Glenn Marks, PHD
NPI 1447247960 · Psychologist · Tucson, AZ
Glenn Marks, PHD is a Psychologist provider in Tucson, AZ (NPI 1447247960).
Provider details
- NPI number
- 1447247960
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 3558 (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
20 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
- 2005-09-30
- Last updated
- 2007-10-25
Frequently asked questions
- What is Glenn Marks's NPI number?
- Glenn Marks's National Provider Identifier (NPI) is 1447247960, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Glenn Marks's specialty?
- Glenn Marks is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Glenn Marks located?
- Glenn Marks's practice location on file with NPPES is 4750 N Camino Luz, Tucson, AZ 85718-5819.
- What is Glenn Marks's phone number?
- The practice phone number listed in the NPPES registry for Glenn Marks is (520) 299-4806.
- Is Glenn Marks's NPI active?
- Yes — Glenn Marks's NPI (1447247960) is active in the NPPES registry as of the last update on 2007-10-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.