NPPES file of Aug 9, 2026

Keith Postma, MD

Otolaryngology Physician · Grand Rapids, MI

Keith Postma, MD is an otolaryngology physician with a practice address in Grand Rapids, Michigan, and NPI 1710928007, issued on Jun 9, 2006. Check the license (Michigan 4301054528, 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
1710928007
Name
Keith Postma
Credential
MD
Primary taxonomy
Otolaryngology Physician 207Y00000X
License number
4301054528 MI
Self-reported in NPPES; status is on the state search
Practice location
4069 Lake Dr SE, Grand Rapids, MI 49546
Phone
(616) 267-7758
Enumerated
Jun 9, 2006
Record last updated
Feb 18, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20100108000062); accepts Medicare assignment
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 4069 Lake Dr SE

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

  1. Chad Afman, MDPediatric Otolaryngology Physician1154532448
  2. Amelia Ashcraft, PA-CPhysician Assistant1053821033
  3. Graham Barnett, MDUrology Physician1366498222
  4. April Beresford, NPNurse Practitioner1255872354
  5. Tabetha Bergeron, PA-CPhysician Assistant1003228925
  6. Jodie Blake, PTPhysical Therapist1154644136

Verify Keith Postma 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 4301054528
    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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44% fewer Medicare Part D claims than the average otolaryngology physician in 2024

302 Medicare Part D claims for 152 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Keith Postma302
  2. Specialty average541

Most prescribed

  1. Azelastine Hcl50 claims
  2. Fluticasone Propionate37 claims
  3. Pantoprazole Sodium29 claims
  4. Amoxicillin-Clavulanate Potass25 claims
  5. Prednisone25 claims
  6. Ipratropium Bromide16 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): 100 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 score87.5
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $127.53

3 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 6,429 providers of this specialty with any payment received $1,922.50 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Keith Postma$127.53
  2. Specialty average$1,922.50

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

  1. Spectrum Health Primary Care PartnersGrand Rapids, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Keith Postma among 307 otolaryngology physician records in Michigan

Keith Postma, MD is one of 307 otolaryngology 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 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 55% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated1989 · median 2006 among the 201 with a school on file
  • Record last updated2021 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Otolaryngology Physician providers in Michigan

There are 307 otolaryngology physician records in Michigan.

The 8 otolaryngology physician records with the nearest ZIP codes

  1. Maraya Baumanis, MDGrand Rapids, MI 495461245768704
  2. Eric Cox, DOGrand Rapids, MI 495461568968956
  3. Darryl Elzinga, M.D.Grand Rapids, MI 495461275524951
  4. Christopher Frisch, MDGrand Rapids, MI 495461740575984
  5. Francis Hart, MDGrand Rapids, MI 495461447291737
  6. Javier Howard, MDGrand Rapids, MI 495461275095010
  7. John Kosta, M.D.Grand Rapids, MI 495461184642951
  8. Lara Osetinsky, M.D.Grand Rapids, MI 495461609283936

Common questions

What is Keith Postma, MD's NPI number?

Keith Postma, MD's National Provider Identifier (NPI) is 1710928007, issued on Jun 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Keith Postma, MD located?

The NPPES record lists a practice address at 4069 Lake Dr SE, Grand Rapids, MI, 49546. Phone: (616) 267-7758. Providers update this record themselves, so call before visiting.

How can I verify Keith Postma, MD's license?

NPPES lists Michigan license number 4301054528, 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 Keith Postma, MD prescribe under Medicare Part D?

In 2024, Keith Postma, MD had 302 Medicare Part D claims for 152 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.

What is Keith Postma, MD's MIPS final score?

The 2023 MIPS final score is 100 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.