MARY ANN FONTANAROSA (M.D.) – Internal Medicine Physician, NPI 1902824188

MARY ANN FONTANAROSA (M.D.) is a healthcare provider. based in Cortland, Ohio. specializing in INTERNAL MEDICINE. They hold the professional credentials M.D.. They hold a License No. 35050393 (OH). The NPI Number for MARY ANN FONTANAROSA (M.D.) is 1902824188

Main info

Female
Sole Proprietor
44 Years Of Experience
Accepts Medicare Assignment
Name
MARY ANN FONTANAROSA (M.D.)
NPI
1902824188
Phone
(330) 372-8800
Address
2600 ELM RD NE
Enumeration Date
17 July 2006
Last Update Date
2 August 2018

Doctor Profile

Medical School Name
UNIVERSITY OF TOLEDO COLLEGE OF MEDICINE
Secondary Phone
3303728800
Graduation Year
1982 (44 years ago)
PAC ID
6406800788
Group Practice PAC ID
3779537022
Professional Enrollment ID
I20050309000753
Address ID
OH444109393CO2600XNEXX400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

7,199 INTERNAL MEDICINE in OH

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Provider Addresses for MARY ANN FONTANAROSA (M.D.)

  • Elm Road, Cortlandt, New York, 10567, United States

    CORTLAND, OH 444109393

    Phone: (330) 372-8800

    Fax: (330) 372-8999

    Type: Mailing

  • 5, State Route 38, Harford Mills, Town of Harford, Cortland County, New York, 13835, United States

    CORTLAND, OH 444109393

    Phone: (330) 372-8800

    Fax: (330) 372-8999

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 18 Open Payments records for all available years, with a total value of $331.

Total Amount is formed as General ($331) + Research ($0) + Ownership ($0) = $331.

Last reported payment date: 2024-10-16 • Largest payer in this snapshot: Otsuka America Pharmaceutical, Inc. ($68).

Total Amount

$331

General + Research + Ownership

Payments

18

Total payment records

General Amount

$331

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-10-16

Latest reported date

View all Open Payments →|Open Payments Risk Radar →

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: 2005-03-09

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
I20050309000753IInternal MedicineOHTBD

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.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
36415Insertion of needle into vein for collection of blood sample401167$0
99214Established patient office or other outpatient visit, 30-39 minutes312173$0
80053Blood test, comprehensive group of blood chemicals240156$0
80061Blood test, lipids (cholesterol and triglycerides)214141$0
85027Complete blood cell count (red cells, white blood cell, platelets), automated test196141$0
View full utilization report →

Insurance plans in this area (ZIP 44410)

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Provider's Procedures

MARY ANN FONTANAROSA (M.D.) performs procedures in INTERNAL MEDICINE. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
INTERNAL MEDICINEOH83036Hemoglobin A1C level10057
INTERNAL MEDICINEOH90670Pneumococcal vaccine for injection into muscle2424
INTERNAL MEDICINEOH93010Routine electrocardiogram (EKG) using at least 12 leads with interpretation and report8664

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: 3779537022View full group profile
NameSpecialtyState
Internal MedicineOH
Nurse PractitionerOH
-OH
-OH
Internal MedicineOH
Nurse PractitionerPA
Family PracticeOH
Physician AssistantOH

Reviews

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Frequently asked questions

How do payers reference MARY ANN FONTANAROSA (M.D.)?
For MARY ANN FONTANAROSA (M.D.), use NPI 1902824188 as the unique 10-digit identifier.
Active or inactive — what applies to MARY ANN FONTANAROSA (M.D.)?
You should see MARY ANN FONTANAROSA (M.D.) as active in CMS-hosted NPPES data.
What expertise is attributed to MARY ANN FONTANAROSA (M.D.)?
MARY ANN FONTANAROSA (M.D.)'s specialty line reads Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
What practice footprint exists for MARY ANN FONTANAROSA (M.D.)?
Travel planning: use Cortland, Ohio as the reference point for MARY ANN FONTANAROSA (M.D.), then confirm.
When was this NPI issued?
Enumeration for MARY ANN FONTANAROSA (M.D.) is noted as July 17, 2006 where the registry provides it.

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