YIFAN ZHANG
NPI 1841953874
Nurse Practitioner - Family in Castro Valley, CA

Active since October 17, 2021PECOS Enrolled
19400 SANTA MARIA AVE RM P7P8, CASTRO VALLEY, CA 94546(510) 471-5880 Get Directions Write a Review

NPPES record last updated: April 20, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 20, 2026, Nov 6, 2023, Apr 6, 2022 and 2 more (5 updates tracked since 2021).

About Yifan Zhang NPPES

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

YIFAN ZHANG (NPI 1841953874) is an individual family provider in Castro Valley, California, licensed in California (95020586) and active in the NPI registry since October 2021. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1841953874
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameYIFAN ZHANG
Location Address19400 SANTA MARIA AVE RM P7P8Castro Valley, CA 94546-3400
Mailing Address1290 B St Ste 109Hayward, CA 94541-2952 · (510) 471-5880
Sole ProprietorNo
Enumeration DateOctober 17, 2021
Last NPPES UpdateApril 20, 20265 updates tracked since enumeration
NPPES CertifiedApril 20, 2026
NPI 1841953874 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 · 95020586
19400 SANTA MARIA AVE RM P7P8, Castro Valley, CA 94546

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Yifan Zhang 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94546 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

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

Clinic/Center (Federally Qualified Health Center (FQHC))
19400 SANTA MARIA AVE RM P7P8
CASTRO VALLEY, CA 94546

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 Yifan Zhang's NPI number?

The NPI number for Yifan Zhang is 1841953874. It was assigned to this individual provider in the NPPES registry on October 17, 2021.

Where is Yifan Zhang located?

Yifan Zhang practices at 19400 Santa Maria Ave Rm P7p8, Castro Valley, CA 94546. The listed phone number is (510) 471-5880.

What is Yifan Zhang's specialty?

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

Is Yifan Zhang enrolled in Medicare?

Yes. Yifan Zhang is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Yifan Zhang was last updated on April 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.