Active NPI
Martin Alejandro Chacon Portillo, MD
- Hospitalist Physician
- Houston, TX
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hospitalist Physician
- License
- U5366
- Practice address
- 6411 Fannin St
Houston, TX 77030-1501 - Phone
- (940) 594-7563
- NPI assigned
- May 2, 2018
- 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 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 63503 | AZ | |
| Internal Medicine Physician | 207R00000X | U5366 | TX | |
| Student in an Organized Health Care Education/Training Program | 390200000X | TX | ||
| Hospitalist Physician | 208M00000X | U5366 | TX | Primary |
Addresses
Primary practice location
6411 Fannin St
Houston, TX 77030-1501
Mailing address
6410 Fannin St Ste 600
Houston, TX 77030-5206
Phone (940) 594-7563
Other practice location 1
6410 Fannin St Ste 600
Houston, TX 77030-5206
Phone (940) 594-7563
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| R76710 | Other | AZ | MD/RESIDENT/TEMP LICENSE |
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: No
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Hospitalist
- Education
- Other, 2016
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
6411 Fannin St
Houston, TX 77030-1501
Phone (713) 704-4000
Hospital & facility affiliations
- Memorial Hermann - Texas Medical Center
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 63503 | AZ | MD | Internal Medicine Physician |
| U5366 | TX | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Ut Physicians | Multi-Specialty | Current | Accepting new patients |
| Ut Physicians | Multi-Specialty | Current | Accepting new patients |
| Ut Physicians | Multi-Specialty | Current | Accepting new patients |
Locations
1333 Moursund St
Houston, TX 77030
Phone (713) 797-5912
6621 Fannin St
Ste 19345H
Houston, TX 77030
Phone (832) 826-1929
6410 Fannin St
Ste 500
Houston, TX 77030
Phone (713) 500-5714
6410 Fannin St
#135
Houston, TX 77030
6411 Fannin St
Houston, TX 77030
Phone (713) 500-6200
11920 Astoria Blvd
Ste 292
Houston, TX 77089
Phone (713) 486-7970
6410 Fannin St
Ste 600
Houston, TX 77030
Phone (832) 325-7100
Organizations & group practices 3
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.
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Portable X-ray and/or Other Portable Diagnostic Imaging Supplier
- Houston, TX
- NPI 1437189115
Hospital
-
- General Acute Care Hospital
- Houston, TX
- NPI 1982666111
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1525219200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1736121600000",
"number": "1649769993",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "6410 FANNIN ST STE 600",
"city": "HOUSTON",
"state": "TX",
"postal_code": "770305206",
"telephone_number": "940-594-7563",
"fax_number": "713-512-2242"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "6411 FANNIN ST",
"city": "HOUSTON",
"state": "TX",
"postal_code": "770301501",
"telephone_number": "940-594-7563"
}
],
"practiceLocations": [
{
"address_1": "6410 Fannin St Ste 600",
"address_purpose": "LOCATION",
"city": "Houston",
"state": "TX",
"postal_code": "770305206",
"country_code": "US",
"telephone_number": "940-594-7563",
"fax_number": "713-512-2242",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "CHACON PORTILLO",
"first_name": "MARTIN",
"middle_name": "ALEJANDRO",
"credential": "MD",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2018-05-02",
"last_updated": "2025-01-06",
"certification_date": "2025-01-06",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Internal Medicine",
"state": "AZ",
"license": "63503",
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Internal Medicine",
"state": "TX",
"license": "U5366",
"primary": false
},
{
"code": "390200000X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": "TX",
"license": null,
"primary": false
},
{
"code": "208M00000X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Hospitalist",
"state": "TX",
"license": "U5366",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "MD/RESIDENT/TEMP LICENSE",
"identifier": "R76710",
"state": "AZ"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Houston, TX
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 6, 2025; 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.