NPPES file of Aug 9, 2026

Hunter Geoffrey Brumblay, M.D.

Neurological Surgery Physician · Kalamazoo, MI

Hunter Geoffrey Brumblay, M.D. is a neurological surgery physician with a practice address in Kalamazoo, Michigan, and NPI 1881716959, issued on Apr 6, 2007. Check the license (Michigan 4301079659, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1881716959
Name
Hunter Geoffrey Brumblay
Credential
M.D.
Primary taxonomy
Neurological Surgery Physician 207T00000X
License number
4301079659 MI
Self-reported in NPPES; status is on the state search
Practice location
601 John St Ste M-124, Kalamazoo, MI 49007
Phone
(269) 341-7500
Enumerated
Apr 6, 2007
Record last updated
Jun 4, 2025
Medicare enrollment
Enrolled (PECOS I20090716000195); accepts Medicare assignment
Medical or professional school
University Of Vermont College Of Medicine, 2002
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 601 John St Ste M-124

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Madison AuitoPhysician Assistant1720933567
  2. Lindsay Bliss, D.O.Neurology Physician1477904332
  3. John Bunka, DONeurology Physician1457611956
  4. Tatiana Burkholder, DNPAcute Care Nurse Practitioner1598306052
  5. Liane Ciotola, PA-CPhysician Assistant1013897768
  6. Liza Davis, AGPC-NPNurse Practitioner1275125015

Verify Hunter Geoffrey Brumblay in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301079659
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

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60% fewer Medicare Part D claims than the average neurological surgery physician in 2024

69 Medicare Part D claims for 44 beneficiaries, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 29 claims were for opioids.

  1. Hunter Brumblay69
  2. Specialty average172

Most prescribed

  1. Oxycodone Hcl26 claims
  2. Tizanidine Hcl17 claims
  3. Gabapentin13 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): 82 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.

  1. Qualityout of 100 · 30% of the final score100.0
  2. Costout of 100 · 30%90.1
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $7,063.25

6 payments; by number, the most common kind was royalty or license; the largest payer was Globus Medical, Inc. The 5,377 providers of this specialty with any payment received $14,925.58 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Hunter Brumblay$7,063
  2. Specialty average$14,926

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

2 hospitals and group practices

  1. Bronson Methodist HospitalKalamazoo, MI · Acute Care Hospitals4 of 5 stars
  2. Ascension Medical Group PromedKalamazoo, MI

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.

Hunter Geoffrey Brumblay among 289 neurological surgery physician records in Michigan

Hunter Geoffrey Brumblay, M.D. is one of 289 neurological surgery physician records with a practice address in Michigan. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 39% of them.

  • NPI issued2007 · 39% of these records are older, 46% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2002 · median 2003 among the 178 with a school on file
  • Record last updated2025 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurological Surgery Physician providers in Michigan

There are 289 neurological surgery physician records in Michigan.

The 8 neurological surgery physician records with the nearest ZIP codes

  1. Alain Fabi, MDKalamazoo, MI 490071760462121
  2. Svetlana Kvint, M.D.Kalamazoo, MI 490071952755357
  3. Eriks Lusis, M.D.Kalamazoo, MI 490071093812349
  4. Romolo Russo, M.D.Kalamazoo, MI 490071821030214
  5. Raghu Singh, MDKalamazoo, MI 490071699755033
  6. Chris Sloffer, M.D.Kalamazoo, MI 490071073638185
  7. Swetha Sundar, M.D.Kalamazoo, MI 490071669834081
  8. Daryl Warder, MDKalamazoo, MI 490071942278106

Common questions

What is Hunter Geoffrey Brumblay, M.D.'s NPI number?

Hunter Geoffrey Brumblay, M.D.'s National Provider Identifier (NPI) is 1881716959, issued on Apr 6, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Hunter Geoffrey Brumblay, M.D. located?

The NPPES record lists a practice address at 601 John St Ste M-124, Kalamazoo, MI, 49007. Phone: (269) 341-7500. Providers update this record themselves, so call before visiting.

How can I verify Hunter Geoffrey Brumblay, M.D.'s license?

NPPES lists Michigan license number 4301079659, 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 Hunter Geoffrey Brumblay, M.D. prescribe under Medicare Part D?

In 2024, Hunter Geoffrey Brumblay, M.D. had 69 Medicare Part D claims for 44 beneficiaries; the average among neurological surgery physician prescribers was 172. Part D covers Medicare prescriptions only.

What is Hunter Geoffrey Brumblay, M.D.'s MIPS final score?

The 2023 MIPS final score is 82 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.