Ian Delain Gray, M.D.

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

31615 Issued in OK

Practice address

11200 N Portland Ave
Oklahoma City, OK 73120-5045

Phone

(405) 936-1346

NPI assigned

May 14, 2015

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, VA2 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 2

Specialty

Anesthesiology

Education

Other, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Anesthesia Scheduling Services, P.C.Group PAC ID 9830084375, 55 clinicians

Orthomed Staffing LLCGroup PAC ID 9638429178, 373 clinicians

Acv IncGroup PAC ID 3870633936, 70 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Carilion Medical Center Hospital, Roanoke, VA, CCN 490024
• Lakeside Women'S Hospital, a Member of Integris He Hospital, Oklahoma City, OK, CCN 370199
• SSM Health St Anthony Hospital - Oklahoma City Hospital, Oklahoma City, OK, CCN 370037

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Anesthesia Scheduling Services PC

  • Anesthesiology Physician
  • Oklahoma City, OK
  • NPI 1285601187
  Medicare reassignment Care Compare group NPD
• Acv Inc

  • Anesthesiology Physician
  • Roanoke, VA
  • NPI 1881927259
  Medicare reassignment Care Compare group NPD
• Orthomed Staffing LLC

  • Anesthesiology Physician
  • Addison, TX
  • NPI 1225514276

  OK

  Medicare reassignment Care Compare group NPD
• Oklahoma City Anesthesia, LLC

  • Anesthesiology Physician
  • Oklahoma City, OK
  • NPI 1629038450
  Medicare reassignment NPD

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

• Lakeside Women'S Hospital, LLC

  • General Acute Care Hospital
  • Oklahoma City, OK
  • NPI 1639170699
  Care Compare affiliation
• SSM Health Care of Oklahoma Inc

  • Community/Retail Pharmacy
  • Oklahoma City, OK
  • NPI 1649602293

  Hospital

  Care Compare affiliation
• SSM Health Care of Oklahoma, Inc.

  • General Acute Care Hospital
  • Oklahoma City, OK
  • NPI 1366545311
  Care Compare affiliation
• Carilion Medical Center

  • General Acute Care Hospital
  • Roanoke, VA
  • NPI 1033102942
  Care Compare affiliation

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

{
    "created_epoch": "1431561600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769040000000",
    "number": "1710365390",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5115 BERNARD DR STE 201",
            "city": "ROANOKE",
            "state": "VA",
            "postal_code": "240184367"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11200 N PORTLAND AVE",
            "city": "OKLAHOMA CITY",
            "state": "OK",
            "postal_code": "731205045",
            "telephone_number": "405-936-1346"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1906 Belleview Ave SE",
            "address_purpose": "LOCATION",
            "city": "Roanoke",
            "state": "VA",
            "postal_code": "240141838",
            "country_code": "US",
            "telephone_number": "540-981-7000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GRAY",
        "first_name": "IAN",
        "middle_name": "DELAIN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-05-14",
        "last_updated": "2026-01-22",
        "certification_date": "2026-01-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "VA",
            "license": "0101288089",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "OK",
            "license": "31615",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Angela Gray
• Bridget Eileen Gray, CM-D, LCSW
• Brittany Gray
• David Thomas Gray, D.M.D.
• Greg Gray
• Jenna Gray
• Karleeann Gray
• Kathleen Lucy Gray, RN
• Keith B Gray II
• Keyeonna Shanta Gray

• Anesthesiology Physician in Oklahoma City, OK
• Providers in Oklahoma City, OK by specialty
• Anesthesiology Physician in Oklahoma

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 22, 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.