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TSUNG TSO TSAI M.D.
NPI 1629250394
General Practice in Ontario, CA

Active since December 04, 2007PECOS EnrolledAccepts Medicare Assignment
2295 S VINEYARD AVE, BUILDING A, ONTARIO, CA 91761(888) 750-0036 Get Directions Write a Review

NPPES record last updated: November 30, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Tsung Tso Tsai M.d. NPPES

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

TSUNG TSO TSAI M.D. (NPI 1629250394) is an individual general practice provider in Ontario, California, licensed in California (A114112) and active in the NPI registry since December 2007. He is enrolled in Medicare PECOS and is a graduate of Other (2004).

NPPES Registry Identity

NPI1629250394
Entity TypeIndividualMale
Primary Taxonomy208D00000X
Provider Legal NameTSUNG TSO TSAICredential: M.D.
Location Address2295 S VINEYARD AVE, BUILDING AOntario, CA 91761-7925
Mailing Address2295 S Vineyard Ave, Building AOntario, CA 91761-7925 · (888) 750-0036
Phone(888) 750-0036
Sole ProprietorYes
Medical School CMSOtherGraduated 2004
Enumeration DateDecember 4, 2007
Last NPPES UpdateNovember 30, 2021
NPPES CertifiedNovember 30, 2021
✔ NPI 1629250394 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
License✔ Licensed in CA · A114112
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 ListedInternal MedicineTaxonomy 207R00000X · License A114112 (CA)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 57.013814 (OH)
2295 S VINEYARD AVE, Ontario, CA 91761
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Other Names 1

Professional Name (2)Tsung-tso Tsai M.d.

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

Tsung Tso Tsai M.d. 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 ID143407155
PECOS Enrollment IDI20110531000351
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.

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
18 services11 patients

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.

DR. BENJAMIN MAURICE KERSHBERG M.D.
Pediatrics
2295 S VINEYARD AVE, MOB A
ONTARIO, CA 91761
San Bernardino County (909) 724-2554
MS. CHRISTINE RAMOS PHARM.D.
Pharmacist
2295 S VINEYARD AVE
ONTARIO, CA 91761
San Bernardino County (909) 724-7640
DORIS WU
Pharmacist
2295 S VINEYARD AVE
ONTARIO, CA 91761
San Bernardino County (909) 724-3120
LINA SALEHIAN
Pharmacist
2295 S VINEYARD AVE
ONTARIO, CA 91761
San Bernardino County (909) 724-2126
JENNIFER RHEE
Pharmacist
2295 S VINEYARD AVE
ONTARIO, CA 91761
San Bernardino County (909) 724-3500
MANUEL JOSE SALAS PHARM.D.
Pharmacist
2295 S VINEYARD AVE
ONTARIO, CA 91761
San Bernardino County (909) 724-7640
THUONG VU FNP
Nurse Practitioner (Family)
2295 S VINEYARD AVE
ONTARIO, CA 91761
San Bernardino County (833) 574-2273
LIAN LIU MPH, RD, CDE
Dietitian, Registered
2295 S VINEYARD AVE
ONTARIO, CA 91761
San Bernardino County (909) 724-5000

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 Tsung Tsai's NPI number?

The NPI number for Tsung Tsai is 1629250394. It was assigned to this individual provider in the NPPES registry on December 4, 2007. The provider is also known as Tsung-Tso Tsai M.D..

Where is Tsung Tsai located?

Tsung Tsai practices at 2295 S Vineyard Ave Building A, Ontario, CA 91761. The listed phone number is (888) 750-0036.

What is Tsung Tsai's specialty?

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

Is Tsung Tsai enrolled in Medicare?

Yes. Tsung Tsai 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 Tsung Tsai was last updated on November 30, 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.