NPPES file of Aug 9, 2026

Thomas Geissler, M.D.

Orthopaedic Surgery Physician · Grand Rapids, MI

Thomas Geissler, M.D. is an orthopaedic surgery physician with a practice address in Grand Rapids, Michigan, and NPI 1578357265, issued on Apr 7, 2025. Check the license (Michigan 4351054563, as entered in NPPES) on the Michigan Board of Medicine (LARA); the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1578357265
Name
Thomas Geissler
Credential
M.D.
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License number
4351054563 MI
Self-reported in NPPES; status is on the state search
Practice location
221 Michigan St NE Ste 400, Grand Rapids, MI 49503
Phone
(616) 391-6243
Enumerated
Apr 7, 2025
Record last updated
Jun 1, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest orthopaedic surgery physician records → All 962 in Michigan → Look up another NPI →

Also registered at 221 Michigan St NE Ste 400

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

  1. Allison Blumenfeld, MDSurgical Critical Care Physician1306465026
  2. Timothy Burton, M.D.Surgery Physician1306292859
  3. Cathryn Chadwick, MDSurgical Critical Care Physician1003945908
  4. Alistair Chapman, M.D.Surgical Critical Care Physician1225266331
  5. Eric Christianson, MDOrthopaedic Surgery Physician1861842759
  6. Todd Conlan, M.D.Orthopaedic Surgery Physician1215298732

Verify Thomas Geissler 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 4351054563    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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Thomas Geissler among 962 orthopaedic surgery physician records in Michigan

Thomas Geissler, M.D. is one of 962 orthopaedic surgery physician records with a practice address in Michigan. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2025, is newer than 95% of them.

  • NPI issued2025 · 95% of these records are older, 3% newer
  • In a Medicare fileNo · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2026 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthopaedic Surgery Physician providers in Michigan

There are 962 orthopaedic surgery physician records in Michigan. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 962 in Michigan → Every provider in Grand Rapids → Orthopaedic Surgery Physician nationwide →

The 8 orthopaedic surgery physician records with the nearest ZIP codes

  1. Mark Asperheim, MDGrand Rapids, MI 495031699763177
  2. Richard Bereza, M.D.Grand Rapids, MI 495031558476804
  3. David Bielema, MDGrand Rapids, MI 495031447248588
  4. Robert Demaagd, MDGrand Rapids, MI 495031851389332
  5. Kim Eastman, M.D.Grand Rapids, MI 495031477599819
  6. Peter Herkner, M.D.Grand Rapids, MI 495031215902481
  7. Mary Herzog, MDGrand Rapids, MI 495031750543674
  8. Zachary Love, D.O.Grand Rapids, MI 495031144480534

Common questions

What is Thomas Geissler, M.D.'s NPI number?

Thomas Geissler, M.D.'s National Provider Identifier (NPI) is 1578357265, issued on Apr 7, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Geissler, M.D. located?

The NPPES record lists a practice address at 221 Michigan St NE Ste 400, Grand Rapids, MI, 49503. Phone: (616) 391-6243. Providers update this record themselves, so call before visiting.

How can I verify Thomas Geissler, M.D.'s license?

NPPES lists Michigan license number 4351054563, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.