Gregory J Oakhill, M.D.

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

E2513 Issued in AR

Practice address

3232 N Northhills Blvd
Fayetteville, AR 72703-4005

Phone

(479) 587-1700

Fax

(479) 587-1366

NPI assigned

Jan 27, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 3

Medicare fee-for-service enrollment

Enrolled in AR

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

Medical University of South Carolina College of Medicine, 1994

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Highlands Oncology Group PAGroup PAC ID 7416976196, 78 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Elite Home Health Home health agency, Springdale, AR, CCN 047346
• Washington Regional Medical Center Hospital, Fayetteville, AR, CCN 040004
• Mercy Hospital Northwest Arkansas Hospital, Rogers, AR, CCN 040010
• Baxter Health Hospital, Mountain Home, AR, CCN 040027
• Northwest Medical Center-Springdale Hospital, Springdale, AR, CCN 040022

Merit-based Incentive Payment System (MIPS)

Final score

91.14 of 100Reported as group

Quality

86.39

Promoting interoperability

100

Improvement activities

40

Cost

75.48

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: goakhill50488@washingtonregional.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.

• Highlands Oncology Group PA

  • Hematology & Oncology Physician
  • Springdale, AR
  • NPI 1346211323
  Medicare reassignment Care Compare group NPD
• Highlands Oncology Group, PA

  • Community/Retail Pharmacy
  • MTN Home, AR
  • NPI 1487373197
  NPD
• Ozarks Medical Center

  • General Acute Care Hospital
  • West Plains, MO
  • NPI 1831115641
  NPD (past)

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

• Baxter County Regional Hospital Inc

  • General Acute Care Hospital
  • Mountain Home, AR
  • NPI 1033147921
  Care Compare affiliation
• Baxter County Regional Hospital, Inc

  • General Acute Care Hospital
  • Mountain Home, AR
  • NPI 1881788933
  Care Compare affiliation
• LHCG Xlii, LLC

  • Home Health Agency
  • Springdale, AR
  • NPI 1043557788
  Care Compare affiliation
• Mercy Hospital Rogers

  • General Acute Care Hospital
  • Rogers, AR
  • NPI 1316902414
  Care Compare affiliation
• Northwest Arkansas Hospitals, LLC

  • General Acute Care Hospital
  • Springdale, AR
  • NPI 1699726695
  Care Compare affiliation
• Washington Regional Medical Center

  • General Acute Care Hospital
  • Fayetteville, AR
  • NPI 1083609150
  Care Compare affiliation

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

{
    "created_epoch": "1138320000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783296000000",
    "number": "1356312466",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3901 PARKWAY CIR",
            "city": "SPRINGDALE",
            "state": "AR",
            "postal_code": "727626362",
            "telephone_number": "479-587-1700",
            "fax_number": "479-587-1366"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3232 N NORTHHILLS BLVD",
            "city": "FAYETTEVILLE",
            "state": "AR",
            "postal_code": "727034005",
            "telephone_number": "479-587-1700",
            "fax_number": "479-587-1366"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3901 Parkway Cir",
            "address_purpose": "LOCATION",
            "city": "Springdale",
            "state": "AR",
            "postal_code": "727626362",
            "country_code": "US",
            "telephone_number": "479-587-1700",
            "fax_number": "479-587-1366",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "808 S 52nd St",
            "address_purpose": "LOCATION",
            "city": "Rogers",
            "state": "AR",
            "postal_code": "727588602",
            "country_code": "US",
            "telephone_number": "479-587-1700",
            "fax_number": "479-587-1366",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "639 Hospital Dr",
            "address_purpose": "LOCATION",
            "city": "Mountain Home",
            "state": "AR",
            "postal_code": "726532914",
            "country_code": "US",
            "telephone_number": "479-587-1700",
            "fax_number": "479-587-1366",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "OAKHILL",
        "first_name": "GREGORY",
        "middle_name": "J",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-01-27",
        "last_updated": "2026-07-06",
        "certification_date": "2026-07-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "SC",
            "license": "18089",
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "AR",
            "license": "E2513",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "204973002",
            "state": "MO"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100004450A",
            "state": "OK"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "139985001",
            "state": "AR"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Michalah O'Connell
• Amber O'Dell
• Abigail O'Malley
• Abbigail O'Neill, SLP
• Senushi J O'Sullivan, M.D.
• Randall Benjamin Oates, M.D.
• Ocean Dental of Arkansas, P.C.
• Melissa Ocheltree
• Rebecca Marie Oconnell, APN
• Heather Odell, SPT, MS

• Hematology & Oncology Physician in Fayetteville, AR
• Providers in Fayetteville, AR by specialty
• Hematology & Oncology Physician in Arkansas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 6, 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.