Gerald Greenan, DMD
NPI 1841080447 · Student in an Organized Health Care Education/Training Program · Detroit, MI
Enrolled with Medicare as Order and Referring Only - Dentist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gerald Greenan, DMD is a Student in an Organized Health Care Education/Training Program provider in Detroit, MI (NPI 1841080447).
Provider details
- NPI number
- 1841080447
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- DMD
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
- Student in an Organized Health Care Education/Training ProgramPrimary390200000XLicense 2951000995 (MI)
Student, Health Care
Student, Health Care
Profile Score
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
83% 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
- 2025-05-08
- Last updated
- 2025-06-14
- Certified
- 2025-06-14
Frequently asked questions
- What is Gerald Greenan's NPI number?
- Gerald Greenan's National Provider Identifier (NPI) is 1841080447, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gerald Greenan's specialty?
- Gerald Greenan is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Gerald Greenan located?
- Gerald Greenan's practice location on file with NPPES is University of Detroit Mercy, Detroit, MI 48208.
- What is Gerald Greenan's phone number?
- The practice phone number listed in the NPPES registry for Gerald Greenan is (313) 494-6873.
- Does Gerald Greenan accept Medicare?
- Gerald Greenan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gerald Greenan's NPI active?
- Yes — Gerald Greenan's NPI (1841080447) is active in the NPPES registry as of the last update on 2025-06-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.