Active NPI
Oscar Andres Guillama, MD
- Diagnostic Radiology Physician
- Houston, TX
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Diagnostic Radiology Physician
- License
- BP10073826
- Practice address
- 1400 Pressler St
Houston, TX 77030-3722 - Phone
- (713) 792-6182
- NPI assigned
- Apr 1, 2019
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Diagnostic Radiology Physician | 2085R0202X | BP10073826 | TX | Primary |
| Student in an Organized Health Care Education/Training Program | 390200000X | |||
| General Practice Physician | 208D00000X | 34923R | PR |
Addresses
Primary practice location
1400 Pressler St
Houston, TX 77030-3722
Mailing address
HC 3 Box 11102
Camuy, PR 00627-9650
Phone (787) 800-7661
Other practice location 1
San Juan City Hospital
Bo. Monacillos, Centro Medico de PR
Rio Piedras, PR 00917
Phone (787) 480-2791
Other practice location 2
Autopista Luis A Ferre Salida 21 Carr 12
Urb Turabo Gardens
Caguas, PR 00726
Phone (787) 743-3038 ext. 276
Other practice location 3
1 Baylor Plz
Houston, TX 77030-3498
Phone (713) 798-4951
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in TX
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Diagnostic Radiology
- Education
- San Juan Bautista School of Medicine, 2020
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
12554 Riata Vista Cir
FL 1
Austin, TX 78727-7165
5650 Paul Blazer Pkwy
Suite 104
Dublin, OH 43017-3562
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| BP10073826 | TX | MD | Diagnostic Radiology Physician |
| 34923R | PR | MD | General Practice Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Shelin Agrawal and Hyer PLLC | Single Specialty | Current | Accepting new patients |
Organizations & group practices 1
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Diagnostic Radiology Physician
- Las Vegas, NV
- NPI 1861783961
Single Specialty, TX
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1554076800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1777334400000",
"number": "1003378977",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "HC 3 BOX 11102",
"city": "CAMUY",
"state": "PR",
"postal_code": "006279650",
"telephone_number": "787-800-7661"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1400 PRESSLER ST",
"city": "HOUSTON",
"state": "TX",
"postal_code": "770303722",
"telephone_number": "713-792-6182"
}
],
"practiceLocations": [
{
"address_1": "San Juan City Hospital",
"address_2": "Bo. Monacillos, Centro Medico de PR",
"address_purpose": "LOCATION",
"city": "Rio Piedras",
"state": "PR",
"postal_code": "00917",
"country_code": "US",
"telephone_number": "787-480-2791",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "Autopista Luis A Ferre Salida 21 Carr 12",
"address_2": "Urb Turabo Gardens",
"address_purpose": "LOCATION",
"city": "Caguas",
"state": "PR",
"postal_code": "00726",
"country_code": "US",
"telephone_number": "787-743-3038 x276",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1 Baylor Plz",
"address_purpose": "LOCATION",
"city": "Houston",
"state": "TX",
"postal_code": "770303498",
"country_code": "US",
"telephone_number": "713-798-4951",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "GUILLAMA",
"first_name": "OSCAR",
"middle_name": "ANDRES",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2019-04-01",
"last_updated": "2026-04-28",
"certification_date": "2026-04-28",
"status": "A"
},
"taxonomies": [
{
"code": "2085R0202X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "Radiology, Diagnostic Radiology",
"state": "TX",
"license": "BP10073826",
"primary": true
},
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": null,
"license": null,
"primary": false
},
{
"code": "208D00000X",
"taxonomy_group": "",
"desc": "General Practice",
"state": "PR",
"license": "34923R",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Houston, TX
- Preston Guilbeau
- Jacquelyn Michelle Guilbeaux, COTA
- Nancy Guild Guild, LCSW
- Kristen Lauren Guilford, MD
- Edmund Clyde Guilfoyle, PH.D.
- Guillaume Marriage and Family Counseling of Texas, P.C.
- Jeannette Guillen Botello
- Claudia Estefania Guillen Lopez, MD
- Bella Esmeralda Guillen
- Egle Tibisay Guillen, OTR
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 28, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.