MARY ANN GIANNINI (CNP) – Adult Health Nurse Practitioner, NPI 1659641223

MARY ANN GIANNINI (CNP) is a healthcare provider. based in Maumee, Ohio. specializing in NURSE PRACTITIONER. They hold the professional credentials CNP. They hold a License No. 12819-NP (OH). The NPI Number for MARY ANN GIANNINI (CNP) is 1659641223

Main info

Female
15 Years Of Experience
Accepts Medicare Assignment
Name
MARY ANN GIANNINI (CNP)
NPI
1659641223
Phone
(419) 383-7400
Address
5757 MONCLOVA RD
Enumeration Date
12 January 2012
Last Update Date
5 March 2026

Doctor Profile

Medical School Name
OTHER
Secondary Phone
3379919276
Graduation Year
2011 (15 years ago)
PAC ID
8325292782
Group Practice PAC ID
7315328069
Professional Enrollment ID
I20130212000274
Address ID
OH430827240WE9200XRDXX301
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience62
Completeness85
Years active:14State licenses:1Digital endpointsOther names

14,989 NURSE PRACTITIONER in OH

Provider Addresses for MARY ANN GIANNINI (CNP)

  • 5757 MONCLOVA RD

    MAUMEE, OH 435371863

    Phone: (419) 383-7400

    Type: Mailing

  • 3000 ARLINGTON AVE

    TOLEDO, OH 436142595

    Phone: (419) 383-7400

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2013-02-12

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20130212000274INurse PractitionerOHTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 43537)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 7315328069View full group profile
NameSpecialtyState
Nurse PractitionerOH
Nurse PractitionerOH
Nurse PractitionerOH
Nurse PractitionerOH
Nurse PractitionerOH
Nurse PractitionerOH
Nurse PractitionerMI
Internal MedicineOH
Physician AssistantOH
Nurse PractitionerOH

Reviews

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Frequently asked questions

What NPI should I save for MARY ANN GIANNINI (CNP)?
Save NPI 1659641223 if you need a stable reference for MARY ANN GIANNINI (CNP).
Does this profile mean MARY ANN GIANNINI (CNP) is currently active?
Yes — MARY ANN GIANNINI (CNP) appears active in the national provider directory.
What field does MARY ANN GIANNINI (CNP) work in?
You can think of MARY ANN GIANNINI (CNP) as practicing within Adult Health Nurse Practitioner. Clinical services aligned with this taxonomy classification.
Does MARY ANN GIANNINI (CNP) practice in Ohio?
You will see Maumee, Ohio on file for MARY ANN GIANNINI (CNP) alongside any extra practice locations.
Is this NPI for an individual or an organization?
This listing corresponds to an Individual Provider.

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