NPPES file of Aug 9, 2026

Sabrina Dieffenbach, MD

Physical Medicine & Rehabilitation Physician · Grand Rapids, MI

Sabrina Dieffenbach, MD is a physical medicine & rehabilitation physician with a practice address in Grand Rapids, Michigan, and NPI 1528695210, issued on Mar 24, 2020. Check the license (Michigan 4301517146, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1528695210
Name
Sabrina Dieffenbach
Credential
MD
Primary taxonomy
Physical Medicine & Rehabilitation Physician 208100000X
License numbers
4301517146 MI
4351046032 MI
Self-reported in NPPES; status is on the state search
Practice location
235 Wealthy St SE, Grand Rapids, MI 49503
Phone
(616) 840-8000
Enumerated
Mar 24, 2020
Record last updated
Jul 8, 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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Also registered at 235 Wealthy St SE

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

  1. Alyssa Ackerman, CCC-SLPSpeech-Language Pathologist1689392714
  2. Penny Adams, MS-OTR/LOccupational Therapist1831690759
  3. Katherine Aeschlimann, OTR/LOccupational Therapist1487156972
  4. Leah Allan, OTR/LOccupational Therapist1265156608
  5. Hannah Alvarez, PT, DPTNeurology Physical Therapist1720580319
  6. Michelle Andary, DOPhysical Medicine & Rehabilitation Physician1841938685

Verify Sabrina Dieffenbach 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 4301517146
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $110.00

1 payment: food and beverage; the largest payer was Merz Pharmaceuticals, LLC. The 3,895 providers of this specialty with any payment received $1,237.86 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sabrina Dieffenbach$110.00
  2. Specialty average$1,237.86

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

Sabrina Dieffenbach among 742 physical medicine & rehabilitation physician records in Michigan

Sabrina Dieffenbach, MD is one of 742 physical medicine & rehabilitation physician records with a practice address in Michigan. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 76% of them.

  • NPI issued2020 · 76% of these records are older, 19% newer
  • In a Medicare fileYes · 64% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2026 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208100000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Physical Medicine & Rehabilitation Physician providers in Michigan

There are 742 physical medicine & rehabilitation physician records in Michigan.

The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes

  1. Richard Ball, M.D.Grand Rapids, MI 495031679523765
  2. Benjamin Bruinsma, M.D.Grand Rapids, MI 495031508804154
  3. Aashish Deshpande, MDGrand Rapids, MI 495031003915976
  4. Sampson Ho, M.D.Grand Rapids, MI 495031437192374
  5. Michael Jakubowski, M.D.Grand Rapids, MI 495031104863646
  6. Jeffrey Kramer, M.D.Grand Rapids, MI 495031306889100
  7. Robert Kreitsch, MDGrand Rapids, MI 495031609882661
  8. Christopher Morelli, D.O.Grand Rapids, MI 495031063653798

Common questions

What is Sabrina Dieffenbach, MD's NPI number?

Sabrina Dieffenbach, MD's National Provider Identifier (NPI) is 1528695210, issued on Mar 24, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Sabrina Dieffenbach, MD located?

The NPPES record lists a practice address at 235 Wealthy St SE, Grand Rapids, MI, 49503. Phone: (616) 840-8000. Providers update this record themselves, so call before visiting.

How can I verify Sabrina Dieffenbach, MD's license?

NPPES lists Michigan license number 4301517146, 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. 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.