William Frey, PHD
NPI 1821150111 · Adult Development & Aging Psychologist · Rutland, VT
William Frey, PHD is a Adult Development & Aging Psychologist provider in Rutland, VT (NPI 1821150111).
Provider details
- NPI number
- 1821150111
- Entity type
- Individual
- Primary specialty
- Adult Development & Aging PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
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
19 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2006-12-14
- Last updated
- 2008-01-09
Frequently asked questions
- What is William Frey's NPI number?
- William Frey's National Provider Identifier (NPI) is 1821150111, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Frey's specialty?
- William Frey is listed in the NPPES registry with a primary specialty of Adult Development & Aging Psychologist (Behavioral Health & Social Service Providers).
- Where is William Frey located?
- William Frey's practice location on file with NPPES is 64 Allen St, Rutland, VT 05701.
- What is William Frey's phone number?
- The practice phone number listed in the NPPES registry for William Frey is (802) 773-3965.
- Is William Frey's NPI active?
- Yes — William Frey's NPI (1821150111) is active in the NPPES registry as of the last update on 2008-01-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.