SALLY YIN ZHEN
NPI 1891038667
Obstetrics & Gynecology in San Francisco, CA

Q: What is Sally Zhen's NPI number?

The NPI number for Sally Zhen is 1891038667. It was assigned to this individual provider in the NPPES registry on March 31, 2013.

Q: What is Sally Zhen's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Q: When was this NPI record last updated?

The NPPES record for Sally Zhen was last updated on June 25, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 March 31, 2013PECOS EnrolledAccepts Medicare Assignment

1100 VAN NESS AVE, SAN FRANCISCO, CA 94109(415) 750-7050(415) 369-1389 Get Directions Write a Review

NPPES record last updated: June 25, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 25, 2021, Feb 16, 2021 (2 updates tracked since 2021).

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About Sally Yin Zhen NPPES

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

SALLY YIN ZHEN (NPI 1891038667) is an individual obstetrics & gynecology provider in San Francisco, California, licensed in California (A161846) and active in the NPI registry since March 2013. She is enrolled in Medicare PECOS, maintains a secondary practice location in Honolulu, and is a graduate of University Of California, Davis School Of Medicine (2015).

NPPES Registry Identity

NPI1891038667

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameSALLY YIN ZHEN

Location Address1100 VAN NESS AVESan Francisco, CA 94109-6978

Mailing Address325 Distel CirLos Altos, CA 94022-1408 · (415) 750-7050 · Fax (415) 369-1389

Phone(415) 750-7050

Fax(415) 369-1389

Sole ProprietorNo

Medical School CMSUniversity Of California, Davis School Of MedicineGraduated 2015

Enumeration DateMarch 31, 2013

Last NPPES UpdateJune 25, 20212 updates tracked since enumeration

NPPES CertifiedJune 25, 2021

✔ NPI 1891038667 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

License✔ Licensed in CA · A161846

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

1100 VAN NESS AVE, San Francisco, CA 94109

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Secondary Practice Location 1

Location 11319 Punahou St Ste 824Honolulu, HI 96826-1032 · Phone (808) 203-6518

Other Identifiers 1

OtherA161846CA · State Medical License

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

Sally Yin Zhen 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 ID8022423193

PECOS Enrollment IDI20210223001788

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

Medicare enrollment records show Sally Zhen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Permanente Medical Group Inc

1.1 mi

Internal Medicine

2238 GEARY
San Francisco, CA 94116

Reassigned Medicare billing, California enrollment
20,078 clinicians in this Medicare group

NPI 1841373800 (415) 833-2200

Sutter Bay Medical Foundation

15 mi

Multi-Specialty

12 CAMINO ENCINAS
Orinda, CA 94563

Reassigned Medicare billing, California enrollment
4,479 clinicians in this Medicare group

NPI 1366898538 (510) 204-8180

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 94109 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

$153.83 typical visit price

range $69.00 – $202.35

Typical copayment $38.45 (range $17.25 – $50.58)

Most-billed visit code 99204

Established Patient

$84.91 typical visit price

range $23.44 – $166.46

Typical copayment $21.22 (range $5.86 – $41.61)

Most-billed visit code 99213

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.

CHIALIN LEE PA-C

Physician Assistant