John Hayes, PSY.D.
NPI 1427327030 · Clinical Psychologist · Londonderry, NH
John Hayes, PSY.D. is a Clinical Psychologist provider in Londonderry, NH (NPI 1427327030).
Provider details
- NPI number
- 1427327030
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 584 (NH)
Specialties & taxonomies
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
14 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
- 2011-12-28
- Last updated
- 2011-12-28
Frequently asked questions
- What is John Hayes's NPI number?
- John Hayes's National Provider Identifier (NPI) is 1427327030, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Hayes's specialty?
- John Hayes is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is John Hayes located?
- John Hayes's practice location on file with NPPES is 12 Parmenter Rd, Londonderry, NH 03053-3280.
- What is John Hayes's phone number?
- The practice phone number listed in the NPPES registry for John Hayes is (603) 437-2069.
- Is John Hayes's NPI active?
- Yes — John Hayes's NPI (1427327030) is active in the NPPES registry as of the last update on 2011-12-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.