IndividualActive
Mary Nicolai, P.C.
NPI 1669659553 · Professional Counselor · Holly, MI
Mary Nicolai, P.C. is a Professional Counselor provider in Holly, MI (NPI 1669659553).
Provider details
- NPI number
- 1669659553
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Credential
- P.C.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 6401009429 (MI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
113 S Saginaw St
Holly, MI 48442-1611
Phone: (248) 328-9642
Street-level locationGet directions
Mailing address
113 South Saginaw
Holly, MI 48433-4844
Registry dates
- Enumerated
- 2008-01-23
- Last updated
- 2008-01-23
Frequently asked questions
- What is Mary Nicolai's NPI number?
- Mary Nicolai's National Provider Identifier (NPI) is 1669659553, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Nicolai's specialty?
- Mary Nicolai is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Mary Nicolai located?
- Mary Nicolai's practice location on file with NPPES is 113 S Saginaw St, Holly, MI 48442-1611.
- What is Mary Nicolai's phone number?
- The practice phone number listed in the NPPES registry for Mary Nicolai is (248) 328-9642.
- Is Mary Nicolai's NPI active?
- Yes — Mary Nicolai's NPI (1669659553) is active in the NPPES registry as of the last update on 2008-01-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.