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Marieta Gainer
NPI 1639066806 · Medical-Surgical Registered Nurse · Detroit, MI
Marieta Gainer is a Medical-Surgical Registered Nurse provider in Detroit, MI (NPI 1639066806).
Provider details
- NPI number
- 1639066806
- Entity type
- Individual
- Primary specialty
- Medical-Surgical Registered NurseNursing Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 4704292688 (MI)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Established profile(54/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
4646 John R St
Detroit, MI 48201-1916
Phone: (313) 576-1000
Street-level locationGet directions
Mailing address
4164 Cooper Ave
Royal Oak, MI 48073-1506
Registry dates
- Enumerated
- 2025-06-20
- Last updated
- 2025-06-20
- Certified
- 2025-06-20
Frequently asked questions
- What is Marieta Gainer's NPI number?
- Marieta Gainer's National Provider Identifier (NPI) is 1639066806, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marieta Gainer's specialty?
- Marieta Gainer is listed in the NPPES registry with a primary specialty of Medical-Surgical Registered Nurse (Nursing Service Providers).
- Where is Marieta Gainer located?
- Marieta Gainer's practice location on file with NPPES is 4646 John R St, Detroit, MI 48201-1916.
- What is Marieta Gainer's phone number?
- The practice phone number listed in the NPPES registry for Marieta Gainer is (313) 576-1000.
- Is Marieta Gainer's NPI active?
- Yes — Marieta Gainer's NPI (1639066806) is active in the NPPES registry as of the last update on 2025-06-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.