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ALLAN ZEXIONG TANG MD
NPI 1245980200
Family Medicine in San Jose, CA

Active since March 24, 2022PECOS EnrolledAccepts Medicare Assignment
746 THE ALAMEDA STE 10, SAN JOSE, CA 95126(888) 663-6331(415) 252-7176 Get Directions Write a Review

NPPES record last updated: May 14, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 14, 2026, Mar 26, 2026 (2 updates tracked since 2026).

About Allan Zexiong Tang Md NPPES

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

ALLAN ZEXIONG TANG MD (NPI 1245980200) is an individual family medicine provider in San Jose, California, licensed in California (A189538) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS, maintains a secondary practice location in San Jose, and is a graduate of University Of Washington School Of Medicine (2022).

NPPES Registry Identity

NPI1245980200
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameALLAN ZEXIONG TANGCredential: MD
Location Address746 THE ALAMEDA STE 10San Jose, CA 95126-3178
Mailing Address1 Embarcadero Ctr Ste 1900San Francisco, CA 94111-3723 · (415) 658-6791 · Fax (415) 520-0904
Phone(888) 663-6331
Fax(415) 252-7176
Sole ProprietorNo
Medical School CMSUniversity Of Washington School Of MedicineGraduated 2022
Enumeration DateMarch 24, 2022
Last NPPES UpdateMay 14, 20262 updates tracked since enumeration
NPPES CertifiedMay 14, 2026
✔ NPI 1245980200 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 · A189538
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.
746 THE ALAMEDA STE 10, San Jose, CA 95126
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Secondary Practice Location 1

Location 12880 Story Rd Ste 10San Jose, CA 95127-3942 · Phone (408) 729-9700

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

Allan Zexiong Tang 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 ID1254878028
PECOS Enrollment IDI20250129001275
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

3

Medicare enrollment records show Allan Tang reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Permanente Medical Group Inc
5.1 mi
Internal Medicine
710 LAWRENCE EXPRESSWAY
Santa Clara, CA 95051
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1073606299 (408) 851-1000
Bay Area Community Health
14 mi
Federally Qualified Health Center (FQHC)
40910 FREMONT BLVD
Fremont, CA 94538
  • Reassigned Medicare billing, California enrollment
  • 127 clinicians in this Medicare group
NPI 1780054379 (510) 770-8133
One Medical Group, Inc.
42 mi
Family Medicine
2 EMBARCADERO CTR LBBY LEVEL
San Francisco, CA 94111
  • Reassigned Medicare billing, California enrollment
  • 291 clinicians in this Medicare group
NPI 1467781641 (415) 578-3100

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 95126 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
$106.47 typical visit price
range $70.37 – $206.04
Typical copayment $26.61 (range $17.59 – $51.51)
Most-billed visit code 99203
Established Patient
$121.77 typical visit price
range $23.96 – $169.60
Typical copayment $30.44 (range $5.99 – $42.40)
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 5

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

MS. GERALDIN ROMIS NP-C, RN, PA-C
Nurse Practitioner
746 THE ALAMEDA STE 10
SAN JOSE, CA 95126
Santa Clara County (888) 663-6331
YOUSUF SHAMSIE DO
Family Medicine
746 THE ALAMEDA STE 10
SAN JOSE, CA 95126
Santa Clara County (408) 228-1020
JUYEON LEE
Family Medicine
746 THE ALAMEDA STE 10
SAN JOSE, CA 95126
Santa Clara County (888) 663-6331
SREELATA KINTALA
Family Medicine
746 THE ALAMEDA STE 10
SAN JOSE, CA 95126
Santa Clara County (408) 228-1020
HAYLEY DO
Physician Assistant
746 THE ALAMEDA STE 10
SAN JOSE, CA 95126
Santa Clara County (888) 663-6331

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 Allan Tang's NPI number?

The NPI number for Allan Tang is 1245980200. It was assigned to this individual provider in the NPPES registry on March 24, 2022.

Where is Allan Tang located?

Allan Tang practices at 746 The Alameda Ste 10, San Jose, CA 95126. The listed phone number is (888) 663-6331.

What is Allan Tang's specialty?

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

Is Allan Tang enrolled in Medicare?

Yes. Allan Tang 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.

Which organizations bill Medicare for Allan Tang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Allan Tang reassigns Medicare benefits to 3 organizations: Permanente Medical Group Inc (Santa Clara, CA), Bay Area Community Health (Fremont, CA) and One Medical Group, Inc. (San Francisco, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Allan Tang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Allan Tang was last updated on May 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.