Doctor profile · Federal record

Dr. Margarita Barreiro, MD

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Student in an Organized Health Care Education/Training Program · Cleveland, OH

  • NPI 1891226874
  • Accepts Medicare
  • MIPS 79.5 / 100 · 2023
  • 11 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
11100 Euclid Ave
Cleveland, OH 441061716
(216) 844-3142
fax (216) 844-3120
Additional location
100 Madison Ave
Morristown, NJ 079606136
(973) 971-5000
Mailing address
11100 Euclid Avenue, Mailstop Lks5030
Cleveland, OH 44106

Credentials & registration

NPPES · NUCC
NPI registered
March 2017 — 9 yrs on file
Profile last updated
November 7, 2022
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
Ohio #35.146124

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891226874. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
192
Distinct HCPCS
6
Medicare allowed
$19,547
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 61 45 $122
99204 New patient office or other outpatient visit, 45-59 minutes 42 42 $159
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 28 14 $76
99213 Established patient office or other outpatient visit, 20-29 minutes 27 23 $84
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 18 11 $48
83036 Hemoglobin a1c level 16 14 $10

In context: peer comparison

Among 20 peers in this city , average services per provider: 64. This provider delivers 3.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$303
Transactions
15
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 4 $72.33
Neurocrine Biosciences, Inc. 3 $61.59
Abbott Laboratories 2 $49.08
Averitas Pharma Inc. 2 $46.36
Novo Nordisk Inc 2 $33.56
Alexion Pharmaceuticals, Inc. 1 $23.77
Dexcom, Inc. 1 $16.10

By nature of payment

Food and Beverage
$303

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
931
Patients
302
Total drug cost
$428,971
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 174 56 $2,164
Jardiance (Empagliflozin) Brand 158 39 $123,557
Trulicity (Dulaglutide) Brand 139 40 $171,931
Metformin Hcl Generic 72 23 $658
Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) Brand 58 29 $26,535
Metformin Hcl Er (Metformin Hcl) Brand 56 27 $698
Humalog Kwikpen U-100 (Insulin Lispro) Brand 49 20 $31,372
Ozempic (Semaglutide) Brand 37 12 $40,053
Glipizide Generic 36 0 $137
Atorvastatin Calcium Generic 33 15 $507

Frequently asked questions

Auto-generated from federal data
What is Dr. Margarita Barreiro's medical specialty?
Dr. Margarita Barreiro practices Endocrinology, Diabetes & Metabolism Physician in Cleveland, OH.
Where does Dr. Margarita Barreiro practice?
Dr. Margarita Barreiro practices at 11100 Euclid Ave, Cleveland, OH 441061716. Office phone: 2168443142.
What is Dr. Margarita Barreiro's NPI?
Dr. Margarita Barreiro's National Provider Identifier (NPI) is 1891226874, issued by NPPES.
Does Dr. Margarita Barreiro accept Medicare assignment?
Yes. Dr. Margarita Barreiro accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margarita Barreiro commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.