John E. Brunner, M.D.
Endocrinology, Diabetes & Metabolism Physician · Traverse City, MI
John E. 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 (LARA); the Medicare figures below come from public CMS files.
- Name
- John E. 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
- Record last updated
- Feb 28, 2023
- Fax
- (231) 935-3420
- Medicaid ID
- 0735673 OH
- Medicare enrollment
- Enrolled (PECOS I20230307000870); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 270 in Michigan → Look up another NPI →
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 E. Brunner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
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
39% 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 2,630 among the 8,223 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 MIPS final score for 2023 (Medicare payment program): 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; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. 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.
One hospital affiliation
- Munson Medical CenterTraverse City, MI · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
John E. Brunner among 270 endocrinology, diabetes & metabolism physician records in Michigan
John E. Brunner, M.D. is one of 270 endocrinology, diabetes & metabolism physician records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1980 · median 2004 among the 195 with a school on file
- Record last updated2023 · 60% 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 Michigan 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 Michigan
There are 270 endocrinology, diabetes & metabolism physician records in Michigan.
All 270 in Michigan → Every provider in Traverse City → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Firdhous Alimathunisa Abdul Kather, MDTraverse City, MI 496841871015560
- Mary Beal, M.D.Traverse City, MI 496841982798583
- John Faichney, MDTraverse City, MI 496841073544870
- Karla Giese, CFNPTraverse City, MI 496841780676262
- Jill Vollbrecht, MDTraverse City, MI 496841013130525
- Manuel Chavarri, M.D.Alpena, MI 497071033102132
- Rebecca Norris, M.D.Kewadin, MI 496481598871519
- Ruggero Battan, MDGrand Rapids, MI 495031134150147
Common questions
What is John E. Brunner, M.D.'s NPI number?
John E. 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 E. 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 E. Brunner, M.D.'s license?
NPPES lists Michigan license number 4301044585, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John E. Brunner, M.D. prescribe under Medicare Part D?
In 2024, John E. Brunner, M.D. had 1,596 Medicare Part D claims for 269 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is John E. Brunner, M.D.'s MIPS final 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), 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.