Panayiotis Tjionas, MD

Primary specialty

Neurocritical Care PhysicianTaxonomy code 2084A2900X

License

46326 Issued in OK

Practice address

6161 S Yale Ave
Tulsa, OK 74136-1902

Phone

(918) 494-1418

Fax

(918) 494-1491

NPI assigned

Apr 1, 2019

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in OK

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

Specialty

Neurology

Education

Other, 2010

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Warren Clinic IncGroup PAC ID 8820900293, 787 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Saint Francis Hospital, Inc Hospital, Tulsa, OK, CCN 370091
• Saint Francis Hospital Muskogee Hospital, Muskogee, OK, CCN 370025

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: ptjionas375177@direct.saintfrancis.com

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.

• Warren Clinic Inc

  • General Practice Physician
  • Tulsa, OK
  • NPI 1174582282
  Medicare reassignment Care Compare group NPD
• Saint Francis Hospital, Inc.

  • General Acute Care Hospital
  • Tulsa, OK
  • NPI 1144228487
  NPD (past)

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

• Saint Francis Hospital Muskogee Inc

  dba Saint Francis Hospital Muskogee

  • General Acute Care Hospital
  • Muskogee, OK
  • NPI 1386188837
  Care Compare affiliation
• Saint Francis Hospital, Inc.

  • Rehabilitation Hospital Unit
  • Tulsa, OK
  • NPI 1003039488
  Care Compare affiliation
• Saint Francis Hospital, Inc.

  • General Acute Care Hospital
  • Tulsa, OK
  • NPI 1144228487
  Care Compare affiliation

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

{
    "created_epoch": "1554076800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760313600000",
    "number": "1609338417",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6431 FANNIN STREET",
            "address_2": "MSB 7.154 DEPARTMENT NEUROSURGERY/NEUROCRITICAL CARE",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770300001",
            "telephone_number": "201-982-1152"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6161 S YALE AVE",
            "city": "TULSA",
            "state": "OK",
            "postal_code": "741361902",
            "telephone_number": "918-494-1418",
            "fax_number": "918-494-1491"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2401 S 31st St # MS 01161B",
            "address_purpose": "LOCATION",
            "city": "Temple",
            "state": "TX",
            "postal_code": "765080001",
            "country_code": "US",
            "telephone_number": "254-724-2364",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "6431 Fannin Street",
            "address_2": "MSB 7.154 Department Neurosurgery/Neurocritical Care",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770300001",
            "country_code": "US",
            "telephone_number": "201-982-1152",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TJIONAS",
        "first_name": "PANAYIOTIS",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-04-01",
        "last_updated": "2025-10-13",
        "certification_date": "2025-10-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084A2900X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurocritical Care",
            "state": "OK",
            "license": "46326",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "TX",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Regina Kay Tisdale
• Weldon Tisdale Jr.
• Jennifer Lynn Titus, RN
• Michael Phillip Titus, CASE MANAGER DUAL
• Verena Lynn Titus, L.P.C.
• TLC Behavioral Health, LLC
• TLC the Laser Center (Northeast) Inc. (TLC Laser Eye Centers Tulsa)
• TLC Vision Center PC
• TN Billco LLC
• Tni-Kso PC (Nephrology Specialists of Oklahoma)

• Neurocritical Care Physician in Tulsa, OK
• Providers in Tulsa, OK by specialty
• Neurocritical Care Physician in Oklahoma

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 13, 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.

Verify at the official NPI Registry.