IndividualActive
Mark Hammel, PH.D.
NPI 1558488221 · Psychologist · Woodstock, NY
Mark Hammel, PH.D. is a Psychologist provider in Woodstock, NY (NPI 1558488221).
Provider details
- NPI number
- 1558488221
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 008196 (NY)
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
31 Patricia Ln
Woodstock, NY 12498-2717
Phone: (845) 339-2352
Fax: (845) 943-2271
Street-level locationGet directions
Mailing address
Po Box 4335
Kingston, NY 12402-4335
Registry dates
- Enumerated
- 2007-03-26
- Last updated
- 2023-01-10
- Certified
- 2023-01-10
Frequently asked questions
- What is Mark Hammel's NPI number?
- Mark Hammel's National Provider Identifier (NPI) is 1558488221, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Hammel's specialty?
- Mark Hammel is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Mark Hammel located?
- Mark Hammel's practice location on file with NPPES is 31 Patricia Ln, Woodstock, NY 12498-2717.
- What is Mark Hammel's phone number?
- The practice phone number listed in the NPPES registry for Mark Hammel is (845) 339-2352.
- Is Mark Hammel's NPI active?
- Yes — Mark Hammel's NPI (1558488221) is active in the NPPES registry as of the last update on 2023-01-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.