Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

XI CHEN MD
NPI 1902434970
Family Medicine in San Francisco, CA

Active since March 27, 2020PECOS EnrolledAccepts Medicare Assignment
840 IRVING ST, SAN FRANCISCO, CA 94122(888) 663-6331(415) 252-7176 Get Directions Write a Review

NPPES record last updated: July 6, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 6, 2026, Mar 22, 2026, Jun 6, 2023 and 1 more (4 updates tracked since 2020).

About Xi Chen Md NPPES

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

XI CHEN MD (NPI 1902434970) is an individual family medicine provider in San Francisco, California, licensed in California (A185823) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1902434970
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameXI CHENCredential: MD
Location Address840 IRVING STSan Francisco, CA 94122-2311
Mailing Address1 Embarcadero Ctr Ste 1900San Francisco, CA 94111-3723 · (415) 658-6791 · Fax (415) 520-0904
Fax(415) 252-7176
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateMarch 27, 2020
Last NPPES UpdateJuly 6, 20264 updates tracked since enumeration
NPPES CertifiedJuly 6, 2026
NPI 1902434970 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 · A185823
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.

840 IRVING ST, San Francisco, CA 94122

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Xi Chen Md 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 ID648631390
PECOS Enrollment IDI20230728000487
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 94122 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 12

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

Nurse Practitioner
840 IRVING ST
SAN FRANCISCO, CA 94122
Physician Assistant
840 IRVING ST
SAN FRANCISCO, CA 94122
Physician Assistant
840 IRVING ST
SAN FRANCISCO, CA 94122
Nurse Practitioner (Family)
840 IRVING ST
SAN FRANCISCO, CA 94122
Nurse Practitioner
840 IRVING ST
SAN FRANCISCO, CA 94122
Physician Assistant
840 IRVING ST
SAN FRANCISCO, CA 94122
Nurse Practitioner (Family)
840 IRVING ST
SAN FRANCISCO, CA 94122
Internal Medicine (Geriatric Medicine)
840 IRVING ST
SAN FRANCISCO, CA 94122

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 Chen's NPI number?

The NPI number for Xi Chen is 1902434970. It was assigned to this individual provider in the NPPES registry on March 27, 2020.

Where is Xi Chen located?

Xi Chen practices at 840 Irving St, San Francisco, CA 94122. The listed phone number is (888) 663-6331.

What is Xi Chen's specialty?

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

Is Xi Chen enrolled in Medicare?

Yes. Xi Chen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Xi Chen was last updated on July 6, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.