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

Mark Nishiya, MD

Individual provider Urology Physician · NPI 1760411995

Mark Nishiya, MD is an Urology in Grand Junction, Colorado. Graduated from University of California, Davis School of Medicine in 1990, 36 years ago. Practices with Eastern Rio Blanco County Health Service District, a 41-clinician group and accepts Medicare assignment. Licensed in Colorado.

Years since qualifying
36
Trained at
University of California, Davis School of Medicine
Licensed in
CO
In the registry since
2006
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

2373 G Rd Ste 200
Grand Junction, CO 81505-9641
Phone: (970) 243-3061
Fax: (970) 245-8369
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Urology Physician (primary) Taxonomy 208800000X · Licence 330113 (CO)

Record details

NPI number1760411995
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 1, 2006
Last updated in NPPESSeptember 8, 2025
Certification dateSeptember 8, 2025
Mailing address2373 G Rd, Suite 200, Grand Junction, CO 81505-9641

Medicare enrollment

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

Medicare specialtyUROLOGY
Medical schoolUNIVERSITY OF CALIFORNIA, DAVIS SCHOOL OF MEDICINE
Graduated 1990 (36 years in practice)
Group practice Eastern Rio Blanco County Health Service District — 41 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Grand Junction