Adam Horwitz, PHD
NPI 1548511868 · Clinical Psychologist · Ann Arbor, MI
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Adam Horwitz, PHD is a Clinical Psychologist provider in Ann Arbor, MI (NPI 1548511868).
Provider details
- NPI number
- 1548511868
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 6301017529 (MI)
Specialties & taxonomies
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
13 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 530 Church StAnn Arbor, MI 48109-1043Phone: (734) 764-3471
Registry dates
- Enumerated
- 2012-09-26
- Last updated
- 2018-12-17
Frequently asked questions
- What is Adam Horwitz's NPI number?
- Adam Horwitz's National Provider Identifier (NPI) is 1548511868, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Adam Horwitz's specialty?
- Adam Horwitz is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Adam Horwitz located?
- Adam Horwitz's practice location on file with NPPES is 4250 Plymouth Rd, Ann Arbor, MI 48109-2700.
- What is Adam Horwitz's phone number?
- The practice phone number listed in the NPPES registry for Adam Horwitz is (734) 764-6443.
- Does Adam Horwitz accept Medicare?
- Adam Horwitz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Adam Horwitz's NPI active?
- Yes — Adam Horwitz's NPI (1548511868) is active in the NPPES registry as of the last update on 2018-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.