NPPES file of Aug 9, 2026

Gretchen G. Classens, P.T.

Physical Therapist · East Lansing, MI

Gretchen G. Classens, P.T. is a physical therapist with a practice address in East Lansing, Michigan, and NPI 1780771386, issued on Oct 6, 2006. Check the license (Michigan 5501006179, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1780771386
Name
Gretchen G. Classens
Credential
P.T.
Primary taxonomy
Physical Therapist 225100000X
License number
5501006179 MI
Self-reported in NPPES; status is on the state search
Practice location
4660 S Hagadorn RD Ste 400, East Lansing, MI 48823
Phone
(517) 355-7648
Enumerated
Oct 6, 2006
Record last updated
Jun 27, 2023
Fax
(517) 432-1319
Medicaid ID
1780771386 MI
Medicare enrollment
Enrolled (PECOS I20130809000320); 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 4660 S Hagadorn RD Ste 400

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

  1. Margaret Amendt, O.T.R.Occupational Therapist1861554487
  2. Alexander Andre, DPTPhysical Therapist1104489772
  3. Agnieszka Bilinska, PTPhysical Therapist1902155351
  4. Meg Darmofal, DPTPhysical Therapist1710714910
  5. Kierstin Drzal, PTPhysical Therapist1336240084
  6. Cathryn Durnin, PTPhysical Therapist1811085996

Verify Gretchen G. Classens in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 5501006179
    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
Find 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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Bills Medicare through one group practice

  1. Msu Health Care Inc.East Lansing, MI

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

82 physical therapist records list a practice address in East Lansing

They are 82 of the 2,305 NPPES records with a practice address in East Lansing, and 9,592 physical therapist records in Michigan.

Other physical therapist records in Michigan

  1. Saed Aabed, DPTWest Bloomfield, MI1144186719
  2. Susan Aagenas, PTChelsea, MI1215402680
  3. Eliza Abbasi, DPTWaterford, MI1003110958
  4. Shelby Abbott, DPTLivonia, MI1568158723
  5. Ehab Abdalla, DPTWestland, MI1922310424
  6. Sameh Abdallah, PTBloomfield Hills, MI1477025856
  7. Sarah Abdallah, PT, DPTLivonia, MI1417609264
  8. Sami Abdelbaqui, PTWyandotte, MI1174688394
  9. Hesham Abdelkader, BACHELOR DEGREEDavison, MI1740494657
  10. Julita Abdelkader, PHYSICAL THERAPISTLapeer, MI1144717224

Common questions

What is Gretchen G. Classens, P.T.'s NPI number?

Gretchen G. Classens, P.T.'s National Provider Identifier (NPI) is 1780771386, issued on Oct 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gretchen G. Classens, P.T. located?

The NPPES record lists a practice address at 4660 S Hagadorn RD Ste 400, East Lansing, MI, 48823. Phone: (517) 355-7648. Providers update this record themselves, so call before visiting.

How can I verify Gretchen G. Classens, P.T.'s license?

NPPES lists Michigan license number 5501006179, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

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.