Mary Ann Fontanarosa, M.D.
Internal Medicine Physician · Cortland, OH
Mary Ann Fontanarosa, M.D. is an internal medicine physician with a practice address in Cortland, Ohio, and NPI 1902824188, issued on Jul 17, 2006. Check the license (Ohio 35050393, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Mary Ann Fontanarosa
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 35050393 OH
Self-reported in NPPES; status is on the state search - Practice location
- 2600 State Route 5, Cortland, OH 44410
- Phone
- (330) 372-8800
- Enumerated
- Jul 17, 2006
- Record last updated
- Aug 2, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (330) 372-8999
- Medicaid ID
- 0631801 OH
- Medicare enrollment
- Enrolled (PECOS I20050309000753); accepts Medicare assignment
- Medical or professional school
- University Of Toledo College Of Medicine, 1982
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,277 in Ohio → Look up another NPI →
Also registered at 2600 State Route 5
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Lynnette Dotson, CNPFamily Nurse Practitioner1770767972
- Leonard Kanterman, M.D.Internal Medicine Physician1952335622
- Benjamin Kulper, M.D.Internal Medicine Physician1174557854
- Dan Olson, M.D.Internal Medicine Physician1417981077
- Ruth Quarles, M.D.Family Medicine Physician1508892811
Verify Mary Ann Fontanarosa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35050393Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average internal medicine physician in 2024
7,036 Medicare Part D claims for 490 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 129 claims were for opioids.
Most prescribed
- Amlodipine Besylate478 claims
- Levothyroxine Sodium363 claims
- Simvastatin334 claims
- Atorvastatin Calcium247 claims
- Atenolol240 claims
- Losartan Potassium231 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $189.20
10 payments; by number, the most common kind was food and beverage; the largest payer was Otsuka America Pharmaceutical, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Trumbull Mahoning Medical Group, Inc.Cortland, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Ann Fontanarosa among 5,277 internal medicine physician records in Ohio
Mary Ann Fontanarosa, M.D. is one of 5,277 internal medicine physician records with a practice address in Ohio. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 55% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1982 · median 2006 among the 3,414 with a school on file
- Record last updated2018 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 internal medicine physician records list a practice address in Cortland
They are 8 of the 206 NPPES records with a practice address in Cortland, and 5,277 internal medicine physician records in Ohio.
All 5,277 in Ohio → Every provider in Cortland → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Gary Gibson, MDCortland, OH 444101821097486
- Leonard Kanterman, M.D.Cortland, OH 444101952335622
- Benjamin Kulper, M.D.Cortland, OH 444101174557854
- Dan Olson, M.D.Cortland, OH 444101417981077
- Mourad Rostom, M.D.Cortland, OH 444101427088715
- Sohair Rostom, M.D.Cortland, OH 444101306876693
- Sameh Youssef, M.D.Cortland, OH 444101023042850
- Albert Buch, D.O.Columbiana, OH 444081609968734
Common questions
What is Mary Ann Fontanarosa, M.D.'s NPI number?
Mary Ann Fontanarosa, M.D.'s National Provider Identifier (NPI) is 1902824188, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Ann Fontanarosa, M.D. located?
The NPPES record lists a practice address at 2600 State Route 5, Cortland, OH, 44410. Phone: (330) 372-8800. Providers update this record themselves, so call before visiting.
How can I verify Mary Ann Fontanarosa, M.D.'s license?
NPPES lists Ohio license number 35050393, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mary Ann Fontanarosa, M.D. prescribe under Medicare Part D?
In 2024, Mary Ann Fontanarosa, M.D. had 7,036 Medicare Part D claims for 490 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.