Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CHRISTOPHER K TSAI M D INC.
NPI 1760675763
Urology in Upland, CA

Q: What is Christopher K Tsai M D Inc.'s NPI number?

The NPI number for Christopher K Tsai M D Inc. is 1760675763. It was assigned to this organization in the NPPES registry on August 22, 2007.

Q: What is Christopher K Tsai M D Inc.'s specialty?

The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.

Active since August 22, 2007

1175 E ARROW HWY, SUITE E, UPLAND, CA 91786(909) 985-9737(909) 981-1203 Get Directions Write a Review

NPPES record last updated: September 1, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

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About Christopher K Tsai M D Inc. NPPES

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

CHRISTOPHER K TSAI M D INC. (NPI 1760675763) is a healthcare organization registered as an urology in Upland, California and active in the NPI registry since August 2007. The organization lists John U Alvarez, Billing Manager, as its authorized official.

NPPES Registry Identity

NPI1760675763

Entity TypeOrganization

Primary Taxonomy208800000X

Legal Business NameCHRISTOPHER K TSAI M D INC.

Location Address1175 E ARROW HWY, SUITE EUpland, CA 91786-5525

Mailing Address1175 E Arrow Hwy, Suite EUpland, CA 91786-5525 · (909) 985-9737 · Fax (909) 981-1203

Phone(909) 985-9737

Fax(909) 981-1203

Organization SubpartNo

Authorized OfficialJohn U AlvarezBilling Manager · (909) 985-9737

Enumeration DateAugust 22, 2007

Last NPPES UpdateSeptember 1, 2026

NPPES CertifiedSeptember 1, 2026

✔ NPI 1760675763 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyUrologyAllopathic & Osteopathic Physicians

Taxonomy Code208800000X

License✔ Licensed in CA · A54843

Definition

A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.

1175 E ARROW HWY, Upland, CA 91786

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 6

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

DAKSHA ASHOK JAIN MD

Pediatrics

1175 E ARROW HWY, UNIT # M
UPLAND, CA 91786

San Bernardino County (909) 481-2494

SUNRISE ACUPUNCTURE MEDICAL CENTER

Acupuncturist

1175 E ARROW HWY, SUITE F
UPLAND, CA 91786

San Bernardino County (909) 981-1883

DOMINGUEZ PHARMACY LP

Pharmacy (Community/Retail Pharmacy)

1175 E ARROW HWY
UPLAND, CA 91786

San Bernardino County (909) 981-1009

MR. CHRISTOPHER K TSAI MD

Urology

1175 E ARROW HWY, SUITE E
UPLAND, CA 91786

San Bernardino County (909) 985-9737

SAN ANTONIO UROLOGY MEDICAL GROUP INC

Urology

1175 E ARROW HWY, SUITE E
UPLAND, CA 91786

San Bernardino County (909) 985-9737

KENNETH Y BAIK MD

Surgery

1175 E ARROW HWY, STE D
UPLAND, CA 91786

San Bernardino County (909) 920-3753

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 Christopher K Tsai M D Inc.'s NPI number?

The NPI number for Christopher K Tsai M D Inc. is 1760675763. It was assigned to this organization in the NPPES registry on August 22, 2007.

Where is Christopher K Tsai M D Inc. located?

Christopher K Tsai M D Inc. is located at 1175 E Arrow Hwy Suite E, Upland, CA 91786. The listed phone number is (909) 985-9737.

What is Christopher K Tsai M D Inc.'s specialty?

The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.

When was this NPI record last updated?

The NPPES record for Christopher K Tsai M D Inc. was last updated on September 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days 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.