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JONATHAN CHUN MING TSANG
NPI 1225563299
General Practice in San Mateo, CA

Active since April 26, 2017PECOS EnrolledAccepts Medicare Assignment
222 WEST 39TH AVENUE, RESIDENCY OFFICE, SAN MATEO, CA 94403(650) 573-2222 Get Directions Write a Review

NPPES record last updated: July 18, 2019. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 18, 2019, Sep 11, 2018, Apr 26, 2017 (3 updates tracked since 2017).

About Jonathan Chun Ming Tsang NPPES

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

JONATHAN CHUN MING TSANG (NPI 1225563299) is an individual general practice provider in San Mateo, California, licensed in California (157766) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS, maintains a secondary practice location in New York, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1225563299
Entity TypeIndividualMale
Primary Taxonomy208D00000X
Provider Legal NameJONATHAN CHUN MING TSANG
Location Address222 WEST 39TH AVENUE, RESIDENCY OFFICESan Mateo, CA 94403
Mailing Address222 West 39th Avenue, Residency OfficeSan Mateo, CA 94403 · (650) 573-2222
Phone(650) 573-2222
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateApril 26, 2017
Last NPPES UpdateJuly 18, 20193 updates tracked since enumeration
✔ NPI 1225563299 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
License✔ Licensed in CA · 157766
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License A157766 (CA)
222 WEST 39TH AVENUE, San Mateo, CA 94403
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Secondary Practice Location 1

Location 150 E 98th St, Ste 3H Rm 2New York, NY 10029-6552 · Phone (929) 253-1007

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

Jonathan Chun Ming Tsang 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 ID7315369154
PECOS Enrollment IDI20200708001344
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

2

Medicare enrollment records show Jonathan Chun Ming Tsang reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

County Of San Mateo
Same address
Multi-Specialty
222 W 39TH AVE
San Mateo, CA 94403
  • Reassigned Medicare billing, California enrollment
  • Also billed through NPI 1114005105 (California)
  • 430 clinicians in this Medicare group
NPI 1831268580 (650) 573-3702
County Of Santa Clara
11 mi
Mental Health (Including Community Mental Health Center)
231 GRANT AVENUE
Palo Alto, CA 94306
  • Reassigned Medicare billing, California enrollment
  • Also billed through NPI 1043354020 (California), NPI 1629301346 (California)
  • 2,460 clinicians in this Medicare group
NPI 1144330614 (650) 321-5545

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychiatric diagnostic evaluation with medical services 90792
A psychiatric diagnostic evaluation with medical services is a comprehensive assessment. It includes a detailed examination of your mental health and physical wellbeing, as well as your personal and family history. This evaluation aids in creating an effective treatment plan.
49 services42 patients

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 Jonathan Chun Ming Tsang's NPI number?

The NPI number for Jonathan Chun Ming Tsang is 1225563299. It was assigned to this individual provider in the NPPES registry on April 26, 2017.

Where is Jonathan Chun Ming Tsang located?

Jonathan Chun Ming Tsang practices at 222 West 39th Avenue Residency Office, San Mateo, CA 94403. The listed phone number is (650) 573-2222.

What is Jonathan Chun Ming Tsang's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is Jonathan Chun Ming Tsang enrolled in Medicare?

Yes. Jonathan Chun Ming Tsang 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 Jonathan Chun Ming Tsang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jonathan Chun Ming Tsang reassigns Medicare benefits to 2 organizations: County Of San Mateo (San Mateo, CA) and County Of Santa Clara (Palo Alto, 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 Jonathan Chun Ming Tsang'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 Jonathan Chun Ming Tsang was last updated on July 18, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.