Guillermo Arturo Obregon Jr., MD
NPI 1033732227ActiveIndividual· Family Medicine· Brownsville, TX
Family Medicine (MD) with Hni Medical Services and 1 other group, practicing in Brownsville, Texas. In 2024 Medicare paid $44,506 for 160 patients, and Part D covered 705 of their prescriptions, 82% of them generic. Otsuka America Pharmaceutical, Inc. reported $16.12 in payments in 2025, mostly food and beverage. Lists Valley Regional Medical Center as a hospital affiliation.
Overview
| NPI | 1033732227 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 21, 2020 |
| Last updated in NPPES | Nov 20, 2024 |
| Certified by provider | Nov 20, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | U7734 | TX |
| Family Medicine | 207Q00000X | 24858 | NH |
| Internal Medicine | 207R00000X | 0101279888 | VA |
| Hospitalist | 208M00000X | U7734 | TX |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | NH |
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 - Family Practice (NH); Practitioner - Internal Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 160 |
|---|---|
| Services billed | 525 across 15 procedure codes |
| Paid by Medicare | $44,506 |
Part D prescriptions in 2024
| Prescriptions (claims) | 705 · 740 30-day fills |
|---|---|
| Patients | 136 |
| Total drug cost | $49,354 |
| Generic share | 82% of claims |
Education and affiliations
| Medicare specialty | Internal Medicine |
|---|
Medical groups
- Hni Medical ServicesMcAllen, TX · 33 clinicians
- Hni Physician Services of Texas IncLaredo, TX · 17 clinicians
Hospital affiliation
- Valley Regional Medical CenterBrownsville, TX
Other facilities
- Calidad Home HealthHospice · La Feria, TX
- Brownsville Nursing and Rehabilitation CenterNursing home · Brownsville, TX
- Ebony Lake Nursing and Rehabilitation CenterNursing home · Brownsville, TX
- Fox Hollow Post AcuteNursing home · Brownsville, TX
- Las Alturas Nursing & Transitional Care BrownsvillNursing home · Brownsville, TX
- Spanish MeadowsNursing home · Brownsville, TX
Industry payments (Open Payments)
- 2025$16.12 · 1 payment from 1 company
- 2024$47.71 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $16.12 | 1 |
What the 2025 payments were for
- Food and Beverage$16.12 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 73 family medicine physicians in Brownsville · All family medicine physicians in Texas