Gregory Marvel, PH.D.
NPI 1881874220 · Psychologist · Benson, AZ
Gregory Marvel, PH.D. is a Psychologist provider in Benson, AZ (NPI 1881874220).
Provider details
- NPI number
- 1881874220
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 966 (AZ)
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
18 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
- 2007-11-13
- Last updated
- 2007-11-13
Frequently asked questions
- What is Gregory Marvel's NPI number?
- Gregory Marvel's National Provider Identifier (NPI) is 1881874220, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Marvel's specialty?
- Gregory Marvel is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Gregory Marvel located?
- Gregory Marvel's practice location on file with NPPES is 273 W Bonita St, Benson, AZ 85602-6809.
- What is Gregory Marvel's phone number?
- The practice phone number listed in the NPPES registry for Gregory Marvel is (520) 586-0135.
- Is Gregory Marvel's NPI active?
- Yes — Gregory Marvel's NPI (1881874220) is active in the NPPES registry as of the last update on 2007-11-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.