Quick answers
- Does Mary A. Fontanarosa accept Medicare assignment?
- Yes. Medicare's clinician data says Mary A. Fontanarosa accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Mary A. Fontanarosa see?
- In 2024, CMS data shows 258 Original Medicare patients and 1,590 services for Mary A. Fontanarosa. This counts Original Medicare only and measures volume, not quality.
- What is Mary A. Fontanarosa's NPI number?
- 1902824188. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Mary A. Fontanarosa, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 258 |
|---|---|
| Services billed to Medicare | 1,590 |
| Different services or procedures | 65 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)247 services
- Insertion of needle into vein for collection of blood sample (36415)189 services
- Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)119 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)96 services
- Blood test, comprehensive group of blood chemicals (80053)95 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis48%
- Diabetes33%
- Ischemic heart disease32%
- Chronic kidney disease29%
Hospitals where Mary A. Fontanarosa works
Medicare's Facility Affiliation Data lists Mary A. Fontanarosa at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- HMHP St Elizabeth Boardman Health CenterBoardman, OH · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 360276
- MH St Elizabeth Youngstown HospitalYoungstown, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360064
- MH St Joseph Warren HospitalWarren, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360161
- Surgical Hospital at SouthwoodsYoungstown, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 360352
Practice locations
Addresses where Mary A. Fontanarosa is enrolled with Medicare (CMS data updated October 2, 2026).
- 2600 Elm Rd NECortland, OH 44410 (330) 372‑8800
Group practices
Medicare enrollment lists Mary A. Fontanarosa as a member of this group (CMS data updated October 2, 2026).
- Trumbull Mahoning Medical Group, Inc.7 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Ohio
Clinicians with the same Medicare primary specialty in Ohio — not a recommendation.
Other clinicians in Trumbull Mahoning Medical Group, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Toledo College Of Medicine |
| Graduation year | 1982 (44 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1902824188 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians