
Addiction Medicine (Family Medicine) Physician 207QA0401X
License number
G36991 CA
Self-reported in NPPES; status is on the state search
Practice location
554 Diamond St, Laguna Beach, CA 92651
Phone
(949) 306-7383
Enumerated
Dec 5, 2006
Record last updated
Oct 6, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(949) 497-1141
Medicaid ID
00G369910 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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8 nearest addiction medicine (family medicine) physician records → All 124 in California → Look up another NPI →

Verify Stephen John Groth in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G36991    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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Stephen John Groth among 124 addiction medicine (family medicine) physician records in California

Stephen John Groth, MD is one of 124 addiction medicine (family medicine) physician records with a practice address in California. 78% 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 3% of them.

  • NPI issued2006 · 3% of these records are older, 73% newer
  • In a Medicare fileNo · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 52% of these records are
  • Record last updated2012 · 33% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QA0401X 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 (Family Medicine) Physician providers in California

There are 124 addiction medicine (family medicine) physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 124 in California → Every provider in Laguna Beach → Addiction Medicine (Family Medicine) Physician nationwide →

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

  1. Anthony Ocana, MD, CCFP, FASAMLaguna Beach, CA 926511093363848
  2. Kenneth Gheysar, M.D.Laguna Hills, CA 926531609992171
  3. Richard Peprah, M.D.Huntington Beach, CA 926481659790848
  4. Steven Ey, M.D.Newport Beach, CA 926581821013285
  5. Atul Grover, MDNewport Beach, CA 926631639166523
  6. Daniel Headrick, M.D.San Juan Capistrano, CA 926751770649816
  7. Lucia Rusu, MDCosta Mesa, CA 926261467404004
  8. Peter Scheid, M.D.Capistrano Beach, CA 926241922024777

Common questions

What is Stephen John Groth, MD's NPI number?

Stephen John Groth, MD's National Provider Identifier (NPI) is 1982762761, issued on Dec 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Stephen John Groth, MD located?

The NPPES record lists a practice address at 554 Diamond St, Laguna Beach, CA, 92651. Phone: (949) 306-7383. Providers update this record themselves, so call before visiting.

How can I verify Stephen John Groth, MD's license?

NPPES lists California license number G36991, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.