What is Mark Nishiya's specialty?

Mark Nishiya (NPI 1760411995) is a Medicare-billing provider whose primary specialty is Urology in Grand Junction, CO.

Where does Mark Nishiya practice?

Mark Nishiya practices in Grand Junction, CO, based on the location reported in the CMS Medicare provider datasets for NPI 1760411995.

How much does Medicare pay Mark Nishiya?

Mark Nishiya (NPI 1760411995) received approximately $141K in total Medicare Part B payments, serving 289 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1760411995

Mark NishiyaMD

UrologyGrand Junction, COI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

957

Unique beneficiaries

—

Total services

1,451

Distinct HCPCS

Medicare payment

$117K

Peer benchmark

Total Medicare services vs. 166 Urology providers in CO — below median (cohort median 2,677).

PRESCRIBING · PART D · 2024

Total Rx claims

260

Beneficiaries

—

Total drug cost

$10K

Distinct drugs

Brand share

39.6%

Top prescribed drugs

Cephalexin59 claims

Oxybutynin Chloride45 claims

Estradiol36 claims

Tamsulosin Hcl30 claims

Nitrofurantoin Macrocrystal23 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$69

Payment records

By payment type

Food and Beverage$69

Top paying entities

Food and Beverage$69

REFERRAL NETWORK

Where Mark Nishiya's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 13 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
COLORADO WEST HEALTHCARE SYSTEM	192	735
Michael Murray Urology · Grand Junction, CO	34	96
TARMAN, GREGORY	30	77
QUALLS, TRACI	26	64
Caleb Stepan Urology · Grand Junction, CO	24	66
MONTROSE MEMORIAL HOSPITAL, INC	21	78
Laurel Bartholomay Obstetrics & Gynecology · Grand Junction, CO	21	56
Jolynn Miller Physician Assistant · Fort Wayne, IN	21	67
Geoffrey Scriver Interventional Radiology · Burlington, VT	21	52
Kathryn Knaysi Physical Therapist in Private Practice · Grand Junction, CO	17	51
Anthony Bullard Diagnostic Radiology · Grand Junction, CO	16	33
DELTA COUNTY MEMORIAL HOSPITAL	15	73

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events