Diane M. Gronski, MD
Endocrinology, Diabetes & Metabolism Physician · Glendale, AZ
Diane M. Gronski, MD is an endocrinology, diabetes & metabolism physician with a practice address in Glendale, Arizona, and NPI 1689624629, issued on May 11, 2006. Check the license (Arizona 22538, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Diane M. Gronski
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 22538 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 19875 N 51St Ave, Glendale, AZ 85308
- Phone
- (623) 581-8998
- Enumerated
- May 11, 2006
- Record last updated
- May 4, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (623) 581-6461
- Medicaid ID
- 167701 AZ
- Medicare enrollment
- Enrolled (PECOS I20060310000241); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 1989
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 175 in Arizona → Look up another NPI →
Also registered at 19875 N 51St Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Diane M. Gronski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 22538Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average endocrinology, diabetes & metabolism physician in 2024
7,620 Medicare Part D claims for 978 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 54% of claims.
Most prescribed
- Levothyroxine Sodium1,357 claims
- Ozempic480 claims
- Farxiga397 claims
- Metformin Hcl376 claims
- Synthroid252 claims
- Soliqua 100-33226 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.
The MIPS final score for 2023 (Medicare payment program): 13.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $3,270.14
109 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 5,661 providers of this specialty with any payment received $5,742.15 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 one group practice
- Sonoran Medical CentersGlendale, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diane M. Gronski among 175 endocrinology, diabetes & metabolism physician records in Arizona
Diane M. Gronski, MD is one of 175 endocrinology, diabetes & metabolism physician records with a practice address in Arizona. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 61% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1989 · median 2005 among the 107 with a school on file
- Record last updated2020 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Arizona
There are 175 endocrinology, diabetes & metabolism physician records in Arizona.
All 175 in Arizona → Every provider in Glendale → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Jasjeet Kaur, MDGlendale, AZ 853081417979907
- Pawarid Techathaveewat, D.O.Glendale, AZ 853081184088809
- Jordan Sennett, M.D.Glendale, AZ 853061093736209
- Shabeena Shaik, M.DGilbert, AZ 852971821276544
- Devendra Wadwekar, MDGilbert, AZ 852971174504534
- Deepti Bahl, MDChandler, AZ 852861003098070
- Marwa Saleem, M.D.Chandler, AZ 852861871968198
- Laura Knecht, M.D.Cave Creek, AZ 853311477752236
Common questions
What is Diane M. Gronski, MD's NPI number?
Diane M. Gronski, MD's National Provider Identifier (NPI) is 1689624629, issued on May 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Diane M. Gronski, MD located?
The NPPES record lists a practice address at 19875 N 51St Ave, Glendale, AZ, 85308. Phone: (623) 581-8998. Providers update this record themselves, so call before visiting.
How can I verify Diane M. Gronski, MD's license?
NPPES lists Arizona license number 22538, 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 Diane M. Gronski, MD prescribe under Medicare Part D?
In 2024, Diane M. Gronski, MD had 7,620 Medicare Part D claims for 978 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Diane M. Gronski, MD's MIPS final score?
The 2023 MIPS final score is 13.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.