John Brunner, M.D.
Endocrinology, Diabetes & Metabolism Physician · Traverse City, MI
John Brunner, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Traverse City, Michigan, and NPI 1245236793, issued on Jun 21, 2005. Check the license (Michigan 4301044585, as entered in NPPES) on the Michigan Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- John Brunner
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 4301044585 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1221 Sixth St Ste 208, Traverse City, MI 49684
- Phone
- (231) 935-2045
- Enumerated
- Jun 21, 2005
- Entity
- Type 1 · individual
Also registered at 1221 Sixth St Ste 208
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Firdhous Alimathunisa Abdul Kather, MDEndocrinology, Diabetes & Metabolism Physician1871015560
- Cheryl DevriesHealth Educator1164065587
- Gail Friedrick, PAPhysician Assistant1720361090
- Karla Giese, CFNPEndocrinology, Diabetes & Metabolism Physician1780676262
- Alison Quiring, N.P.Adult Health Nurse Practitioner1245522994
- Bridgett WidrigHealth Educator1417590837
Verify John Brunner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine
Search for license 4301044585Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
42% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
1,596 Medicare Part D claims for 269 beneficiaries, against an average of 2,739 among the 6,176 providers of this specialty who prescribed in Part D. Brand-name drugs were 42% of claims.
Most prescribed
- Levothyroxine Sodium333 claims
- Hydrocortisone85 claims
- Jardiance56 claims
- Methimazole49 claims
- Testosterone48 claims
- Prednisone47 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 practice group's Medicare quality score for 2023: 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $148.17
8 payments, mostly food and beverage; the largest payer was Lilly USA, LLC. The 4,299 providers of this specialty with any payment received $6,068.67 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.
One hospital or facility affiliation
- Munson Medical CenterTraverse City, MI · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Endocrinology, Diabetes & Metabolism Physician providers in Michigan
There are 167 endocrinology, diabetes & metabolism physician records in Michigan.
Other endocrinology, diabetes & metabolism physician records in Michigan
- Firdhous Alimathunisa Abdul Kather, MDTraverse City, MI1871015560
- Ahmad Abu Limon, MDEast Lansing, MI1881080406
- Dania Abushanab, M.D.Dearborn, MI1376962514
- Ali Achira, M.DDearborn, MI1427345065
- Naseer Ahmad, M.D.Farmington Hills, MI1063423317
- Saadiah Ahmed, D.O.Saint Clair Shores, MI1649486044
- Saleh Al Dasouqi, MDEast Lansing, MI1710928015
- Mazen Al Mushref, M.D.Grosse Pointe Woods, MI1356781256
- Abdul Al-Kassab, MDRochester Hills, MI1477560308
- Majdi Al-Najjar, MDSaint Joseph, MI1578540852
Common questions
What is John Brunner, M.D.'s NPI number?
John Brunner, M.D.'s National Provider Identifier (NPI) is 1245236793, issued on Jun 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John Brunner, M.D. located?
The NPPES record lists a practice address at 1221 Sixth St Ste 208, Traverse City, MI, 49684. Phone: (231) 935-2045. Providers update this record themselves, so call before visiting.
How can I verify John Brunner, M.D.'s license?
NPPES lists Michigan license number 4301044585, as entered by the provider. Search the Michigan Board of Medicine at https://www.michigan.gov/lara/bureau-list/bpl/health/hp-lic-health-prof/medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Brunner, M.D. prescribe under Medicare Part D?
In 2024, John Brunner, M.D. had 1,596 Medicare Part D claims for 269 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,739. Part D covers Medicare prescriptions only.
What is John Brunner, M.D.'s Medicare quality score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.