Margarita Barreiro, MD
NPI 1891226874 · Endocrinology, Diabetes & Metabolism Physician · Cleveland, OH
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margarita Barreiro, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Cleveland, OH (NPI 1891226874).
Provider details
- NPI number
- 1891226874
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 0
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
506 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 172 | $120 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 70 | $85 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 64 | $33 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 43 | $75 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 34 | $124 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 74 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 639 | 145 |
| Dulaglutidebrand: Trulicity | 432 | 86 |
| Semaglutidebrand: Ozempic | 263 | 47 |
| Empagliflozinbrand: Jardiance | 246 | 64 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 233 | 81 |
| Insulin Lisprobrand: Humalog Kwikpen U-100 | 201 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$303 across 15 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 100 Madison AveMorristown, NJ 07960-6136Phone: (973) 971-5000
Registry dates
- Enumerated
- 2017-03-22
- Last updated
- 2022-11-07
- Certified
- 2022-11-07
Frequently asked questions
- What is Margarita Barreiro's NPI number?
- Margarita Barreiro's National Provider Identifier (NPI) is 1891226874, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margarita Barreiro's specialty?
- Margarita Barreiro is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Margarita Barreiro located?
- Margarita Barreiro's practice location on file with NPPES is 11100 Euclid Ave, Cleveland, OH 44106-1716.
- What is Margarita Barreiro's phone number?
- The practice phone number listed in the NPPES registry for Margarita Barreiro is (216) 844-3142.
- Does Margarita Barreiro accept Medicare?
- Margarita Barreiro is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margarita Barreiro's NPI active?
- Yes — Margarita Barreiro's NPI (1891226874) is active in the NPPES registry as of the last update on 2022-11-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.