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NANCY POON NP
NPI 1144824475
Nurse Practitioner - Family in San Francisco, CA

Active since November 27, 2020PECOS Enrolled
499 ILLINOIS ST FL 6, SAN FRANCISCO, CA 94158(415) 353-7475 Get Directions Write a Review

NPPES record last updated: May 18, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 18, 2026, May 4, 2026, Feb 14, 2021 and 1 more (4 updates tracked since 2020).

About Nancy Poon Np NPPES

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

NANCY POON NP (NPI 1144824475) is an individual family provider in San Francisco, California, licensed in California (95016099) and active in the NPI registry since November 2020. She is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of George Washington University School Of Medicine (2020).

NPPES Registry Identity

NPI1144824475
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameNANCY POONCredential: NP
Location Address499 ILLINOIS ST FL 6San Francisco, CA 94158-2518
Mailing Address150 Spear St Ste 500San Francisco, CA 94105-1537 · (415) 603-6999
Phone(415) 353-7475
Sole ProprietorNo
Medical School CMSGeorge Washington University School Of MedicineGraduated 2020
Enumeration DateNovember 27, 2020
Last NPPES UpdateMay 18, 20264 updates tracked since enumeration
NPPES CertifiedMay 18, 2026
✔ NPI 1144824475 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CA · 95016099
499 ILLINOIS ST FL 6, San Francisco, CA 94158
Open in Google Maps ↗

Secondary Practice Location 1

Location 1150 Spear St Ste 500San Francisco, CA 94105-1537 · Phone (415) 603-6999

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Nancy Poon Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5799255683
PECOS Enrollment IDI20260601003609
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 Reassignments

4

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

Regents Of The University Of California
3.1 mi
Endocrinology, Diabetes & Metabolism
1600 DIVISADERO ST
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 2,112 clinicians in this Medicare group
NPI 1235322348 (415) 353-9720
Ucsf Dept Of Surgery
3.9 mi
Surgery
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 761 clinicians in this Medicare group
NPI 1477627537 (415) 353-2161
University Of California San Francisco
3.9 mi
Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
NPI 1346329380 (415) 353-2161
Ucsf Medical Group Business Services
3.9 mi
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
NPI 1477624104 (415) 353-2808

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 94158 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 18

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

NATALIE NICOLE BARNES FNP-BC
Nurse Practitioner (Family)
499 ILLINOIS ST FL 6
SAN FRANCISCO, CA 94158
San Francisco County (415) 353-7475
REBECCA RICH NP
Nurse Practitioner (Women's Health)
499 ILLINOIS ST FL 6
SAN FRANCISCO, CA 94158
San Francisco County (415) 353-7475
DAVID HUANG M.D.
Obstetrics & Gynecology (Reproductive Endocrinology)
499 ILLINOIS ST FL 6
SAN FRANCISCO, CA 94158
San Francisco County (415) 353-7475
KAIA MARION SCHWARTZ MD
Obstetrics & Gynecology (Reproductive Endocrinology)
499 ILLINOIS ST FL 6
SAN FRANCISCO, CA 94158
San Francisco County (415) 353-7475
AMANDA ADELEYE
Obstetrics & Gynecology (Reproductive Endocrinology)
499 ILLINOIS ST FL 6
SAN FRANCISCO, CA 94158
San Francisco County (415) 353-7475
LEIGH ANN HUMPHRIES MD
Obstetrics & Gynecology (Reproductive Endocrinology)
499 ILLINOIS ST FL 6
SAN FRANCISCO, CA 94158
San Francisco County (415) 353-7475
ALLISON ALTMAN PHD
Psychologist (Clinical)
499 ILLINOIS ST FL 6
SAN FRANCISCO, CA 94158
San Francisco County (415) 353-7475
DR. JACOB CHRIST MD
Obstetrics & Gynecology (Reproductive Endocrinology)
499 ILLINOIS ST FL 6
SAN FRANCISCO, CA 94158
San Francisco County (415) 353-7475

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 Nancy Poon's NPI number?

The NPI number for Nancy Poon is 1144824475. It was assigned to this individual provider in the NPPES registry on November 27, 2020.

Where is Nancy Poon located?

Nancy Poon practices at 499 Illinois St Fl 6, San Francisco, CA 94158. The listed phone number is (415) 353-7475.

What is Nancy Poon's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Nancy Poon enrolled in Medicare?

Yes. Nancy Poon is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Nancy Poon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nancy Poon reassigns Medicare benefits to 4 organizations: Regents Of The University Of California (San Francisco, CA), Ucsf Dept Of Surgery (San Francisco, CA), 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 Nancy Poon'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 Nancy Poon was last updated on May 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.