Arne Robert Gratias

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

OP61672003 Issued in WA

Practice address

1120 S Utica Ave
Tulsa, OK 74104-4012

Phone

(918) 579-1000

NPI assigned

May 4, 2021

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in OK, TX, WA3 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

Specialty

Emergency Medicine

Education

Other, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Tacoma Emergency Care Physicians PLLCGroup PAC ID 5294971800, 83 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Tacoma General Allenmore Hospital Hospital, Tacoma, WA, CCN 500129
• Multicare Covington Medical Center Hospital, Covington, WA, CCN 500154

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: agratias466600@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.

• Tacoma Emergency Care Physicians, PLLC

  • Emergency Medicine Physician
  • Tacoma, WA
  • NPI 1770823791
  Medicare reassignment Care Compare group NPD
• Creek Nation Hospital & Clinics

  • Clinic/Center
  • Muskogee, OK
  • NPI 1366593923
  Medicare reassignment NPD
• Creek Nation Hospital & Clinics

  • Family Medicine Physician
  • Okemah, OK
  • NPI 1467053173

  TX

  Medicare reassignment NPD
• Green Country Emergency Physicians Group of Tulsa PLLC

  • Emergency Medicine Physician
  • Tulsa, OK
  • NPI 1972698553
  Medicare reassignment NPD
• Multicare Health System

  • Neurological Surgery Physician
  • Tacoma, WA
  • NPI 1497766638
  Medicare reassignment NPD
• Creek Nation Hospital & Clinics

  • General Acute Care Hospital
  • Okmulgee, OK
  • NPI 1033511480
  NPD
• Creek Nation Hospital & Clinics

  • Clinic/Center
  • Muskogee, OK
  • NPI 1922873611
  NPD
• Multicare Health System

  • Pediatrics Physician
  • Tacoma, WA
  • NPI 1093768194
  NPD
• Multicare Health System

  • Community/Retail Pharmacy
  • Spokane, WA
  • NPI 1396594875
  NPD
• Tacoma Emergency Care Physicians, PLLC

  • Emergency Medicine Physician
  • Tacoma, WA
  • NPI 1073854766
  NPD

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

• Multicare Health System

  • General Acute Care Hospital
  • Covington, WA
  • NPI 1326564071
  Care Compare affiliation
• Multicare Health System

  • General Acute Care Hospital
  • Tacoma, WA
  • NPI 1366556227
  Care Compare affiliation

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

{
    "created_epoch": "1620086400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763596800000",
    "number": "1144803305",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1544 E 34TH ST",
            "city": "TULSA",
            "state": "OK",
            "postal_code": "741052620"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1120 S UTICA AVE",
            "city": "TULSA",
            "state": "OK",
            "postal_code": "741044012",
            "telephone_number": "918-579-1000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRATIAS",
        "first_name": "ARNE",
        "middle_name": "ROBERT",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2021-05-04",
        "last_updated": "2025-11-20",
        "certification_date": "2025-11-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "WA",
            "license": "OP61672003",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Catherine Grantham, MS, RD/LD
• Davis Matthew Grantham
• Jeffrey Scott Grantham, MD
• Briane Michelle Grass
• Savannah Grass
• Kaden Gravatt
• Angie Graves
• Brittany Graves, LMSW-P
• Holly M Graves, MS, OTRL
• Jeff Rodney Graves

• Emergency Medicine Physician in Tulsa, OK
• Providers in Tulsa, OK by specialty
• Emergency Medicine Physician in Oklahoma

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 20, 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.