Joan Klaasen, PT
NPI 1689632879 · Physical Therapist · Muskegon, MI
Joan Klaasen, PT is a Physical Therapist provider in Muskegon, MI (NPI 1689632879).
Provider details
- NPI number
- 1689632879
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- PT
- Sex
- Female
- Sole proprietor
- No
- License
- 5501003008 (MI)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-04
- Last updated
- 2012-09-21
Frequently asked questions
- What is Joan Klaasen's NPI number?
- Joan Klaasen's National Provider Identifier (NPI) is 1689632879, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joan Klaasen's specialty?
- Joan Klaasen is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Joan Klaasen located?
- Joan Klaasen's practice location on file with NPPES is 945 E Sherman Blvd, Muskegon, MI 49444-1805.
- What is Joan Klaasen's phone number?
- The practice phone number listed in the NPPES registry for Joan Klaasen is (231) 737-4374.
- Is Joan Klaasen's NPI active?
- Yes — Joan Klaasen's NPI (1689632879) is active in the NPPES registry as of the last update on 2012-09-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.