DR. GREGORY J OAKHILL (M.D.) – Hematology & Oncology Physician, NPI 1356312466
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
116 HEMATOLOGY/ONCOLOGY in AR
Provider Addresses for DR. GREGORY J OAKHILL (M.D.)
808 S 52nd St
Rogers, AR 727588602
Phone: (479) 587-1700
Fax: (479) 587-1366
Type: Location
Highlands Oncology Group, 3232, North Northhills Boulevard, North Hills Medical Park, Fayetteville, Washington County, Arkansas, 72703, United States
FAYETTEVILLE, AR 727034005
Phone: (479) 587-1700
Fax: (479) 587-1366
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 135 Open Payments records for all available years, with a total value of $2,610.
Total Amount is formed as General ($2,610) + Research ($0) + Ownership ($0) = $2,610.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($339).
Total Amount
$2,610
General + Research + Ownership
Payments
135
Total payment records
General Amount
$2,610
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2005-11-10
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20051110000993 | I | Hematology/Oncology | AR | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| Q9967 | Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 59,145 | 289 | $0 |
| Q0138 | Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) | 44,370 | 69 | $0 |
| A9575 | Injection, gadoterate meglumine, 0.1 ml | 38,513 | 119 | $0 |
| J9271 | Injection, pembrolizumab, 1 mg | 21,000 | 51 | $0 |
| J9299 | Injection, nivolumab, 1 mg | 15,840 | 24 | $0 |
Insurance plans in this area (ZIP 72758)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| HEMATOLOGY/ONCOLOGY | AR | 71250 | CT scan chest | 45 | 30 |
| HEMATOLOGY/ONCOLOGY | AR | 78815 | Nuclear medicine study with CT imaging skull base to mid-thigh | 291 | 180 |
| HEMATOLOGY/ONCOLOGY | AR | 85610 | Blood test, clotting time | 360 | 37 |
| HEMATOLOGY/ONCOLOGY | AR | 96367 | Infusion into a vein for therapy prevention or diagnosis additional sequential infusion up to 1 hour | 599 | 98 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | AR | |
| - | AR | |
| Nurse Practitioner | AR | |
| Medical Oncology, Hematology | AR | |
| Nurse Practitioner | AR | |
| Hospice/Palliative Care | AR | |
| Nurse Practitioner | AR | |
| Radiation Oncology | AR | |
| H E M A T O L O G Y/ O N C O L O G Y | AR | |
| Physician Assistant | AR |
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