Guillermo Arturo Obregon, MD
Family Medicine Physician · Brownsville, TX
Guillermo Arturo Obregon, MD is a family medicine physician with a practice address in Brownsville, Texas, and NPI 1033732227, issued on May 21, 2020. Check the license (Texas U7734, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Guillermo Arturo Obregon
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- U7734 TX
24858 NH
0101279888 VA
Self-reported in NPPES; status is on the state search - Practice location
- 100 E Alton Gloor Blvd, Brownsville, TX 78526
- Phone
- (956) 350-7000
- Enumerated
- May 21, 2020
- Record last updated
- Nov 20, 2024
- Medicare enrollment
- Enrolled (PECOS I20240202003882); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Also registered at 100 E Alton Gloor Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Guillermo Arturo Obregon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license U7734Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average family medicine physician in 2024
705 Medicare Part D claims for 136 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Furosemide38 claims
- Atorvastatin Calcium31 claims
- Metoprolol Tartrate30 claims
- Clopidogrel20 claims
- Eliquis20 claims
- Carvedilol19 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $47.71
2 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Greater Seacoast Community HealthSomersworth, NH
- Hni Medical ServicesHarlingen, TX
- Hni Physician Services OF Texas IncLaredo, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Guillermo Arturo Obregon among 11,119 family medicine physician records in Texas
Guillermo Arturo Obregon, MD is one of 11,119 family medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 88% of them.
- NPI issued2020 · 88% of these records are older, 9% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Record last updated2024 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
30 family medicine physician records list a practice address in Brownsville
They are 30 of the 1,671 NPPES records with a practice address in Brownsville, and 11,119 family medicine physician records in Texas.
All 11,119 in Texas → Every provider in Brownsville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Belyin Arevalo, APRNBrownsville, TX 785261629850268
- Maribel Cantu, M.D.Brownsville, TX 785261669600318
- Stephania MontemayorBrownsville, TX 785261457161820
- Netter Ortiz, MDBrownsville, TX 785261376036988
- David OrtizBrownsville, TX 785261891436614
- Manjula Raguthu, M.D.Brownsville, TX 785261932162617
- Luis Robles, M.D.Brownsville, TX 785261295753127
- Cynthia Robles, MDBrownsville, TX 785261023548856
Common questions
What is Guillermo Arturo Obregon, MD's NPI number?
Guillermo Arturo Obregon, MD's National Provider Identifier (NPI) is 1033732227, issued on May 21, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Guillermo Arturo Obregon, MD located?
The NPPES record lists a practice address at 100 E Alton Gloor Blvd, Brownsville, TX, 78526. Phone: (956) 350-7000. Providers update this record themselves, so call before visiting.
How can I verify Guillermo Arturo Obregon, MD's license?
NPPES lists Texas license number U7734, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Guillermo Arturo Obregon, MD prescribe under Medicare Part D?
In 2024, Guillermo Arturo Obregon, MD had 705 Medicare Part D claims for 136 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.