Jack W. Grinnan, M.D.
Urology Physician · Mesa, AZ
Jack W. Grinnan, M.D. is a urology physician with a practice address in Mesa, Arizona, and NPI 1487090288, issued on May 20, 2013. Check the license (Arizona 55776, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Jack W. Grinnan
- Credential
- M.D.
- Primary taxonomy
- Urology Physician 208800000X
- License number
- 55776 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 2530 E Southern Ave, Mesa, AZ 85204
- Phone
- (480) 834-4188
- Enumerated
- May 20, 2013
- Record last updated
- Mar 21, 2025
- Fax
- (480) 834-6181
- Medicaid ID
- 372496 AZ
- Medicare enrollment
- Enrolled (PECOS I20180726002270); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At San Antonio, 2013
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 2530 E Southern Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bryce Child, FNP-CFamily Nurse Practitioner1326867508
- Daniel Gilbert, D.O.Urology Physician1053632091
- Matthew Karlovsky, MDUrology Physician1568450666
- Jamie Larsen, PACMedical Physician Assistant1659410983
- Paige Levinsohn, FNP-BCNurse Practitioner1295545259
- Richard Merkley, M.D.Family Medicine Physician1326041096
Verify Jack W. Grinnan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 55776Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% more Medicare Part D claims than the average urology physician in 2024
2,232 Medicare Part D claims for 635 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. 65 claims were for opioids.
Most prescribed
- Tamsulosin Hcl718 claims
- Oxybutynin Chloride Er306 claims
- Finasteride228 claims
- Gemtesa129 claims
- Nitrofurantoin Mono-Macro77 claims
- Alfuzosin Hcl Er67 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,327.55
51 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 9,340 providers of this specialty with any payment received $3,800.04 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Arizona Urology Specialists PLLCPhoenix, AZ
- Chesapeake Urology Associates LLCBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Urology Physician providers in Arizona
There are 277 urology physician records in Arizona.
Other urology physician records in Arizona
- Haidar Abdul-Muhsin, M.B.CH.B.Scottsdale, AZ1356755250
- Jonathan Agins, MDGoodyear, AZ1316997687
- Kian Ahmadieh, MDGilbert, AZ1932697190
- Bernice Alcanzo, MDTucson, AZ1629822424
- Erik Alexander, MDScottsdale, AZ1073590014
- Kashif Alvi, MDMesa, AZ1407982887
- Andrew Amenyogbe, MDPhoenix, AZ1891674198
- Jack Andrews, M.D.Phoenix, AZ1396190336
- Paul Andrews, M.D.Phoenix, AZ1710962345
- Luis Argueso, M.D.Phoenix, AZ1750361879
Common questions
What is Jack W. Grinnan, M.D.'s NPI number?
Jack W. Grinnan, M.D.'s National Provider Identifier (NPI) is 1487090288, issued on May 20, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Jack W. Grinnan, M.D. located?
The NPPES record lists a practice address at 2530 E Southern Ave, Mesa, AZ, 85204. Phone: (480) 834-4188. Providers update this record themselves, so call before visiting.
How can I verify Jack W. Grinnan, M.D.'s license?
NPPES lists Arizona license number 55776, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jack W. Grinnan, M.D. prescribe under Medicare Part D?
In 2024, Jack W. Grinnan, M.D. had 2,232 Medicare Part D claims for 635 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.