Guillermo Arturo Obregon, MD

Internal medicine physician in Harlingen, Texas · NPI 1033732227

Guillermo Obregon is one of 63 internal medicine physicians practicing in Harlingen, Texas. Guillermo Obregon practices with HNI Medical Services and HNI Physician Services Of Texas Inc.

Registry record (NPPES)

NPI
1033732227
Type
Type 1 · Individual
Primary taxonomy
Family Medicine · 207Q00000X
Address on file
100 E Alton Gloor Blvd
Brownsville, TX 78526-3328
(956) 350-7000
Enumerated
May 21, 2020
Record last updated
Nov 20, 2024
License states listed
NH, TX, VA

Medicare (CMS)

Enrollment
Medicare-enrolled in NH, TX
Family Practice, Internal Medicine
Revalidation due
No date set by CMS

The registry stops here. NPivot keeps going.

  • Part D prescribing
  • Procedure volumes by CPT code
  • Group affiliations and colleagues
  • Full enrollment history
See the full profile free Free account. No card, no call.

Practice locations

More internal medicine physicians in Harlingen

Updated August 2026. Practice locations and specialty come from the CMS Doctors and Clinicians file, the registry record from NPPES, and enrollment from CMS Medicare enrollment files. NPI records are corrected at the source, through NPPES.