Gary Stark, PHD
NPI 1134294911 · Psychologist · Milwaukee, WI
Gary Stark, PHD is a Psychologist provider in Milwaukee, WI (NPI 1134294911).
Provider details
- NPI number
- 1134294911
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 1269-057 (WI)
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
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
Mailing address
Registry dates
- Enumerated
- 2006-11-21
- Last updated
- 2008-09-30
Frequently asked questions
- What is Gary Stark's NPI number?
- Gary Stark's National Provider Identifier (NPI) is 1134294911, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Stark's specialty?
- Gary Stark is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Gary Stark located?
- Gary Stark's practice location on file with NPPES is 9455 W Watertown Plank Rd, Milwaukee, WI 53226-3559.
- What is Gary Stark's phone number?
- The practice phone number listed in the NPPES registry for Gary Stark is (414) 257-6995.
- Is Gary Stark's NPI active?
- Yes — Gary Stark's NPI (1134294911) is active in the NPPES registry as of the last update on 2008-09-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.