William Hammer, OTR
NPI 1144248345 · Occupational Therapist · Indianapolis, IN
William Hammer, OTR is a Occupational Therapist provider in Indianapolis, IN (NPI 1144248345).
Provider details
- NPI number
- 1144248345
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OTR
- Sex
- Male
- Sole proprietor
- No
- License
- 1009045 (IN)
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
19 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
- 2006-07-17
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Hammer's NPI number?
- William Hammer's National Provider Identifier (NPI) is 1144248345, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Hammer's specialty?
- William Hammer is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is William Hammer located?
- William Hammer's practice location on file with NPPES is 1481 W 10th St, Indianapolis, IN 46202-2803.
- What is William Hammer's phone number?
- The practice phone number listed in the NPPES registry for William Hammer is (317) 988-2562.
- Is William Hammer's NPI active?
- Yes — William Hammer's NPI (1144248345) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.