Physician Profile
Unclaimed ProfileAbout GRINNAN
Jack W Grinnan, M.D. is a healthcare provider in Mesa, AZ specializing in urology. Jack trained at University of Texas Medical School at San Antonio, graduating in 2013. Jack is also listed as specializing in student in an organized health care education program. According to Medicare claims data, Jack cared for 1,678 Medicare patients across 2,587 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (480) 834-4188
- Email not available
Practice Locations
2530 E SOUTHERN AVE
Mesa, AZ 85204
Procedures Most Often Billed to Medicare
2,587 services · 1,678 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Ultrasound measurement of bladder capacity after voiding | Procedure | 51798 |
124 |
| Diagnostic exam of bladder and urethra using an endoscope | Procedure | 52000 |
67 |
| Diagnostic exam of bladder and urethra using an endoscope | Procedure | 52000 |
48 |
| Crushing of stone of ureter with insertion of stent using an endoscope | Procedure | 52356 |
17 |
| Insertion of stent in ureter using an endoscope | Procedure | 52332 |
17 |
| Biopsy of prostate gland | Procedure | 55700 |
16 |
| Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope | Procedure | 52310 |
16 |
| Limited ultrasound scan of pelvis | Imaging | 76857 |
73 |
| Limited ultrasound scan behind abdominal cavity | Imaging | 76775 |
58 |
| Complete ultrasound scan behind abdominal cavity | Imaging | 76770 |
41 |
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 urology specialists at this location 5
Same specialty, same street address — most likely the same department or group.
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.
Other urology specialists in Mesa 6
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Texas Medical School at San Antonio 8
Other providers in the same specialty who trained at the same institution.
Class of 2013 at University of Texas Medical School at San Antonio 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 AZ who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Grinnan?
Dr. Grinnan is an urology in Mesa, AZ. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “UROLOGY”.
NPI registry
What is Dr. Grinnan's address?
Dr. Grinnan is listed at 2530 E SOUTHERN AVE, Mesa, AZ 85204. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Grinnan?
The number on file is (480) 834-4188. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Grinnan's NPI number?
Dr. Grinnan's National Provider Identifier is 1487090288. 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. Grinnan train?
Dr. Grinnan attended University of Texas Medical School at San Antonio, graduating in 2013. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Grinnan been practicing?
Dr. Grinnan has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Grinnan perform?
According to Medicare billing data, Dr. Grinnan performs procedures including ultrasound measurement of bladder capacity after voiding, diagnostic exam of bladder and urethra using an endoscope and crushing of stone of ureter with insertion of stent using an endoscope; reads or performs imaging such as limited ultrasound scan of pelvis and limited ultrasound scan behind abdominal cavity, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Grinnan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Grinnan. If this is you, claiming it is free.
Guide.md
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.