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Mark Hiatt, PH.D.
NPI 1225259013 · Clinical Psychologist · Hanover, NH
Mark Hiatt, PH.D. is a Clinical Psychologist provider in Hanover, NH (NPI 1225259013).
Provider details
- NPI number
- 1225259013
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 1028 (NH)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
7 Rope Ferry Rd
Dartmouth College Health Services
Hanover, NH 03755-1404
Phone: (603) 646-9442
Street-level locationGet directions
Mailing address
Po Box 250
Grantham, NH 03753-0250
Registry dates
- Enumerated
- 2007-05-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Hiatt's NPI number?
- Mark Hiatt's National Provider Identifier (NPI) is 1225259013, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Hiatt's specialty?
- Mark Hiatt is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Mark Hiatt located?
- Mark Hiatt's practice location on file with NPPES is 7 Rope Ferry Rd, Hanover, NH 03755-1404.
- What is Mark Hiatt's phone number?
- The practice phone number listed in the NPPES registry for Mark Hiatt is (603) 646-9442.
- Is Mark Hiatt's NPI active?
- Yes — Mark Hiatt's NPI (1225259013) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.