Karla A. Berrios Sierra, M.D.
NPI 1558590059ActiveIndividual· Family Medicine· San Juan, PR
Family Medicine (M.D.) in San Juan, Puerto Rico, licensed in PR, with an NPI issued in July 2009. Their prescriptions cost Medicare Part D more than their services did: $362,519 for 8,637 claims, against $2,401 paid for services in 2024. Lilly USA, LLC was the largest of 3 companies reporting payments in 2025, $279.82 in all, mostly food and beverage.
Overview
| NPI | 1558590059 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 7, 2009 |
| Last updated in NPPES | Nov 11, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 18935 | PR |
| Family Medicine, Geriatric Medicine | 207QG0300X | 18935 | PR |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Family Practice (PR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 11 |
|---|---|
| Services billed | 43 across 5 procedure codes |
| Paid by Medicare | $2,401 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,637 · 10,075 30-day fills |
|---|---|
| Patients | 295 |
| Total drug cost | $362,519 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Family Practice |
| Secondary specialties | Geriatric Medicine |
| Telehealth | Offers telehealth |
Industry payments (Open Payments)
- 2025$279.82 · 4 payments from 3 companies
- 2024$193.22 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $236.58 | 2 |
| Abbvie Inc. | $23.24 | 1 |
| E.R. Squibb & Sons, L.L.C. | $20.00 | 1 |
What the 2025 payments were for
- Food and Beverage$279.82 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Family Medicine providers in San Juan
- 1437622065
- 1174049100
- 1760870695
- 1770536799
- 1336799725
- 1235977794
- 1598798563
- 1912795790
- 1114230752
- 1053269548
- 1386739860
- 1033032966