Mary Giannini, CNP
NPI 1659641223 · Adult Health Nurse Practitioner · Maumee, OH
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Giannini, CNP is a Adult Health Nurse Practitioner provider in Maumee, OH (NPI 1659641223).
Provider details
- NPI number
- 1659641223
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNP
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Personal Care Attendant3747P1801X
Nursing Service Related Providers
- Private Vehicle347C00000X
Transportation Services
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs 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
- 2012-01-12
- Last updated
- 2026-05-25
- Certified
- 2026-05-25
Frequently asked questions
- What is Mary Giannini's NPI number?
- Mary Giannini's National Provider Identifier (NPI) is 1659641223, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Giannini's specialty?
- Mary Giannini is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Giannini located?
- Mary Giannini's practice location on file with NPPES is 5757 Monclova Rd, Maumee, OH 43537-1863.
- What is Mary Giannini's phone number?
- The practice phone number listed in the NPPES registry for Mary Giannini is (419) 383-7400.
- Does Mary Giannini accept Medicare?
- Mary Giannini is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Giannini's NPI active?
- Yes — Mary Giannini's NPI (1659641223) is active in the NPPES registry as of the last update on 2026-05-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.