Mark Schermerhorn, MS, CCC-SLP
NPI 1346574399 · Speech-Language Pathologist · Ganado, AZ
Mark Schermerhorn, MS, CCC-SLP is a Speech-Language Pathologist provider in Ganado, AZ (NPI 1346574399).
Provider details
- NPI number
- 1346574399
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- MS, CCC-SLP
- Sex
- Male
- Sole proprietor
- No
- License
- 4162 (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
16 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
- 2009-09-23
- Last updated
- 2009-09-23
Frequently asked questions
- What is Mark Schermerhorn's NPI number?
- Mark Schermerhorn's National Provider Identifier (NPI) is 1346574399, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Schermerhorn's specialty?
- Mark Schermerhorn is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Mark Schermerhorn located?
- Mark Schermerhorn's practice location on file with NPPES is Sage Memorial Hospital, Ganado, AZ 86505.
- What is Mark Schermerhorn's phone number?
- The practice phone number listed in the NPPES registry for Mark Schermerhorn is (928) 755-4566.
- Is Mark Schermerhorn's NPI active?
- Yes — Mark Schermerhorn's NPI (1346574399) is active in the NPPES registry as of the last update on 2009-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.