Rosemarie Lajara, MD
NPI 1780862102ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Plano, TX
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Plano, Texas, trained at University of Puerto Rico School of Medicine (class of 1983). Their prescriptions cost Medicare Part D more than their services did: $1,197,913 for 1,788 claims, against $10,995 paid for services in 2024. Abbott Laboratories was the largest of 21 companies reporting payments in 2025, $225,517 in all, mostly speaking and faculty fees.
Overview
| NPI | 1780862102 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 7, 2008 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | J3835 | TX |
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 - Endocrinology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 64 |
|---|---|
| Services billed | 217 across 20 procedure codes |
| Paid by Medicare | $10,995 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,788 · 4,177 30-day fills |
|---|---|
| Patients | 208 |
| Total drug cost | $1,197,913 |
| Generic share | 36% of claims |
Education and affiliations
| Medical school | University of Puerto Rico School of Medicine |
|---|---|
| Graduation year | 1983 |
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
Medical group
- Southern Endocrinology AssociatesMesquite, TX · 7 clinicians
Industry payments (Open Payments)
- 2025$225,517 · 399 payments from 21 companies
- 2024$126,475 · 267 payments from 24 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $100,923 | 146 |
| Novo Nordisk Inc | $44,092 | 56 |
| Sequel Med Tech, LLC | $31,000 | 37 |
| Insulet Corporation | $18,022 | 35 |
| Corcept Therapeutics | $11,276 | 22 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$60,281 · 21 payments
- Compensation for serving as faculty or as a speaker for a medical education program$55,550 · 34 payments
- Travel and Lodging$46,666 · 122 payments
- Consulting Fee$43,403 · 15 payments
- Food and Beverage$9,834 · 204 payments
- Honoraria$9,783 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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