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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

WILLIAM YANG MD
NPI 1265148050
Family Medicine in Elk Grove, CA

Active since January 25, 2023PECOS Enrolled
9201 BIG HORN BLVD, ELK GROVE, CA 95758(844) 832-1956(916) 478-5100 Get Directions Write a Review

NPPES record last updated: August 21, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 21, 2026, May 12, 2023, Jan 25, 2023 (3 updates tracked since 2023).

About William Yang Md NPPES

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

WILLIAM YANG MD (NPI 1265148050) is an individual family medicine provider in Elk Grove, California, licensed in California (211453) and active in the NPI registry since January 2023. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1265148050
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameWILLIAM YANGCredential: MD
Location Address9201 BIG HORN BLVDElk Grove, CA 95758-1240
Mailing Address10208 Trail Blaze CtElk Grove, CA 95757-5053 · (925) 548-8159
Phone(844) 832-1956
Fax(916) 478-5100
Sole ProprietorNo
Enumeration DateJanuary 25, 2023
Last NPPES UpdateAugust 21, 20263 updates tracked since enumeration
NPPES CertifiedAugust 21, 2026
✔ NPI 1265148050 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · 211453
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
9201 BIG HORN BLVD, Elk Grove, CA 95758
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William Yang Md 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 95758 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
$92.61 typical visit price
range $60.44 – $180.85
Typical copayment $23.15 (range $15.11 – $45.21)
Most-billed visit code 99203
Established Patient
$105.95 typical visit price
range $19.88 – $148.15
Typical copayment $26.48 (range $4.97 – $37.03)
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.

KIMBERLY T JOHNSON LCSW
Social Worker (Clinical)
9201 BIG HORN BLVD
ELK GROVE, CA 95758
Sacramento County (916) 478-5861
DR. JEANNE MARIE TAYLOR DO
Family Medicine
9201 BIG HORN BLVD
ELK GROVE, CA 95758
Sacramento County (916) 478-5100
MORIAH MYLES LMFT 153459
Marriage & Family Therapist
9201 BIG HORN BLVD
ELK GROVE, CA 95758
Sacramento County (916) 478-5878
DR. CHUNG-YIN STANLEY CHAN M.D.
Dermatology
9201 BIG HORN BLVD
ELK GROVE, CA 95758
Sacramento County (916) 478-5660
MARY P MANU
Nurse Practitioner
9201 BIG HORN BLVD
ELK GROVE, CA 95758
Sacramento County (916) 478-5100
JOSE V. SUMAQUIAL MD
Family Medicine
9201 BIG HORN BLVD
ELK GROVE, CA 95758
Sacramento County (916) 478-5000
KRISTIN G LEACH MD
Family Medicine
9201 BIG HORN BLVD
ELK GROVE, CA 95758
Sacramento County (916) 478-5000
ANA LYNN THOM
Registered Nurse (Administrator)
9201 BIG HORN BLVD
ELK GROVE, CA 95758
Sacramento County (916) 478-5786

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 William Yang's NPI number?

The NPI number for William Yang is 1265148050. It was assigned to this individual provider in the NPPES registry on January 25, 2023.

Where is William Yang located?

William Yang practices at 9201 Big Horn Blvd, Elk Grove, CA 95758. The listed phone number is (844) 832-1956.

What is William Yang's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is William Yang enrolled in Medicare?

Yes. William Yang is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for William Yang was last updated on August 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 days 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.