NPPES file of Aug 9, 2026

Joan Klaasen, PT

Physical Therapist · Muskegon, MI

Joan Klaasen, PT is a physical therapist with a practice address in Muskegon, Michigan, and NPI 1689632879, issued on May 4, 2006. Check the license (Michigan 5501003008, as entered in NPPES) with the Michigan board that licenses this profession; 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
1689632879
Name
Joan Klaasen
Credential
PT
Primary taxonomy
Physical Therapist 225100000X
License number
5501003008 MI
Self-reported in NPPES; status is on the state search
Practice location
945 E Sherman Blvd, Muskegon, MI 49444
Phone
(231) 737-4374
Enumerated
May 4, 2006
Record last updated
Sep 21, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(231) 830-9196
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 945 E Sherman Blvd

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

  1. Cristie Anderson, MSPTPhysical Therapist1194773721
  2. Gayle Austin, OTROccupational Therapist1811186612
  3. Jennifer Bastian, DPTPhysical Therapist1386897064
  4. Abigail Britt, MSPTPhysical Therapist1164480356
  5. Traci Demarr, OTROccupational Therapist1588827190
  6. Tracy Lee, PTPhysical Therapist1053407643

Verify Joan Klaasen 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 5501003008
    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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68 physical therapist records list a practice address in Muskegon

They are 68 of the 2,646 NPPES records with a practice address in Muskegon, and 9,592 physical therapist records in Michigan. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

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 Joan Klaasen, PT's NPI number?

Joan Klaasen, PT's National Provider Identifier (NPI) is 1689632879, issued on May 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joan Klaasen, PT located?

The NPPES record lists a practice address at 945 E Sherman Blvd, Muskegon, MI, 49444. Phone: (231) 737-4374. Providers update this record themselves, so call before visiting.

How can I verify Joan Klaasen, PT's license?

NPPES lists Michigan license number 5501003008, 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. 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.