MARY ANN GIANNINI CNP
NPI 1659641223
Nurse Practitioner - Adult Health in Maumee, OH

Active since January 12, 2012PECOS EnrolledAccepts Medicare Assignment
5757 MONCLOVA RD, MAUMEE, OH 43537(419) 383-7400 Get Directions Write a Review

NPPES record last updated: May 25, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: May 25, 2026, May 24, 2026, Mar 5, 2026 (3 updates tracked since 2026).

About Mary Ann Giannini Cnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARY ANN GIANNINI CNP (NPI 1659641223) is an individual adult health provider in Maumee, Ohio, licensed in Ohio (12819-NP) and active in the NPI registry since January 2012. She is enrolled in Medicare PECOS, is affiliated with University Of Toledo Medical Center, and is a graduate of Other (2011).

NPPES Registry Identity

NPI1659641223
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameMARY ANN GIANNINICredential: CNP
Location Address5757 MONCLOVA RDMaumee, OH 43537-1863
Mailing Address5757 Monclova RdMaumee, OH 43537-1863 · (419) 383-7400
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateJanuary 12, 2012
Last NPPES UpdateMay 25, 20263 updates tracked since enumeration
NPPES CertifiedMay 25, 2026
NPI 1659641223 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License Licensed in OH · 12819-NP
Also ListedPrivate VehicleTaxonomy 347C00000X
Also ListedTechnician · Personal Care AttendantTaxonomy 3747P1801X
5757 MONCLOVA RD, Maumee, OH 43537

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mary Ann Giannini Cnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8325292782
PECOS Enrollment IDI20130212000274
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Of Toledo Medical Center

Acute Care Hospitals · Toledo, OH
3/5 CMS rating
OwnershipGovernment - State
CMS Certification Number360048
Location3000 Arlington AvenueToledo, OH 43699 · Lucas County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 43537 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.72 typical visit price
range $54.34 – $166.65
Typical copayment $21.18 (range $13.58 – $41.66)
Most-billed visit code 99203
Established Patient
$96.44 typical visit price
range $17.10 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Family Medicine
5757 MONCLOVA RD, STE 26
MAUMEE, OH 43537
Pediatrics
5757 MONCLOVA RD, #2
MAUMEE, OH 43537
Internal Medicine (Infectious Disease)
5757 MONCLOVA RD, SUITE25
MAUMEE, OH 43537
Internal Medicine
5757 MONCLOVA RD, SUITE 4
MAUMEE, OH 43537
Obstetrics & Gynecology (Gynecology)
5757 MONCLOVA RD, SUITE 14
MAUMEE, OH 43537
Family Medicine
5757 MONCLOVA RD, STE 24
MAUMEE, OH 43537
Colon & Rectal Surgery
5757 MONCLOVA RD, SUITE 17
MAUMEE, OH 43537
Physical Therapist
5757 MONCLOVA RD, SUITE 18
MAUMEE, OH 43537

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1659641223, enumerated as an "individual" on January 12, 2012.

The provider is located at 5757 MONCLOVA RD MAUMEE, OH 43537 and the phone number is (419) 383-7400.

Nurse Practitioner with taxonomy code 363LA2200X and a focus in Adult Health.

The provider might be accepting Accepts: Ambetter from Buckeye Health Plan, Ambetter from. Please consult your insurance carrier or call the provider to verify.

Mary Giannini is affiliated with: UNIVERSITY OF TOLEDO MEDICAL CENTER.