Registry data as of Aug 27, 2026

Stephanie Clark, RN

Addiction (Substance Use Disorder) Registered Nurse · San Francisco, CA

Stephanie Clark, RN is an addiction (substance use disorder) registered nurse with a practice address in San Francisco, California, and NPI 1023983152, issued on Oct 8, 2025. Check the license (California 465035, as entered in NPPES) with the California board that licenses this profession; 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
1023983152
Name
Stephanie Clark
Credential
RN
Primary taxonomy
Addiction (Substance Use Disorder) Registered Nurse 163WA0400X
License number
465035 CA
Self-reported in NPPES; status is on the state search
Practice location
1001 Portrero Ave, San Francisco, CA 94110
Phone
(628) 206-8412
Enumerated
Oct 8, 2025
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 1001 Portrero Ave

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

  1. Stas AmatoSurgical Critical Care Physician1013448695
  2. John Brown, MDEmergency Medicine Physician1053355941
  3. Melvin Cheitlin, MDInternal Medicine Physician1508808189
  4. Anya Dubin, M.S.S.WStudent in an Organized Health Care Education/Training Program1740576461
  5. Alan Gelb, MDEmergency Medicine Physician1497796213
  6. Beth Gray, RN MS CNSAdult Psychiatric/Mental Health Registered Nurse1306010442

Verify Stephanie Clark in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 465035
    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
Find 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 →

Addiction (Substance Use Disorder) Registered Nurse providers in California

There are 163 addiction (substance use disorder) registered nurse records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other addiction (substance use disorder) registered nurse records in California

  1. Rachel AbdelSan Francisco, CA1538880737
  2. Michael AbrogarOakland, CA1568100303
  3. Omorogiuwa Adeneye, PMHNPLancaster, CA1770271280
  4. Raymund AlbanoRiverside, CA1568233161
  5. Janet Alvarez, BSN-RNRiverside, CA1396445409
  6. Stacy Anderson, RNOceanside, CA1144846064
  7. Henrietta Anibuko, RNSan Francisco, CA1871199539
  8. Michelle Aniceto, RNSalinas, CA1578768594
  9. Liliana AprezaAntioch, CA1396431045
  10. Gilbert Arellano, RNSan Francisco, CA1801745989

Common questions

What is Stephanie Clark, RN's NPI number?

Stephanie Clark, RN's National Provider Identifier (NPI) is 1023983152, issued on Oct 8, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Stephanie Clark, RN located?

The NPPES record lists a practice address at 1001 Portrero Ave, San Francisco, CA, 94110. Phone: (628) 206-8412. Providers update this record themselves, so call before visiting.

How can I verify Stephanie Clark, RN's license?

NPPES lists California license number 465035, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

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.