Mark Zacks, M.D.
NPI 1881658953 · Allergy & Immunology Physician · Brighton, MI
Mark Zacks, M.D. is a Allergy & Immunology Physician provider in Brighton, MI (NPI 1881658953).
Provider details
- NPI number
- 1881658953
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MZ035093 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-04-14
- Last updated
- 2009-12-18
Frequently asked questions
- What is Mark Zacks's NPI number?
- Mark Zacks's National Provider Identifier (NPI) is 1881658953, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Zacks's specialty?
- Mark Zacks is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Zacks located?
- Mark Zacks's practice location on file with NPPES is 8619 W Grand River Ave, Brighton, MI 48116-2334.
- What is Mark Zacks's phone number?
- The practice phone number listed in the NPPES registry for Mark Zacks is (810) 227-6793.
- Is Mark Zacks's NPI active?
- Yes — Mark Zacks's NPI (1881658953) is active in the NPPES registry as of the last update on 2009-12-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.