Mark Gerios, MA LLPC
NPI 1629209887 · Addiction (Substance Use Disorder) Counselor · Detroit, MI
Mark Gerios, MA LLPC is a Addiction (Substance Use Disorder) Counselor provider in Detroit, MI (NPI 1629209887).
Provider details
- NPI number
- 1629209887
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- MA LLPC
- Sex
- Male
- Sole proprietor
- No
- License
- 6401006214 (MI)
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
16 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
- 2009-08-05
- Last updated
- 2010-05-17
Frequently asked questions
- What is Mark Gerios's NPI number?
- Mark Gerios's National Provider Identifier (NPI) is 1629209887, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Gerios's specialty?
- Mark Gerios is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Mark Gerios located?
- Mark Gerios's practice location on file with NPPES is 751 E Grand Blvd, Detroit, MI 48207-2529.
- What is Mark Gerios's phone number?
- The practice phone number listed in the NPPES registry for Mark Gerios is (313) 922-2222.
- Is Mark Gerios's NPI active?
- Yes — Mark Gerios's NPI (1629209887) is active in the NPPES registry as of the last update on 2010-05-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.