Maria Litwiler, MS, CCC-SLP
NPI 1558807339 · Speech-Language Pathologist · Pittsburgh, PA
Maria Litwiler, MS, CCC-SLP is a Speech-Language Pathologist provider in Pittsburgh, PA (NPI 1558807339).
Provider details
- NPI number
- 1558807339
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- MS, CCC-SLP
- Sex
- Female
- Sole proprietor
- No
- License
- SL012519 (PA)
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
9 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
- 2017-01-17
- Last updated
- 2017-01-17
Frequently asked questions
- What is Maria Litwiler's NPI number?
- Maria Litwiler's National Provider Identifier (NPI) is 1558807339, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Litwiler's specialty?
- Maria Litwiler is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Maria Litwiler located?
- Maria Litwiler's practice location on file with NPPES is 111 Perrymont Rd, Pittsburgh, PA 15237-5246.
- What is Maria Litwiler's phone number?
- The practice phone number listed in the NPPES registry for Maria Litwiler is (412) 348-1593.
- Is Maria Litwiler's NPI active?
- Yes — Maria Litwiler's NPI (1558807339) is active in the NPPES registry as of the last update on 2017-01-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.