Timothy Callahan, SLPA
NPI 1437505567 · Speech-Language Assistant · Phoenix, AZ
Timothy Callahan, SLPA is a Speech-Language Assistant provider in Phoenix, AZ (NPI 1437505567).
Provider details
- NPI number
- 1437505567
- Entity type
- Individual
- Primary specialty
- Speech-Language AssistantSpeech, Language and Hearing Service Providers
- Credential
- SLPA
- Sex
- Male
- Sole proprietor
- Yes
- License
- SLPA9928 (AZ)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
- 2016-05-07
- Last updated
- 2016-05-07
Frequently asked questions
- What is Timothy Callahan's NPI number?
- Timothy Callahan's National Provider Identifier (NPI) is 1437505567, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Callahan's specialty?
- Timothy Callahan is listed in the NPPES registry with a primary specialty of Speech-Language Assistant (Speech, Language and Hearing Service Providers).
- Where is Timothy Callahan located?
- Timothy Callahan's practice location on file with NPPES is 2252 N 44th St, Phoenix, AZ 85008-3200.
- What is Timothy Callahan's phone number?
- The practice phone number listed in the NPPES registry for Timothy Callahan is (623) 363-0703.
- Is Timothy Callahan's NPI active?
- Yes — Timothy Callahan's NPI (1437505567) is active in the NPPES registry as of the last update on 2016-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.