IndividualActive
Michael Zambiasi, MA, LLP
NPI 1144330820 · Psychologist · Muskegon, MI
Michael Zambiasi, MA, LLP is a Psychologist provider in Muskegon, MI (NPI 1144330820).
Provider details
- NPI number
- 1144330820
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- MA, LLP
- Sex
- Male
- Sole proprietor
- No
- License
- 6301008404 (MI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 index)
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
1150 E Sherman Blvd
Muskegon, MI 49444-1871
Phone: (231) 733-8231
Street-level locationGet directions
Mailing address
300 68th St Se
Grand Rapids, MI 49548-6927
Registry dates
- Enumerated
- 2006-08-30
- Last updated
- 2007-07-08
Frequently asked questions
- What is Michael Zambiasi's NPI number?
- Michael Zambiasi's National Provider Identifier (NPI) is 1144330820, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Zambiasi's specialty?
- Michael Zambiasi is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Michael Zambiasi located?
- Michael Zambiasi's practice location on file with NPPES is 1150 E Sherman Blvd, Muskegon, MI 49444-1871.
- What is Michael Zambiasi's phone number?
- The practice phone number listed in the NPPES registry for Michael Zambiasi is (231) 733-8231.
- Is Michael Zambiasi's NPI active?
- Yes — Michael Zambiasi's NPI (1144330820) 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.