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Irwin Grossman, PH.D.
NPI 1205892056 · Clinical Psychologist · Glendale, AZ
Irwin Grossman, PH.D. is a Clinical Psychologist provider in Glendale, AZ (NPI 1205892056).
Provider details
- NPI number
- 1205892056
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 1302 (AZ)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(91/100 index)
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
5757 W Thunderbird Rd
W-401
Glendale, AZ 85306-4641
Phone: (602) 439-0475
Fax: (602) 439-0106
Street-level locationGet directions
Mailing address
5757 W Thunderbird Rd
Glendale, AZ 85306-4641
Registry dates
- Enumerated
- 2006-04-21
- Last updated
- 2007-07-08
Frequently asked questions
- What is Irwin Grossman's NPI number?
- Irwin Grossman's National Provider Identifier (NPI) is 1205892056, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Irwin Grossman's specialty?
- Irwin Grossman is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Irwin Grossman located?
- Irwin Grossman's practice location on file with NPPES is 5757 W Thunderbird Rd, Glendale, AZ 85306-4641.
- What is Irwin Grossman's phone number?
- The practice phone number listed in the NPPES registry for Irwin Grossman is (602) 439-0475.
- Is Irwin Grossman's NPI active?
- Yes — Irwin Grossman's NPI (1205892056) 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.