ELIZABETH SULLIVAN
NPI 1255947693
Registered Nurse in San Francisco, CA

Active since September 21, 2020Accepts Medicare Assignment
505 PARNASSUS AVE, SAN FRANCISCO, CA 94143(415) 476-1000 Get Directions Write a Review

NPPES record last updated: January 11, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 11, 2023, Oct 12, 2021, Sep 21, 2020 (3 updates tracked since 2020).

About Elizabeth Sullivan NPPES

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

ELIZABETH SULLIVAN (NPI 1255947693) is an individual registered nurse in San Francisco, California, licensed in California (95058338) and active in the NPI registry since September 2020. She is a graduate of Other (2020).

NPPES Registry Identity

NPI1255947693
Entity TypeIndividualFemale
Primary Taxonomy163W00000X
Provider Legal NameELIZABETH SULLIVAN
Location Address505 PARNASSUS AVESan Francisco, CA 94143-2204
Mailing Address88 S Broadway Unit 3308Millbrae, CA 94030-3075 · (646) 567-0105
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateSeptember 21, 2020
Last NPPES UpdateJanuary 11, 20233 updates tracked since enumeration
NPPES CertifiedJanuary 11, 2023
✔ NPI 1255947693 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRegistered NurseNursing Service Providers
Taxonomy Code163W00000X
License✔ Licensed in CA · 95058338
Definition
(1) A registered nurse is a person qualified by graduation from an accredited nursing school (depending upon schooling, a registered nurse may receive either a diploma from a hospital program, an associate degree in nursing (A.D.N.) or a Bachelor of Science degree in nursing (B.S.N.), who is licensed or certified by the state, and is practicing within the scope of that license or certification. R.N.'s assist patient in recovering and maintaining their physical or mental health. They assist physicians during treatments and examinations and administer medications. (2) A provider who is trained and educated in a formal nursing education program at an accredited school of nursing, passes a national certification examination, and is licensed by the state to practice nursing. The individual provides nursing services to patients or clients in areas such as health promotion, disease prevention, acute and chronic care and restoration and maintenance of health across the life span.
505 PARNASSUS AVE, San Francisco, CA 94143

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Elizabeth Sullivan is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6507271046
PECOS Enrollment IDI20210216001683

Medicare Billing Reassignments

4

Medicare enrollment records show Elizabeth Sullivan reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anesthesiology
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 723 clinicians in this Medicare group
Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
Nurse Anesthetist, Certified Registered
950 BUTTE ST
Redding, CA 96001
  • Reassigned Medicare billing, California enrollment
  • 32 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.

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.

Nurse Practitioner (Neonatal)
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine (Advanced Heart Failure and Transplant Cardiology)
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Hospitalist
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Student in an Organized Health Care Education/Training Program
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine (Geriatric Medicine)
505 PARNASSUS AVE, 15 LONG
SAN FRANCISCO, CA 94143
Student in an Organized Health Care Education/Training Program
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Nurse Anesthetist, Certified Registered
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143

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 Elizabeth Sullivan's NPI number?

The NPI number for Elizabeth Sullivan is 1255947693. It was assigned to this individual provider in the NPPES registry on September 21, 2020.

Where is Elizabeth Sullivan located?

Elizabeth Sullivan practices at 505 Parnassus Ave, San Francisco, CA 94143. The listed phone number is (415) 476-1000.

What is Elizabeth Sullivan's specialty?

The primary specialty registered for this NPI is Registered Nurse with taxonomy code 163W00000X.

Is Elizabeth Sullivan enrolled in Medicare?

Yes. Elizabeth Sullivan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Elizabeth Sullivan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Sullivan reassigns Medicare benefits to 4 organizations: University Anesthesia Medical Group (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and In Somno Securitas A Professional Nursing Corporation (Redding, 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 Elizabeth Sullivan'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 Elizabeth Sullivan was last updated on January 11, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.