ERIN CASSIDY O'CONNOR
NPI 1093561813
Nurse Practitioner in San Francisco, CA

Q: What is Erin O'connor's NPI number?

The NPI number for Erin O'connor is 1093561813. It was assigned to this individual provider in the NPPES registry on April 24, 2024.

Q: What is Erin O'connor's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Erin O'connor was last updated on August 30, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since April 24, 2024PECOS Enrolled

240 SHOTWELL ST, SAN FRANCISCO, CA 94110(415) 552-3870 Get Directions Write a Review

NPPES record last updated: August 30, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Erin Cassidy O'connor NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ERIN CASSIDY O'CONNOR (NPI 1093561813) is an individual nurse practitioner in San Francisco, California, licensed in California (NP95031124) and active in the NPI registry since April 2024. She is enrolled in Medicare PECOS and maintains a secondary practice location in Columbus.

NPPES Registry Identity

NPI1093561813

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameERIN CASSIDY O'CONNOR

Location Address240 SHOTWELL STSan Francisco, CA 94110-1323

Mailing Address1318 Judah StSan Francisco, CA 94122-1822 · (201) 661-1951

Phone(415) 552-3870

Sole ProprietorNo

Enumeration DateApril 24, 2024

Last NPPES UpdateAugust 30, 2024

NPPES CertifiedAugust 30, 2024

✔ NPI 1093561813 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in CA · NP95031124

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Also ListedRegistered NurseTaxonomy 163W00000X · License 95237032 (CA)

240 SHOTWELL ST, San Francisco, CA 94110

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Secondary Practice Location 1

Location 11585 Neil AveColumbus, OH 43210-1216 · Phone (614) 292-4041

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Erin Cassidy O'connor is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Erin O'connor reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mission Area Health Associates

Same address

Federally Qualified Health Center (FQHC)

240 SHOTWELL ST
San Francisco, CA 94110

Reassigned Medicare billing, California enrollment
30 clinicians in this Medicare group

NPI 1457427411 (415) 552-1013

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 94110 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$104.51 typical visit price

range $69.00 – $202.35

Typical copayment $26.12 (range $17.25 – $50.58)

Most-billed visit code 99203

Established Patient

$119.48 typical visit price

range $23.44 – $166.46

Typical copayment $29.87 (range $5.86 – $41.61)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

STEVEN LEINER NP

Nurse Practitioner (Family)