Nathan Callahan
NPI 1477955953 · Orthopedic Physical Therapist · Novi, MI
Nathan Callahan is a Orthopedic Physical Therapist provider in Novi, MI (NPI 1477955953).
Provider details
- NPI number
- 1477955953
- Entity type
- Individual
- Primary specialty
- Orthopedic Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 5501014990 (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
11 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
- 2014-09-16
- Last updated
- 2014-09-16
Frequently asked questions
- What is Nathan Callahan's NPI number?
- Nathan Callahan's National Provider Identifier (NPI) is 1477955953, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Callahan's specialty?
- Nathan Callahan is listed in the NPPES registry with a primary specialty of Orthopedic Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Nathan Callahan located?
- Nathan Callahan's practice location on file with NPPES is 46001 Grand River Ave, Novi, MI 48374-1319.
- What is Nathan Callahan's phone number?
- The practice phone number listed in the NPPES registry for Nathan Callahan is (248) 513-3003.
- Is Nathan Callahan's NPI active?
- Yes — Nathan Callahan's NPI (1477955953) is active in the NPPES registry as of the last update on 2014-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.