Individual provider Active NPI

Fatih Ayvali, MD

  • Hematology & Oncology Physician
  • Dallas, TX
National Provider Identifier
1316511157
Registry record updated Sep 3, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
License
V6260 Issued in TX
Practice address
6201 Harry Hines Blvd
Dallas, TX 75235-5202
Phone
(214) 633-5555
NPI assigned
May 17, 2021
Last updated
Sep 3, 2025By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 3, 2025

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 NM2024-0922 NM
Hematology & Oncology Physician 207RH0003X V6260 TX Primary

Addresses

Primary practice location

6201 Harry Hines Blvd
Dallas, TX 75235-5202

Mailing address

PO Box 845347
Dallas, TX 75284-7208

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OK, NM, TX3 enrollments
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 3

Enrollment IDStateProvider typePAC IDDetails
I20241227000391 OK Practitioner - Internal Medicine 0446787717 Reassigns benefits to 2 organizations
I20250304000775 NM Practitioner - Internal Medicine 0446787717 Reassigns benefits to 1 organization
I20250925004258 TX Practitioner - Hematology/Oncology 0446787717 Reassigns benefits to 1 organization

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
Usacs Observation Medicine Services of Oklahoma, LLCGroup PAC ID 9931562956, 203 clinicians

Practice addresses (Care Compare)

1923 S Utica Ave
Tulsa, OK 74104-6520
Phone (918) 744-3131

300 Rockefeller Dr
Muskogee, OK 74401-5075
Phone (918) 684-2101

6201 Harry Hines Blvd
Dallas, TX 75235-5202
Phone (214) 633-5555

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
NM2024-0922NMMDInternal Medicine Physician
V6260TXMDHematology & Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Usacs Observation Medicine Services of Oklahoma, LLC Single Specialty CurrentSince Nov 1, 2024 Accepting new patients
The University of Texas Southwestern Medical Center at Dallas CurrentSince Jul 13, 2025 Accepting new patients
Signify Health, LLC Single Specialty CurrentSince Jan 1, 2025 Accepting new patients
University of Texas Southwestern Medical Center at Dallas Single Specialty CurrentSince Jul 13, 2025 Accepting new patients
St John Medical Center Inc Past Accepting new patients

Locations

500 Marquette Ave NW
Ste 1200
Albuquerque, NM 87102
Phone (505) 295-6685

300 Rockefeller Dr
Muskogee, OK 74401
Phone (918) 682-5501

10601 S Western Ave
Ste 100
Oklahoma City, OK 73170

6161 S Yale Ave
Tulsa, OK 74136
Phone (918) 494-2200

2201 Inwood Rd
Dallas, TX 75235
Phone (214) 645-2563

4055 Valley View Ln
Ste 400
Dallas, TX 75244
Phone (469) 466-7037

4055 Valley View Ln
Ste 700
Dallas, TX 75244
Phone (469) 466-7420

6201 Harry Hines Blvd
Dallas, TX 75235
Phone (214) 633-4700

5323 Harry Hines Blvd
Ut Southwest Medical Center, TX 75390

Organizations & group practices 5

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 3

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": "1621209600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756857600000",
    "number": "1316511157",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 845347",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752847208"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6201 HARRY HINES BLVD",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752355202",
            "telephone_number": "214-633-5555"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "AYVALI",
        "first_name": "FATIH",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2021-05-17",
        "last_updated": "2025-09-03",
        "certification_date": "2025-09-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NM",
            "license": "NM2024-0922",
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "TX",
            "license": "V6260",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Dallas, TX

Sources for this page

Verify at the official NPI Registry.