WESLEY J. TSAI MD
NPI 1750455077
Hospitalist in Vallejo, CA

Active since November 20, 2006PECOS Enrolled
975 SERENO DR, VALLEJO, CA 94589(707) 651-1000 Get Directions Write a Review

NPPES record last updated: December 13, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Wesley J. Tsai Md NPPES

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

WESLEY J. TSAI MD (NPI 1750455077) is an individual hospitalist provider in Vallejo, California, licensed in California (A84962) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1750455077
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameWESLEY J. TSAICredential: MD
Location Address975 SERENO DRVallejo, CA 94589-2441
Mailing Address1800 Harrison St Fl 7Oakland, CA 94612-3466 · (510) 625-6262
Sole ProprietorNo
Enumeration DateNovember 20, 2006
Last NPPES UpdateDecember 13, 2021
NPI 1750455077 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License Licensed in CA · A84962
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
975 SERENO DR, Vallejo, CA 94589

Other Identifiers 1

Medicaid00A849620CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Wesley J. Tsai 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 94589 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
$145.83 typical visit price
range $65.02 – $191.95
Typical copayment $36.45 (range $16.25 – $47.98)
Most-billed visit code 99204
Established Patient
$113.05 typical visit price
range $21.86 – $157.69
Typical copayment $28.26 (range $5.46 – $39.42)
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.

Physical Medicine & Rehabilitation
975 SERENO DR
VALLEJO, CA 94589
Pharmacist
975 SERENO DR
VALLEJO, CA 94589
Student in an Organized Health Care Education/Training Program
975 SERENO DR
VALLEJO, CA 94589
Social Worker (Clinical)
975 SERENO DR
VALLEJO, CA 94589
Student in an Organized Health Care Education/Training Program
975 SERENO DR
VALLEJO, CA 94589
Anesthesiology
975 SERENO DR
VALLEJO, CA 94589
Family Medicine
975 SERENO DR
VALLEJO, CA 94589
Surgery
975 SERENO DR
VALLEJO, CA 94589

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 Wesley Tsai's NPI number?

The NPI number for Wesley Tsai is 1750455077. It was assigned to this individual provider in the NPPES registry on November 20, 2006.

Where is Wesley Tsai located?

Wesley Tsai practices at 975 Sereno Dr, Vallejo, CA 94589. The listed phone number is (707) 651-1000.

What is Wesley Tsai's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Wesley Tsai enrolled in Medicare?

Yes. Wesley Tsai is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Wesley Tsai was last updated on December 13, 2021. 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.