Mark Shermis, PH.D.
NPI 1346870953 · Psychologist · The Woodlands, TX
Mark Shermis, PH.D. is a Psychologist provider in The Woodlands, TX (NPI 1346870953).
Provider details
- NPI number
- 1346870953
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 6634 (OH)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
- 2020-01-23
- Last updated
- 2020-01-23
- Certified
- 2020-01-23
Frequently asked questions
- What is Mark Shermis's NPI number?
- Mark Shermis's National Provider Identifier (NPI) is 1346870953, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Shermis's specialty?
- Mark Shermis is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Mark Shermis located?
- Mark Shermis's practice location on file with NPPES is 14 S Braided Branch Dr, The Woodlands, TX 77375-0174.
- What is Mark Shermis's phone number?
- The practice phone number listed in the NPPES registry for Mark Shermis is (954) 899-8069.
- Is Mark Shermis's NPI active?
- Yes — Mark Shermis's NPI (1346870953) is active in the NPPES registry as of the last update on 2020-01-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.