What is Zak Zillen's NPI number?

Zak Zillen's National Provider Identifier (NPI) is 1588496574, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Zak Zillen's specialty?

Zak Zillen is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).

Where is Zak Zillen located?

Zak Zillen's practice location on file with NPPES is 13111 Allen Rd, Southgate, MI 48195-2216.

What is Zak Zillen's phone number?

The practice phone number listed in the NPPES registry for Zak Zillen is (734) 287-1500.

Is Zak Zillen's NPI active?

Yes — Zak Zillen's NPI (1588496574) is active in the NPPES registry as of the last update on 2025-06-25.

IndividualActive

Zak Zillen

NPI 1588496574 · Clinical Psychologist · Southgate, MI

Zak Zillen is a Clinical Psychologist provider in Southgate, MI (NPI 1588496574).

Provider details

NPI number: 1588496574
Entity type: Individual
Primary specialty: Clinical PsychologistBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: No
License: 6362010163 (MI)

Specialties & taxonomies

Clinical PsychologistPrimary103TC0700XLicense 6362010163 (MI)
Behavioral Health & Social Service Providers

Profile Score

Established profile(56/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
1 yr 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

13111 Allen Rd

Southgate, MI 48195-2216

Phone: (734) 287-1500

Street-level locationGet directions

More MI providers

Mailing address

13101 Allen Rd