NPPES file of Aug 9, 2026

Marco Rosario Corallo, D.O.

Endocrinology, Diabetes & Metabolism Physician · Beloit, OH

Marco Rosario Corallo, D.O. is an endocrinology, diabetes & metabolism physician with a practice address in Beloit, Ohio, and NPI 1568550549, issued on Oct 11, 2006. Check the license (Ohio 34007287, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1568550549
Name
Marco Rosario Corallo
Credential
D.O.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
34007287 OH
Self-reported in NPPES; status is on the state search
Practice location
18586 5TH St, Beloit, OH 44609
Phone
(330) 938-3333
Enumerated
Oct 11, 2006
Record last updated
Sep 4, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(330) 938-9375
Medicaid ID
2176827 OH
Medicare enrollment
Enrolled (PECOS I20040121000049); accepts Medicare assignment
Medical or professional school
New York College Of Osteo Medicine Of New York Institute Of Technology, 1994
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 18586 5TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. David Corallo, DODermatology Physician1225126212
  2. Melissa Covert, MSN, APRN, FNP-BCNurse Practitioner1912541103
  3. Nicole Didonato, P.A.Physician Assistant1760909436
  4. Brook Gram, PA-CPhysician Assistant1740321090
  5. Leslee RuszkowskiPodiatrist1285601757

Verify Marco Rosario Corallo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 34007287
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Ohio license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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22% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

2,043 Medicare Part D claims for 513 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 38% of claims.

  1. Marco Corallo2,043
  2. Specialty average2,630

Most prescribed

  1. Levothyroxine Sodium218 claims
  2. Rosuvastatin Calcium97 claims
  3. Metformin Hcl96 claims
  4. Synthroid78 claims
  5. Atorvastatin Calcium76 claims
  6. Ozempic70 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: $38.14

2 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Marco Corallo$38.14
  2. Specialty average$5,742.15

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

  1. River Valley Physicians LLCEast Liverpool, OH

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

1 endocrinology, diabetes & metabolism physician records list a practice address in Beloit

They are 1 of the 27 NPPES records with a practice address in Beloit, and 352 endocrinology, diabetes & metabolism physician records in Ohio.

Other endocrinology, diabetes & metabolism physician records in Ohio

  1. Fadia AbdoCleveland, OH1285206649
  2. Abdul-Badi Abou-Samra, M.D., PH.D.Toledo, OH1932195203
  3. Laila Abu Zaid, M.D.Cincinnati, OH1245588730
  4. Milad Abusag, MDPoland, OH1922317122
  5. Sarah Ackah, MD, MPHColumbus, OH1780117374
  6. Hussein Adly, M.D.Mansfield, OH1013460575
  7. Omar Akhtar, M.B.B.S.Cincinnati, OH1902093081
  8. Divya Akshintala, M.D.Columbus, OH1215343603
  9. Maher Al-Samkari, DODayton, OH1477746071
  10. Jimmy Alele, MDLima, OH1447368311

Common questions

What is Marco Rosario Corallo, D.O.'s NPI number?

Marco Rosario Corallo, D.O.'s National Provider Identifier (NPI) is 1568550549, issued on Oct 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marco Rosario Corallo, D.O. located?

The NPPES record lists a practice address at 18586 5TH St, Beloit, OH, 44609. Phone: (330) 938-3333. Providers update this record themselves, so call before visiting.

How can I verify Marco Rosario Corallo, D.O.'s license?

NPPES lists Ohio license number 34007287, 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 Marco Rosario Corallo, D.O. prescribe under Medicare Part D?

In 2024, Marco Rosario Corallo, D.O. had 2,043 Medicare Part D claims for 513 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.