Isaac Weir
NPI 1881486223 · Physical Therapist · Grand Rapids, MI
Enrolled with Medicare as Practitioner - Physical Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Isaac Weir is a Physical Therapist provider in Grand Rapids, MI (NPI 1881486223).
Provider details
- NPI number
- 1881486223
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 5501303630 (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
1 yr 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
- 2025-05-21
- Last updated
- 2025-05-21
- Certified
- 2025-05-21
Frequently asked questions
- What is Isaac Weir's NPI number?
- Isaac Weir's National Provider Identifier (NPI) is 1881486223, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isaac Weir's specialty?
- Isaac Weir is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Isaac Weir located?
- Isaac Weir's practice location on file with NPPES is 2120 43rd St Se Ste 100, Grand Rapids, MI 49508-3712.
- What is Isaac Weir's phone number?
- The practice phone number listed in the NPPES registry for Isaac Weir is (616) 281-1144.
- Does Isaac Weir accept Medicare?
- Isaac Weir is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Isaac Weir's NPI active?
- Yes — Isaac Weir's NPI (1881486223) is active in the NPPES registry as of the last update on 2025-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.