Layla Cristal Barrera, DO
NPI 1447788575ActiveIndividual· Internal Medicine· Stony Brook, NY
Internal Medicine (DO) in Stony Brook, New York, trained at Touro Un Col of Osteopathic Medicine, Henderson (class of 2017). 250 Medicare patients in 2024, $62,225 paid; nearly all of their 56 Part D prescriptions were generic (93%). Abbvie Inc. was the largest of 3 companies reporting payments in 2024, $110.77 in all, mostly food and beverage.
Overview
| NPI | 1447788575 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jun 2, 2017 |
| Last updated in NPPES | Apr 8, 2024 |
| Certified by provider | Apr 8, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 305259 | NY |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Hospitalist (NY); Practitioner - Internal Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 250 |
|---|---|
| Services billed | 811 across 8 procedure codes |
| Paid by Medicare | $62,225 |
Part D prescriptions in 2024
| Prescriptions (claims) | 56 · 74 30-day fills |
|---|---|
| Patients | 27 |
| Total drug cost | $1,333 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | Touro Un Col of Osteopathic Medicine, Henderson |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Hospitalist |
Medical group
- Stony Brook Internists University Faculty Practice CorporationStony Brook, NY · 428 clinicians
Hospital affiliation
- Suny/Stony Brook University HospitalStony Brook, NY
Industry payments (Open Payments)
- 2024$110.77 · 5 payments from 3 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $57.52 | 3 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $28.08 | 1 |
| Janssen Pharmaceuticals, Inc | $25.17 | 1 |
What the 2024 payments were for
- Food and Beverage$110.77 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 132 internal medicine physicians in Stony Brook · All internal medicine physicians in New York