XI ZHAI DO
NPI 1083148050
Family Medicine in Castro Valley, CA

Active since April 17, 2017PECOS Enrolled
100/100
CMS Quality Rating
19845 LAKE CHABOT RD STE 205, CASTRO VALLEY, CA 94546(510) 582-6424 Get Directions Write a Review

NPPES record last updated: March 6, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 6, 2022, Jul 23, 2020, Mar 24, 2020 and 2 more (5 updates tracked since 2017).

About Xi Zhai Do NPPES

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

XI ZHAI DO (NPI 1083148050) is an individual family medicine provider in Castro Valley, California, licensed in California (17505) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1083148050
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameXI ZHAICredential: DO
Location Address19845 LAKE CHABOT RD STE 205Castro Valley, CA 94546-4055
Mailing Address1231 Franklin Mall # 207Santa Clara, CA 95050-4806 · (650) 868-9812
Sole ProprietorYes
Enumeration DateApril 17, 2017
Last NPPES UpdateMarch 6, 20225 updates tracked since enumeration
NPPES CertifiedMarch 6, 2022
NPI 1083148050 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in CA · 17505
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.
Also ListedGeneral PracticeTaxonomy 208D00000X · License 17505 (CA)
19845 LAKE CHABOT RD STE 205, 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)

Xi Zhai Do 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability96
Improvement Activities40

Other Providers at the Same Location NPPES 5

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

Physical Therapist
19845 LAKE CHABOT RD STE 205
CASTRO VALLEY, CA 94546
Family Medicine
19845 LAKE CHABOT RD STE 205
CASTRO VALLEY, CA 94546
Nurse Practitioner (Family)
19845 LAKE CHABOT RD STE 205
CASTRO VALLEY, CA 94546
Family Medicine
19845 LAKE CHABOT RD STE 205
CASTRO VALLEY, CA 94546
Nurse Practitioner
19845 LAKE CHABOT RD STE 205
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 Xi Zhai's NPI number?

The NPI number for Xi Zhai is 1083148050. It was assigned to this individual provider in the NPPES registry on April 17, 2017.

Where is Xi Zhai located?

Xi Zhai practices at 19845 Lake Chabot Rd Ste 205, Castro Valley, CA 94546. The listed phone number is (510) 582-6424.

What is Xi Zhai's specialty?

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

Is Xi Zhai enrolled in Medicare?

Yes. Xi Zhai is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Xi Zhai was last updated on March 6, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.