Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Guillermo Arturo Obregon Jr., MD

Individual provider Family Medicine Physician · NPI 1033732227

Guillermo Arturo Obregon Jr., MD is an Internal Medicine in Brownsville, Texas. Practices with Hni Physician Services of Texas Inc, a 14-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in New Hampshire, Texas and Virginia.

Licensed in
NH, TX, VA
In the registry since
2020
Specialties on file
5
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

100 E Alton Gloor Blvd
Brownsville, TX 78526-3328
Phone: (956) 350-7000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 311 Route 108, Somersworth, NH 03878-1522 — (603) 749-2346

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence U7734 (TX)
Family Medicine Physician Taxonomy 207Q00000X · Licence 24858 (NH)
Internal Medicine Physician Taxonomy 207R00000X · Licence 0101279888 (VA)
Hospitalist Physician Taxonomy 208M00000X · Licence U7734 (TX)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X (NH)

Record details

NPI number1033732227
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 21, 2020
Last updated in NPPESNovember 20, 2024
Certification dateNovember 20, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Group practice Hni Physician Services Of Texas Inc — 14 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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