CATHERINE MARY O'CONNOR PT, MS, OCS, NP
NPI 1447339981
Nurse Practitioner - Occupational Health in San Francisco, CA
About Catherine Mary O'connor Pt, Ms, Ocs, Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CATHERINE MARY O'CONNOR PT, MS, OCS, NP (NPI 1447339981) is an individual occupational health provider in San Francisco, California, licensed in California (95003043) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Catherine Mary O'connor Pt, Ms, Ocs, Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Catherine O'connor reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94115 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN FRANCISCO, CA 94115
SAN FRANCISCO, CA 94115
SAN FRANCISCO, CA 94115
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Catherine O'connor's NPI number?
The NPI number for Catherine O'connor is 1447339981. It was assigned to this individual provider in the NPPES registry on November 3, 2006.
Where is Catherine O'connor located?
Catherine O'connor practices at 2330 Post St Ste 460 Box 1661, San Francisco, CA 94115. The listed phone number is (415) 885-7580.
What is Catherine O'connor's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Occupational Health, with taxonomy code 363LX0106X.
Is Catherine O'connor enrolled in Medicare?
Yes. Catherine O'connor is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Catherine O'connor's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Catherine O'connor reassigns Medicare benefits to 2 organizations: University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (San Francisco, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Catherine O'connor's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Catherine O'connor was last updated on September 23, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Catherine Mary O'connor, PT, MS, OCS, NP · NPI 1447339981
Occupational Health physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since November 3, 2006.
## Identity
- **NPI:** 1447339981 (Entity type: Individual)
- **Enumerated:** November 3, 2006
- **Primary specialty:** Nurse Practitioner - Occupational Health · taxonomy 363LX0106X
- **State license:** 95003043 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2330 POST ST STE 460, BOX 1661, San Francisco, CA 94115-3466
- **Phone:** (415) 885-7580
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 23, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1447339981) · Data from the CMS NPPES public registry.