NPPES file of Aug 9, 2026

Oscar Andres Guillama, MD

Diagnostic Radiology Physician · Houston, TX

Oscar Andres Guillama, MD is a diagnostic radiology physician with a practice address in Houston, Texas, and NPI 1003378977, issued on Apr 1, 2019. Check the license (Texas BP10073826, as entered in NPPES) on the Texas Medical Board; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1003378977
Name
Oscar Andres Guillama
Credential
MD
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License numbers
BP10073826 TX
34923R PR
Self-reported in NPPES; status is on the state search
Practice location
1400 Pressler St, Houston, TX 77030
Phone
(713) 792-6182
Enumerated
Apr 1, 2019
Record last updated
Apr 28, 2026
Medicare enrollment
Enrolled (PECOS I20260318000148); may accept Medicare assignment
Medical or professional school
San Juan Bautista School Of Medicine, 2020
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest diagnostic radiology physician records → All 3,124 in Texas → Look up another NPI →

Also registered at 1400 Pressler St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. David Adelman, M.D. PH.D.Plastic Surgery Physician1457541500
  2. Hubert Chuang, MDNuclear Medicine Physician1346449147
  3. Francesco Cobellis, MDStudent in an Organized Health Care Education/Training Program1144034455
  4. Casey Duncan, MDSurgical Oncology Physician1962669978
  5. Aline El Zakhem, M.DStudent in an Organized Health Care Education/Training Program1427304500
  6. Jossue Espinoza Figueroa, MDStudent in an Organized Health Care Education/Training Program1679407845

Verify Oscar Andres Guillama in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license BP10073826    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

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Oscar Andres Guillama among 3,124 diagnostic radiology physician records in Texas

Oscar Andres Guillama, MD is one of 3,124 diagnostic radiology physician records with a practice address in Texas. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2019, is newer than 92% of them.

  • NPI issued2019 · 92% of these records are older, 6% newer
  • In a Medicare fileNo · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated2020 · median 2003 among the 2,277 with a school on file
  • Record last updated2026 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

823 diagnostic radiology physician records list a practice address in Houston

They are 823 of the 61,221 NPPES records with a practice address in Houston, and 3,124 diagnostic radiology physician records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 3,124 in Texas → Every provider in Houston → Diagnostic Radiology Physician nationwide →

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Carmen Bonmati, M.D.Houston, TX 770301629069513
  2. Hannah Chung, M.D.Houston, TX 770301780683508
  3. Monali Gupta, MDHouston, TX 770301033108089
  4. Monica Huang, M.D.Houston, TX 770301366433484
  5. Reena Jha, M.D.Houston, TX 770301548269988
  6. Anne Kushwaha, M.D.Houston, TX 770301134121742
  7. Thomas Lu, MDHouston, TX 770301669469730
  8. Sagar Naik, M.D.Houston, TX 770301972593127

Common questions

What is Oscar Andres Guillama, MD's NPI number?

Oscar Andres Guillama, MD's National Provider Identifier (NPI) is 1003378977, issued on Apr 1, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Oscar Andres Guillama, MD located?

The NPPES record lists a practice address at 1400 Pressler St, Houston, TX, 77030. Phone: (713) 792-6182. Providers update this record themselves, so call before visiting.

How can I verify Oscar Andres Guillama, MD's license?

NPPES lists Texas license number BP10073826, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.