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Thomas Merrill, PH.D., ABPP
NPI 1871660217 · Clinical Psychologist · Peoria, AZ
Thomas Merrill, PH.D., ABPP is a Clinical Psychologist provider in Peoria, AZ (NPI 1871660217).
Provider details
- NPI number
- 1871660217
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D., ABPP
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY243 (HI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 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
12682 W Bajada Rd
Peoria, AZ 85383-2808
Phone: (623) 388-4354
Fax: (623) 388-4354
Street-level locationGet directions
Mailing address
12682 W Bajada Rd
Peoria, AZ 85383-2808
Registry dates
- Enumerated
- 2006-11-29
- Last updated
- 2007-07-08
Frequently asked questions
- What is Thomas Merrill's NPI number?
- Thomas Merrill's National Provider Identifier (NPI) is 1871660217, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Merrill's specialty?
- Thomas Merrill is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Thomas Merrill located?
- Thomas Merrill's practice location on file with NPPES is 12682 W Bajada Rd, Peoria, AZ 85383-2808.
- What is Thomas Merrill's phone number?
- The practice phone number listed in the NPPES registry for Thomas Merrill is (623) 388-4354.
- Is Thomas Merrill's NPI active?
- Yes — Thomas Merrill's NPI (1871660217) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.