John Hallock, M.A.
NPI 1861940751 · Mental Health Counselor · Hadley, MA
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Hallock, M.A. is a Mental Health Counselor provider in Hadley, MA (NPI 1861940751).
Provider details
- NPI number
- 1861940751
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- M.A.
- Sex
- Male
- Sole proprietor
- No
- License
- 10913 (MA)
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
9 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
- 2016-09-20
- Last updated
- 2019-04-03
Frequently asked questions
- What is John Hallock's NPI number?
- John Hallock's National Provider Identifier (NPI) is 1861940751, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Hallock's specialty?
- John Hallock is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is John Hallock located?
- John Hallock's practice location on file with NPPES is 95 Mount Warner Rd, Hadley, MA 01035-9699.
- What is John Hallock's phone number?
- The practice phone number listed in the NPPES registry for John Hallock is (314) 549-8874.
- Does John Hallock accept Medicare?
- John Hallock is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Hallock's NPI active?
- Yes — John Hallock's NPI (1861940751) is active in the NPPES registry as of the last update on 2019-04-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.