Mark Hammel, PH.D., Psychologist, P.C.
NPI 1851782619 · Psychologist · Woodstock, NY
Mark Hammel, PH.D., Psychologist, P.C. is a Psychologist organization in Woodstock, NY (NPI 1851782619).
Provider details
- NPI number
- 1851782619
- Entity type
- Organization
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Mark Hammel, President(845) 339-2352
- License
- 008196-1 (NY)
Specialties & taxonomies
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
11 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
- 2015-02-13
- Last updated
- 2023-01-11
- Certified
- 2023-01-11
Frequently asked questions
- What is Mark Hammel, PH.D., Psychologist, P.C.'s NPI number?
- Mark Hammel, PH.D., Psychologist, P.C.'s National Provider Identifier (NPI) is 1851782619, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mark Hammel, PH.D., Psychologist, P.C.?
- Mark Hammel, PH.D., Psychologist, P.C. is classified in the NPPES registry as Psychologist (Behavioral Health & Social Service Providers).
- Where is Mark Hammel, PH.D., Psychologist, P.C. located?
- Mark Hammel, PH.D., Psychologist, P.C.'s practice location on file with NPPES is 31 Patricia Ln, Woodstock, NY 12498-2717.
- What is Mark Hammel, PH.D., Psychologist, P.C.'s phone number?
- The practice phone number listed in the NPPES registry for Mark Hammel, PH.D., Psychologist, P.C. is (845) 339-2352.
- Who is the authorized official for Mark Hammel, PH.D., Psychologist, P.C.?
- The authorized official listed on Mark Hammel, PH.D., Psychologist, P.C.'s NPPES record is Mark Hammel, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mark Hammel, PH.D., Psychologist, P.C.'s NPI active?
- Yes — Mark Hammel, PH.D., Psychologist, P.C.'s NPI (1851782619) is active in the NPPES registry as of the last update on 2023-01-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.