Chelsea Nicole Thomas, DO

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

6342 Issued in OK

Practice address

1245 S Utica Ave
Tulsa, OK 74104-4214

Phone

(918) 579-3850

Fax

(918) 579-3859

NPI assigned

Apr 11, 2012

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other names 1

• Chelsea Nicole Williams Former name

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

Hematology/Oncology

Education

Oklahoma State University College of Osteopathic Medicine, 2012

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Saint Francis Hospital, Inc.Group PAC ID 9537061171, 58 clinicians

Warren Clinic IncGroup PAC ID 8820900293, 787 clinicians

Ou Health Partners IncGroup PAC ID 5991105876, 1,167 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Saint Francis Hospital, Inc Hospital, Tulsa, OK, CCN 370091
• Hillcrest Medical Center Hospital, Tulsa, OK, CCN 370001
• O U Medical Center Hospital, Oklahoma City, OK, CCN 370093
• Saint Francis Hospital South, LLC Hospital, Tulsa, OK, CCN 370218
• Hillcrest Hospital Henryetta Hospital, Henryetta, OK, CCN 370183

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: cthomas114889@direct.saintfrancis.com
• Direct secure messaging: cthomas1372620@ahs.direct-ci.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.

• Ou Health Partners, Inc

  • Multi-Specialty Clinic/Center
  • Oklahoma City, OK
  • NPI 1528642642
  Medicare reassignment Care Compare group NPD
• 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
  Medicare reassignment Care Compare group
• Ou Health Partners, Inc

  • Prosthetic/Orthotic Supplier
  • Oklahoma City, OK
  • NPI 1447834460
  NPD

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

• Ahs Henryetta Hospital LLC

  • General Acute Care Hospital
  • Henryetta, OK
  • NPI 1720053556
  Care Compare affiliation
• Ahs Hillcrest Medical Center, LLC

  • General Acute Care Hospital
  • Tulsa, OK
  • NPI 1629057229
  Care Compare affiliation
• Ou Medicine Inc.

  • General Acute Care Hospital
  • Oklahoma City, OK
  • NPI 1649794157
  Care Compare affiliation
• Saint Francis Hospital South LLC

  • General Acute Care Hospital
  • Tulsa, OK
  • NPI 1376561944
  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": "1334102400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771891200000",
    "number": "1336406685",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1245 S UTICA AVE",
            "city": "TULSA",
            "state": "OK",
            "postal_code": "741044214",
            "telephone_number": "918-579-3850",
            "fax_number": "918-579-3859"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1245 S UTICA AVE",
            "city": "TULSA",
            "state": "OK",
            "postal_code": "741044214",
            "telephone_number": "918-579-3850",
            "fax_number": "918-579-3859"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "11212 E 48th St",
            "address_purpose": "LOCATION",
            "city": "Tulsa",
            "state": "OK",
            "postal_code": "74146",
            "country_code": "US",
            "telephone_number": "918-556-3000",
            "fax_number": "918-556-7064",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "THOMAS",
        "first_name": "CHELSEA",
        "middle_name": "NICOLE",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2012-04-11",
        "last_updated": "2026-02-24",
        "certification_date": "2026-02-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "OK",
            "license": "6342",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "CHELSEA",
            "last_name": "WILLIAMS",
            "middle_name": "NICOLE",
            "credential": "DO",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Ann Thomas, M.D
• Barbara Ann Thomas, M.A. CCC-SLP
• Brett Thomas
• Briana Renee Thomas
• Brihonna Thomas
• Christopher Thomas
• Cynthia Ann Thomas, APRN- CNP
• Dana Thomas
• Danielle Thomas, MSOT, OTR/L
• Darren Thomas, M.D.

• Hematology & Oncology Physician in Tulsa, OK
• Providers in Tulsa, OK by specialty
• Hematology & Oncology Physician in Oklahoma

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 24, 2026; 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.