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- 2373 G Rd, Suite 200, Grand Junction, CO 81505
About Dr. Nishiya
Mark Nishiya, MD is a healthcare provider in Grand Junction, CO specializing in urology. Mark trained at University of California, Davis School of Medicine, graduating in 1990. Medicare claims data shows Mark provided 1,451 services to 957 patients. The services billed most often include detection test by nucleic acid for organism, amplified probe technique, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and automated urinalysis test. This provider record is associated with NPI 1760411995.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (970) 243-3061
- Email not available
Practice Locations
2373 G RD SUITE 200
Grand Junction, CO 81505
Conditions Commonly Evaluated or Treated
Within Urology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Pediatric urology
- Hypospadias
- Posterior urethral valves
- Undescended testicle
Reconstructive and complex
- Urethral injury
- Urinary diversion complications
- Urinary tract fistula
- Urologic complications of kidney transplant
Most searched conditions
- Erectile dysfunction
- Kidney stones
- Overactive bladder
- Prostate cancer
- Urinary incontinence in women
- UTI
Bladder and urethra
- Bladder cancer
- Interstitial cystitis and bladder pain syndrome
- Urethral stricture
Kidney and ureter
Male reproductive and sexual health
- Hydrocele
- Male infertility
- Peyronie's disease
- Testicular and scrotal pain
- Testicular cancer
- Testicular torsion
- Testosterone deficiency
- Varicocele
Prostate
- Elevated PSA
- Enlarged prostate
- Prostatitis
Urinary symptoms and infection
- Blood in the urine
- Kidney infection
- Painful urination
- Recurrent urinary tract infections
- Urinary retention
Bladder & Urination
Kidney health
Men's health
- Chronic Pelvic Pain in Men
Urinary symptoms
Procedures & services
Bladder & bowel
Bladder and urinary
Bladder procedures
- Artificial Urinary Sphincter Implant
- Artificial urinary sphincter implantation
- Bladder Botox Injection
- Bladder instillation therapy
- Botulinum toxin injection into the bladder
- Percutaneous tibial nerve stimulation
- Radical bladder removal
- Sacral neuromodulation
- Sling surgery for stress incontinence
- Transurethral resection of bladder tumor
- Urinary diversion
Diagnostic imaging
- Prostate Ultrasound
Kidney & ureter procedures
- Ureteral Stent Removal
Kidney and ureter surgery
- Kidney and ureter removal
- Partial kidney removal
- Pyeloplasty
- Radical kidney removal
- Ureteral reconstruction
- Ureteral reimplantation
Male reproductive
- Hydrocele repair
- Penile implant surgery
- Surgical correction of penile curvature
- Testicle removal
- Varicocele repair
- Vasectomy reversal
Office diagnosis
- MRI-targeted fusion prostate biopsy
- Prostate biopsy
- Transrectal ultrasound of the prostate
- Urinary flow testing
- Urodynamic testing
- Urologic consultation
Prostate
- GreenLight Laser Prostate Surgery
Prostate procedures
- HoLEP Laser Prostate Surgery
- Laser enucleation of the prostate
- Laser vaporization of the prostate
- Prostatic urethral lift
- Rezum Water Vapor Therapy
- Robotic simple prostatectomy
- Transurethral resection of the prostate
- Water-vapor treatment for enlarged prostate
Reconstructive and pediatric
- Surgery for vesicoureteral reflux
- Urethral reconstruction
- Urinary fistula repair
Stone procedures
- Laser treatment of urinary stones
- Nephrostomy tube management
- Percutaneous kidney-stone removal
- Shock-wave treatment of kidney stones
- Ureteral stent placement
- Ureteroscopy
Most searched procedures
- Circumcision
- Cystoscopy
- Kidney stone removal
- Prostatectomy
- Vasectomy
Procedures Most Often Billed to Medicare
1,451 services · 957 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasound measurement of bladder capacity after voiding | Procedure | 51798 |
115 | As often as other peers in Urology |
| Insertion of artificial material for pelvic floor defect | Procedure | 57267 |
58 | Too few peers to compare |
| Diagnostic exam of bladder and urethra using an endoscope | Procedure | 52000 |
53 | As often as other peers in Urology |
| Creation of sling around urethra in female to control leakage | Procedure | 57288 |
33 | More often than most peers in Urology |
| Surgical repair of vaginal defect using an endoscope | Procedure | 57425 |
30 | More often than most peers in Urology |
| Plastic repair of vagina and tissue separating vagina, rectum, and bladder | Procedure | 57260 |
29 | Too few peers to compare |
| Injection of implant material beneath lining of bladder and/or urethra using an endoscope | Procedure | 51715 |
21 | More often than most peers in Urology |
| Electronic assessment of bladder emptying | Procedure | 51741 |
18 | Less often than most peers in Urology |
| Insertion of device into abdomen with pressure and urine flow rate study | Procedure | 51797 |
12 | Less often than most peers in Urology |
| Non-needle measurement and recording of electrical activity of muscles at bladder and bowel openings | Procedure | 51784 |
12 | Less often than most peers in Urology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other urologists at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 5
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 28 related providers in 4 groups
Other urologists in Grand Junction 4
Same specialty, same city.
Trained at University of California, Davis School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1990 at University of California, Davis School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Ultrasound measurement of bladder capacity after voiding 8
Providers in CO who bill this service to Medicare most often.
Common questions
What does Dr. Nishiya specialize in?
Dr. Nishiya is an urologist in Grand Junction, CO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Urology”.
NPI registry
Where is Dr. Nishiya located?
Dr. Nishiya is listed at 2373 G Rd Suite 200, Grand Junction, CO 81505. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Nishiya's phone number?
The number on file is (970) 243-3061. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Nishiya?
Dr. Nishiya's National Provider Identifier is 1760411995. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Nishiya go to medical school?
Dr. Nishiya attended University of California, Davis School of Medicine, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Nishiya have?
Dr. Nishiya has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Nishiya do most often?
According to Medicare billing data, Dr. Nishiya performs procedures including ultrasound measurement of bladder capacity after voiding, insertion of artificial material for pelvic floor defect and diagnostic exam of bladder and urethra using an endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Nishiya's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Nishiya. If this is you, claiming it is free.
Guide.md
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