Naomi Collazo Gutierrez, MD
NPI 1225427651ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Manati, PR
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) with Endocrinology and Diabetes Wellness Center, practicing in Manati, Puerto Rico. Their prescriptions cost Medicare Part D more than their services did: $3,973,663 for 11,303 claims, against $4,186 paid for services in 2024. Beta Bionics, Inc. was the largest of 7 companies reporting payments in 2025, $509.00 in all, mostly food and beverage. Lists Manati Medical Center Dr Otero Lopez as a hospital affiliation.
Overview
| NPI | 1225427651 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jan 22, 2015 |
| Last updated in NPPES | May 25, 2022 |
| Certified by provider | May 9, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 019330 | PR |
| General Acute Care Hospital | 282N00000X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Endocrinology (PR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 36 |
|---|---|
| Services billed | 78 across 8 procedure codes |
| Paid by Medicare | $4,186 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,303 · 18,844 30-day fills |
|---|---|
| Patients | 1,491 |
| Total drug cost | $3,973,663 |
| Generic share | 29% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
Medical group
- Endocrinology and Diabetes Wellness CenterAibonito, PR · 3 clinicians
Hospital affiliation
- Manati Medical Center Dr Otero LopezManati, PR
Industry payments (Open Payments)
- 2025$509.00 · 18 payments from 7 companies
- 2024$358.43 · 15 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Beta Bionics, Inc. | $115.74 | 1 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $96.49 | 4 |
| Amgen Inc. | $95.39 | 4 |
| Novo Nordisk Inc | $81.85 | 3 |
| Eli Lilly Export S.A. Puerto Rico Branch | $69.17 | 3 |
What the 2025 payments were for
- Food and Beverage$509.00 · 18 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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