Radiation Specialists of Oklahoma, PLLC

Primary specialty

Radiation Oncology PhysicianTaxonomy code 2085R0001X

Legal business name

RADIATION SPECIALISTS OF OKLAHOMA, PLLC

Practice address

11212 E 48TH St
Tulsa, OK 74146-5824

Phone

(918) 497-3718

Fax

(918) 497-3783

NPI assigned

Dec 10, 2025

Last updated

Dec 10, 2025By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Stephen Z Sack, MD, PHDNPI 1548319940

Title

Owner/Authorized Official

Phone

(918) 497-3718

Specialties & licenses 1

Addresses

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Stephen Zohar Sack, MD

  • Radiation Oncology Physician
  • Tulsa, OK
  • NPI 1548319940
  Authorized official Same address or phone

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

{
    "created_epoch": "1765324800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1765324800000",
    "number": "1740144369",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11212 E 48TH ST",
            "city": "TULSA",
            "state": "OK",
            "postal_code": "741465824",
            "telephone_number": "918-497-3718",
            "fax_number": "918-497-3783"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11212 E 48TH ST",
            "city": "TULSA",
            "state": "OK",
            "postal_code": "741465824",
            "telephone_number": "918-497-3718",
            "fax_number": "918-497-3783"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "RADIATION SPECIALISTS OF OKLAHOMA, PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-12-10",
        "last_updated": "2025-12-10",
        "certification_date": "2025-12-10",
        "status": "A",
        "authorized_official_last_name": "SACK",
        "authorized_official_first_name": "STEPHEN",
        "authorized_official_middle_name": "Z",
        "authorized_official_title_or_position": "OWNER/AUTHORIZED OFFICIAL",
        "authorized_official_telephone_number": "918-497-3718",
        "authorized_official_credential": "MD, PHD"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Radiology, Radiation Oncology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• April Radcliff
• Felicia Ann Radford Armstrong, BA
• Theressa Radford
• Radiation Oncology Consultants Inc
• Radiation Oncology Services Inc
• Radiation Therapy Specialists of Tulsa, PLLC
• Radiology Consultants of Tulsa Inc
• Carl Dustin Radloff, DC
• Alton W Rae, M.D.
• Presley Annmarie Rae

• Radiation Oncology Physician in Tulsa, OK
• Providers in Tulsa, OK by specialty
• Radiation Oncology Physician in Oklahoma

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 10, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.