Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. GREGORY J OAKHILL M.D.
NPI 1356312466
Internal Medicine - Hematology & Oncology in Fayetteville, AR

Active since January 27, 2006PECOS EnrolledAccepts Medicare Assignment
87.7/100
CMS Quality Rating
3232 N NORTHHILLS BLVD, FAYETTEVILLE, AR 72703(479) 587-1700(479) 587-1366 Get Directions Write a Review

NPPES record last updated: July 6, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 6, 2026, Mar 30, 2020, Aug 29, 2019 and 1 more (4 updates tracked since 2019).

About Dr. Gregory J Oakhill M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GREGORY J OAKHILL M.D. (NPI 1356312466) is an individual hematology & oncology provider in Fayetteville, Arkansas, licensed in Arkansas (E2513) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Medical University Of South Carolina College Of Medicine (1994).

NPPES Registry Identity

NPI1356312466
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. GREGORY J OAKHILLCredential: M.D.
Location Address3232 N NORTHHILLS BLVDFayetteville, AR 72703-4005
Mailing Address3901 Parkway CirSpringdale, AR 72762-6362 · (479) 587-1700 · Fax (479) 587-1366
Fax(479) 587-1366
Sole ProprietorNo
Medical School CMSMedical University Of South Carolina College Of MedicineGraduated 1994
Enumeration DateJanuary 27, 2006
Last NPPES UpdateJuly 6, 20264 updates tracked since enumeration
NPPES CertifiedJuly 6, 2026
NPI 1356312466 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Licenses Licensed in AR · E2513 Licensed in SC · 18089
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
3232 N NORTHHILLS BLVD, Fayetteville, AR 72703

Secondary Practice Locations 3

Location 13901 Parkway CirSpringdale, AR 72762-6362 · Phone (479) 587-1700 · Fax (479) 587-1366
Location 2808 S 52nd StRogers, AR 72758-8602 · Phone (479) 587-1700 · Fax (479) 587-1366
Location 3639 Hospital DrMountain Home, AR 72653-2914 · Phone (479) 587-1700 · Fax (479) 587-1366

Other Identifiers 3

Medicaid204973002MO
Medicaid100004450AOK
Medicaid139985001AR

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Gregory J Oakhill M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9436177128
PECOS Enrollment IDI20051110000993
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 122

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967
Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.
60,016 services419 patients
Injection, gadoterate meglumine, 0.1 ml A9575
Gadoterate meglumine is a contrast agent used in MRI scans to help visualize certain areas of your body more clearly. It's injected into your bloodstream, typically through a vein in your arm, and helps doctors get more detailed images.
34,011 services125 patients
Injection, pembrolizumab, 1 mg J9271
Pembrolizumab is a medication given via injection to help your body's immune system fight certain types of cancer. It's typically administered in a hospital or clinic by a healthcare professional.
27,400 services46 patients
Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) Q0138
Ferumoxytol injection is a treatment for iron deficiency anemia, a condition where your body lacks enough iron. It is injected into your vein to increase iron levels, aiding in the production of healthy red blood cells. This treatment is not for ESRD patients.
22,440 services40 patients
Injection, nivolumab, 1 mg J9299
Nivolumab is a medication given via injection, often used in cancer treatment. It works by helping your immune system fight the cancer cells. The dosage is measured in milligrams (mg), with 1 mg being a common dose.
16,660 services27 patients
Injection, testosterone cypionate, 1 mg J1071
Testosterone cypionate is a medication given via injection to help balance hormone levels in your body. It's typically used when your body doesn't produce enough of this hormone naturally. The 1 mg dose refers to the amount of medication in each injection.
11,620 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 72703 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$157.74 typical visit price
range $51.36 – $157.74
Typical copayment $39.43 (range $12.84 – $39.43)
Most-billed visit code 99205
Established Patient
$91.63 typical visit price
range $16.16 – $128.77
Typical copayment $22.90 (range $4.04 – $32.19)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

87.7/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality91.71
Promoting Interoperability93
Improvement Activities40
Cost66.1

Reported Quality Measures

Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
96%421 patients4/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
64%1,592 patients3/55-star benchmark: 100%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
58%1,589 patients3/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
21%1,589 patients2/55-star benchmark: 79%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 10

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Ostomy skin barrier, solid 4 x 4 or equivalent, extended wear, without built-in convexity, each A4385
DME-Orthotic Devices · category DF010N
2 suppliers18 claims610 services$4.90 avg. paid by Medicare
Ostomy pouch, drainable, with barrier attached, with built-in convexity (1 piece), each A4389
DME-Orthotic Devices · category DF010N
2 suppliers15 claims360 services$6.00 avg. paid by Medicare
Tape, waterproof, per 18 square inches A4452
DME-Medical/Surgical Supplies · category DA000N
1 supplier13 claims300 services$0.34 avg. paid by Medicare
Adhesive remover, wipes, any type, each A4456
DME-Medical/Surgical Supplies · category DA000N
1 supplier13 claims720 services$0.23 avg. paid by Medicare
Enteral formula, nutritionally complete, calorically dense (equal to or greater than 1.5 kcal/ml) with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4152
Other-Enteral and Parenteral · category OB006N
1 supplier15 claims10,235 services$0.32 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
7 suppliers67 claims69 services$17.68 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 15

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Pharmacist (Oncology)
3232 N NORTHHILLS BLVD
FAYETTEVILLE, AR 72703
Internal Medicine (Hematology & Oncology)
3232 N NORTHHILLS BLVD
FAYETTEVILLE, AR 72703
Internal Medicine (Hematology & Oncology)
3232 N NORTHHILLS BLVD
FAYETTEVILLE, AR 72703
Nurse Practitioner
3232 N NORTHHILLS BLVD
FAYETTEVILLE, AR 72703
Internal Medicine (Hematology & Oncology)
3232 N NORTHHILLS BLVD
FAYETTEVILLE, AR 72703
Massage Therapist
3232 N NORTHHILLS BLVD
FAYETTEVILLE, AR 72703
Internal Medicine (Hospice and Palliative Medicine)
3232 N NORTHHILLS BLVD
FAYETTEVILLE, AR 72703
Nurse Practitioner (Family)
3232 N NORTHHILLS BLVD
FAYETTEVILLE, AR 72703

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gregory Oakhill's NPI number?

The NPI number for Gregory Oakhill is 1356312466. It was assigned to this individual provider in the NPPES registry on January 27, 2006.

Where is Gregory Oakhill located?

Gregory Oakhill practices at 3232 N Northhills Blvd, Fayetteville, AR 72703. The listed phone number is (479) 587-1700.

What is Gregory Oakhill's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Gregory Oakhill enrolled in Medicare?

Yes. Gregory Oakhill is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Gregory Oakhill accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Louisiana Healthcare Connections, Ambetter from Magnolia Health and Ambetter from Superior HealthPlan and 5 other insurers list Gregory Oakhill as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Gregory Oakhill was last updated on July 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.