Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Nimish Thaker, MD

Individual provider Specialist · NPI 1871541961

Nimish Thaker, MD is an Urology in Ontario, California. Graduated from University of California, Geffen School of Medicine in 1994, 32 years ago. Practices as a sole proprietor, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
32
Trained at
University of California, Geffen School of Medicine
Licensed in
CA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1791 E Holt Blvd Unit 101
Ontario, CA 91761-2118
Phone: (909) 460-0354
Fax: (909) 460-0367
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Urology Physician (primary) Taxonomy 208800000X · Licence A74757 (CA)
Specialist Taxonomy 174400000X · Licence A747570 (CA)

Record details

NPI number1871541961
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 4, 2006
Last updated in NPPESMay 6, 2024
Certification dateMay 6, 2024
Mailing address1791 E Holt Blvd Unit 101, Ontario, CA 91761-2118

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyUROLOGY
Medical schoolUNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE
Graduated 1994 (32 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Other providers in Ontario