MARY ANN FONTANAROSA (M.D.) – Internal Medicine Physician, NPI 1902824188
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Otsuka America Pharmaceutical, Inc. | $68 |
| AstraZeneca Pharmaceuticals LP | $40 |
| PFIZER INC. | $39 |
| Amgen Inc. | $30 |
| Merck Sharp & Dohme LLC | $28 |
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
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20050309000753 | I | Internal Medicine | OH | TBD |
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.
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
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 36415 | Insertion of needle into vein for collection of blood sample | 401 | 167 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 312 | 173 | $0 |
| 80053 | Blood test, comprehensive group of blood chemicals | 240 | 156 | $0 |
| 80061 | Blood test, lipids (cholesterol and triglycerides) | 214 | 141 | $0 |
| 85027 | Complete blood cell count (red cells, white blood cell, platelets), automated test | 196 | 141 | $0 |
Insurance plans in this area (ZIP 44410)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | OH | 83036 | Hemoglobin A1C level | 100 | 57 |
| INTERNAL MEDICINE | OH | 90670 | Pneumococcal vaccine for injection into muscle | 24 | 24 |
| INTERNAL MEDICINE | OH | 93010 | Routine electrocardiogram (EKG) using at least 12 leads with interpretation and report | 86 | 64 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | OH | |
| Nurse Practitioner | OH | |
| - | OH | |
| - | OH | |
| Internal Medicine | OH | |
| Nurse Practitioner | PA | |
| Family Practice | OH | |
| Physician Assistant | OH |
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