Margarita Barreiro, MD
Endocrinology, Diabetes & Metabolism Physician · Cleveland, OH
Margarita Barreiro, MD is an endocrinology, diabetes & metabolism physician with a practice address in Cleveland, Ohio, and NPI 1891226874, issued on Mar 22, 2017. Check the license (Ohio 35.146124, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Margarita Barreiro
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 35.146124 OH
Self-reported in NPPES; status is on the state search - Practice location
- 11100 Euclid Ave, Cleveland, OH 44106
- Phone
- (216) 844-3142
- Enumerated
- Mar 22, 2017
- Record last updated
- Nov 7, 2022
- Fax
- (216) 844-3120
- Medicare enrollment
- Enrolled (PECOS I20220819002430); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 352 in Ohio → Look up another NPI →
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A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Margarita Barreiro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35.146124Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average endocrinology, diabetes & metabolism physician in 2024
5,308 Medicare Part D claims for 542 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 49% of claims.
Most prescribed
- Levothyroxine Sodium639 claims
- Trulicity432 claims
- Ozempic263 claims
- Jardiance246 claims
- Lantus Solostar233 claims
- Humalog Kwikpen U-100201 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 79.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $302.79
15 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. 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.
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
- University Hospitals Medical Group IncCleveland, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margarita Barreiro among 352 endocrinology, diabetes & metabolism physician records in Ohio
Margarita Barreiro, MD is one of 352 endocrinology, diabetes & metabolism physician records with a practice address in Ohio. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 85% of them.
- NPI issued2017 · 85% of these records are older, 13% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2015 · median 2004 among the 255 with a school on file
- Record last updated2022 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Ohio
There are 352 endocrinology, diabetes & metabolism physician records in Ohio.
All 352 in Ohio → Every provider in Cleveland → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Baha Arafah, MDCleveland, OH 441061578588497
- David Aron, MDCleveland, OH 441061699889931
- Betul HatipogluCleveland, OH 441061245343862
- Faramarz Ismail-Beigi, MDCleveland, OH 441061770509812
- Harrison Kaufman, MDCleveland, OH 441061447710595
- Clare KellyCleveland, OH 441061043771249
- Stephanie PittsCleveland, OH 441061326507583
- Laleh Razavi Nematollahi, M.D.Cleveland, OH 441061508030297
Common questions
What is Margarita Barreiro, MD's NPI number?
Margarita Barreiro, MD's National Provider Identifier (NPI) is 1891226874, issued on Mar 22, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Margarita Barreiro, MD located?
The NPPES record lists a practice address at 11100 Euclid Ave, Cleveland, OH, 44106. Phone: (216) 844-3142. Providers update this record themselves, so call before visiting.
How can I verify Margarita Barreiro, MD's license?
NPPES lists Ohio license number 35.146124, 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 Margarita Barreiro, MD prescribe under Medicare Part D?
In 2024, Margarita Barreiro, MD had 5,308 Medicare Part D claims for 542 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Margarita Barreiro, MD's MIPS final score?
The 2023 MIPS final score is 79.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.