Mark Wallace
NPI 1538533005 · Speech-Language Pathologist · Harrisburg, PA
Mark Wallace is a Speech-Language Pathologist provider in Harrisburg, PA (NPI 1538533005).
Provider details
- NPI number
- 1538533005
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Sex
- Male
- Sole proprietor
- Yes
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
83% 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
- 2015-11-21
- Last updated
- 2015-11-23
Frequently asked questions
- What is Mark Wallace's NPI number?
- Mark Wallace's National Provider Identifier (NPI) is 1538533005, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Wallace's specialty?
- Mark Wallace is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Mark Wallace located?
- Mark Wallace's practice location on file with NPPES is 2337 N 2nd St, Harrisburg, PA 17110-1009.
- What is Mark Wallace's phone number?
- The practice phone number listed in the NPPES registry for Mark Wallace is (570) 617-6890.
- Is Mark Wallace's NPI active?
- Yes — Mark Wallace's NPI (1538533005) is active in the NPPES registry as of the last update on 2015-11-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.