Mark Johnson, MS, CCC-SLP
NPI 1639419948 · Speech-Language Pathologist · New Port Richey, FL
Enrolled with Medicare as Practitioner - Qualified Speech Language Pathologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Johnson, MS, CCC-SLP is a Speech-Language Pathologist provider in New Port Richey, FL (NPI 1639419948).
Provider details
- NPI number
- 1639419948
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- MS, CCC-SLP
- Sex
- Male
- Sole proprietor
- Yes
- License
- SA8062 (FL)
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
13 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
- 2013-02-22
- Last updated
- 2013-02-22
Frequently asked questions
- What is Mark Johnson's NPI number?
- Mark Johnson's National Provider Identifier (NPI) is 1639419948, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Johnson's specialty?
- Mark Johnson is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Mark Johnson located?
- Mark Johnson's practice location on file with NPPES is 7400 Trouble Creek Rd, New Port Richey, FL 34653-5642.
- What is Mark Johnson's phone number?
- The practice phone number listed in the NPPES registry for Mark Johnson is (727) 375-2999.
- Does Mark Johnson accept Medicare?
- Mark Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Johnson's NPI active?
- Yes — Mark Johnson's NPI (1639419948) is active in the NPPES registry as of the last update on 2013-02-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.