NPPES file of Aug 9, 2026

Catherine Mary O'Connor, PT, MS, OCS, NP

Occupational Health Nurse Practitioner · San Francisco, CA

Catherine Mary O'Connor, PT, MS, OCS, NP is an occupational health nurse practitioner with a practice address in San Francisco, California, and NPI 1447339981, issued on Nov 3, 2006. Check the license (California 95003043, 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1447339981
Name
Catherine Mary O'Connor
Credential
PT, MS, OCS, NP
Primary taxonomy
Occupational Health Nurse Practitioner 363LX0106X
License numbers
95003043 CA
19642 CA
Self-reported in NPPES; status is on the state search
Practice location
2330 Post St Ste 460, San Francisco, CA 94115
Phone
(415) 885-7580
Enumerated
Nov 3, 2006
Record last updated
Sep 23, 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 2330 Post St Ste 460

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

  1. Max Blumberg, MDPreventive Medicine/Occupational Environmental Medicine Physician1326507385
  2. Rupesh Patel, MD, PHD, MPHPreventive Medicine/Occupational Environmental Medicine Physician1881235695
  3. Gina Solomon, M.D., M.P.H.Preventive Medicine/Occupational Environmental Medicine Physician1174536734

Verify Catherine Mary O'Connor 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 95003043    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

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Occupational Health Nurse Practitioner providers in California

There are 71 occupational health nurse practitioner records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 71 in California → Every provider in San Francisco →

Other occupational health nurse practitioner records in California

  1. Ivory AdanzaStockton, CA1053702159
  2. Urania Arauz, NPOakland, CA1922203694
  3. Bret Barrett, NPRedondo Beach, CA1346974466
  4. Donna Bennett, FNPLodi, CA1043360217
  5. Pamela Burdt, NPSan Diego, CA1588810683
  6. Elizabeth Byrd, NPSan Francisco, CA1346725199
  7. Ekaterina Carmenatty, FNPStanford, CA1750090361
  8. Yuk Fan Cheung, NPSan Jose, CA1962495754
  9. Leslie Cohen, NPFolsom, CA1205038064
  10. Cynthia Cutter, NURSE PRACTITIONERSacramento, CA1720184450

Common questions

What is Catherine Mary O'Connor, PT, MS, OCS, NP's NPI number?

Catherine Mary O'Connor, PT, MS, OCS, NP's National Provider Identifier (NPI) is 1447339981, issued on Nov 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Catherine Mary O'Connor, PT, MS, OCS, NP located?

The NPPES record lists a practice address at 2330 Post St Ste 460, San Francisco, CA, 94115. Phone: (415) 885-7580. Providers update this record themselves, so call before visiting.

How can I verify Catherine Mary O'Connor, PT, MS, OCS, NP's license?

NPPES lists California license number 95003043, 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), 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.