Individual provider Active NPI

Robert Aaron Fischer, MBBS

  • Internal Medicine Physician
  • Tyler, TX
National Provider Identifier
1386169761
Registry record updated Jan 29, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
S4760 Issued in TX
Practice address
1000 S Beckham Ave
Tyler, TX 75701-1908
Phone
(903) 590-5612
Fax
(903) 535-6884
NPI assigned
Aug 7, 2017
Last updated
Jan 29, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 29, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 57.245120 OH
Internal Medicine Physician 207R00000X S4760 TX Primary

Addresses

Primary practice location

1000 S Beckham Ave
Tyler, TX 75701-1908

Mailing address

1000 S Beckham Ave
Tyler, TX 75701-1908
Phone (903) 590-5612

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
I20200506001341 TX Practitioner - Internal Medicine 4385075456 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Etmc Physician Group, Inc.Group PAC ID 4486915600, 375 clinicians
Hunt Memorial Hospital DistrictGroup PAC ID 6406768936, 36 clinicians

Practice addresses (Care Compare)

1000 S Beckham Ave
Tyler, TX 75701-1908
Phone (903) 590-5611

4215 Joe Ramsey Blvd E
Greenville, TX 75401-7852
Phone (903) 408-5000

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
57.245120OHMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Etmc Physician Group Inc. CurrentSince Jan 2, 2026 Accepting new patients
Hunt Memorial Hospital District Internal Medicine CurrentSince Jun 1, 2024 Accepting new patients
Etmc Physician Group Inc. CurrentSince Jan 2, 2026 Accepting new patients
Hunt Memorial Hospital District CurrentSince Jun 1, 2024 Accepting new patients
Tyler Regional Hospital LLC Past Accepting new patients
Texas Em-I Medical Services, PA Internal Medicine Past Accepting new patients

Locations

18118 FM 344 W
Flint, TX 75762
Phone (903) 825-3292

4215 Ramsey Blvd E
Greenville, TX 75401
Phone (903) 408-1470

1000 S Beckham Ave
Tyler, TX 75701
Phone (903) 526-1068

Organizations & group practices 6

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 2

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": "1502064000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769644800000",
    "number": "1386169761",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1000 S BECKHAM AVE",
            "city": "TYLER",
            "state": "TX",
            "postal_code": "757011908",
            "telephone_number": "903-590-5612",
            "fax_number": "903-535-6884"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1000 S BECKHAM AVE",
            "city": "TYLER",
            "state": "TX",
            "postal_code": "757011908",
            "telephone_number": "903-590-5612",
            "fax_number": "903-535-6884"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FISCHER",
        "first_name": "ROBERT",
        "middle_name": "AARON",
        "name_prefix": "Dr.",
        "credential": "MBBS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-08-07",
        "last_updated": "2026-01-29",
        "certification_date": "2026-01-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OH",
            "license": "57.245120",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "S4760",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Tyler, TX

Sources for this page

Verify at the official NPI Registry.