Individual provider Active NPI

Hassan Hussein Ammar, DO

  • Internal Medicine Physician
  • San Antonio, TX
National Provider Identifier
1154071884
Registry record updated Jul 31, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
V6855 Issued in TX
Practice address
7700 Floyd Curl Dr
San Antonio, TX 78229-3902
Phone
(210) 575-4000
NPI assigned
Mar 25, 2022
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 31, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X V6855 TX Primary

Addresses

Primary practice location

7700 Floyd Curl Dr
San Antonio, TX 78229-3902

Mailing address

6523 Moss Oak Dr
San Antonio, TX 78229-4221
Phone (210) 576-5000

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
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250828005235 TX Practitioner - Internal Medicine 1850892043 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2022
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Apotheosis Medical Group, PLLCGroup PAC ID 9638607419, 9 clinicians

Practice addresses (Care Compare)

San Antonio, TX 78209
Phone (210) 665-4199

Hospital & facility affiliations

  • Methodist Hospital Hospital, San Antonio, TX, CCN 450388
  • Methodist Hospital Stone Oak Hospital, San Antonio, TX, CCN 670055

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
V6855TXMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Apotheosis Medical Group, PLLC Internal Medicine CurrentSince Sep 1, 2025 Accepting new patients

Locations

423 Treeline Park
Ste 310
San Antonio, TX 78209
Phone (210) 665-4199

7700 Floyd Curl Dr
San Antonio, TX 78229
Phone (210) 575-5564

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.

Hospital & facility affiliations 4

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1648166400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785456000000",
    "number": "1154071884",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6523 MOSS OAK DR",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782294221",
            "telephone_number": "210-576-5000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7700 FLOYD CURL DR",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782293902",
            "telephone_number": "210-575-4000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "AMMAR",
        "first_name": "HASSAN",
        "middle_name": "HUSSEIN",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2022-03-25",
        "last_updated": "2026-07-31",
        "certification_date": "2026-07-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "V6855",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Antonio, TX

Sources for this page

Verify at the official NPI Registry.