Mary Fontanarosa, M.D.
NPI 1902824188 · Internal Medicine Physician · Cortland, OH
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Fontanarosa, M.D. is a Internal Medicine Physician provider in Cortland, OH (NPI 1902824188).
Provider details
- NPI number
- 1902824188
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 35050393 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,353 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 247 | $121 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 189 | $9 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 119 | $59 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 96 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 95 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test85027 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 100 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 478 | 132 |
| Levothyroxine Sodium | 363 | 94 |
| Simvastatin | 334 | 90 |
| Atorvastatin Calcium | 247 | 66 |
| Atenolol | 240 | 65 |
| Losartan Potassium | 231 | 57 |
| Hydrochlorothiazide | 219 | 62 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$189 across 10 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-17
- Last updated
- 2018-08-02
Frequently asked questions
- What is Mary Fontanarosa's NPI number?
- Mary Fontanarosa's National Provider Identifier (NPI) is 1902824188, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Fontanarosa's specialty?
- Mary Fontanarosa is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Fontanarosa located?
- Mary Fontanarosa's practice location on file with NPPES is 2600 State Route 5, Cortland, OH 44410-9393.
- What is Mary Fontanarosa's phone number?
- The practice phone number listed in the NPPES registry for Mary Fontanarosa is (330) 372-8800.
- Does Mary Fontanarosa accept Medicare?
- Mary Fontanarosa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Fontanarosa's NPI active?
- Yes — Mary Fontanarosa's NPI (1902824188) is active in the NPPES registry as of the last update on 2018-08-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.