Physician

Gregory J Oakhill, M.D.

According to 2025 Medicare claims, Gregory Oakhill, M.D. (NPI: 1356312466) practices hematology/oncology in the Fayetteville-Springdale-Rogers, AR market, with the plurality of this provider's patient population coming from Benton, AR. This provider's primary affiliated billing organization is HIGHLANDS ONCOLOGY GROUP PA (NPI: 1346211323; TIN: 710788742) and primary practice location at 72758-8602. Oakhill is affiliated with the Mercy Health ACO, LLC (ACO ID: A2616), participating under the MSSP model.

Oakhill's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 1,509 traditional Medicare patients, billed 370,124 HCPCS/CPT codes, and received $5,486,912 in Medicare payments. The top billing code was 80053 (Blood test, comprehensive group of blood chemicals). Part D data shows 2,669 prescription claims across 478 beneficiaries totaling $3,041,246 in drug costs, led by Revlimid (Lenalidomide). DME data shows 172 claims. Open Payments data shows 85 records totaling $1,597. You can download detailed data with all billing codes (2015-2024). For more recent data, please contact us.

Over the past 10 years, this provider's Medicare Part B carrier billing has moved up and down with repeated peaks and valleys, starting at $3,739,733 and ending at $5,486,912. Concurrently, Part D prescription costs have risen steadily, from $1,531,191 to $3,041,246. In contrast, DME billing represents a smaller volume and started with an early spike, then settled into a lower baseline, moving from $33,283 to $7,684.

Part B Carrier Billing Trend

Medicare payment trend, with N of patients and claim lines in the table.

Year	Patients	Clm Lines	Payment
2015	1,147	398,483	$3,739,733
2016	854	366,635	$3,313,134
2017	1,274	489,856	$4,731,065
2018	1,475	504,329	$5,646,647
2019	1,554	400,517	$4,906,472
2020	1,409	411,724	$5,858,703
2021	1,420	408,166	$5,117,582
2022	1,384	402,641	$5,513,471
2023	1,295	333,493	$4,366,785
2024	1,509	370,124	$5,486,912

Part D Events Trend

Drug cost trend, with N of patients and prescription claims in the table.

Year	Patients	Claims	Drug Cost
2015	418	2,884	$1,531,191
2016	385	2,601	$1,862,068
2017	373	2,488	$1,523,558
2018	410	2,455	$1,405,219
2019	553	2,532	$1,905,807
2020	608	2,381	$2,051,349
2021	510	2,640	$2,456,462
2022	462	2,443	$1,938,911
2023	427	2,138	$1,863,995
2024	478	2,669	$3,041,246

DME Billing Trend

Medicare payment trend, with N of patients and DME claim records in the table.

Year	Patients	Claims	Payment
2015	37	493	$35,931
2016	38	345	$17,663
2017	30	233	$11,357
2018	33	209	$9,889
2019	29	210	$9,395
2020	11	151	$9,157
2021	27	213	$11,708
2022	25	300	$21,319
2023	13	254	$27,573
2024	12	172	$14,095

* / # = suppressed by CMS; 0 = reported zero; N/R = not reported or blank.

Top 5 Part B carrier billing codes in 2024

By total payments.

Code	Description	Patients	Clm Lines	Total Payment
80053	Blood test, comprehensive group of blood chemicals	752	2,766	$10
85025	Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	799	2,922	$8
83735	Magnesium level	726	2,728	$7
83615	Lactate dehydrogenase (enzyme) level	725	2,699	$6
84100	Phosphate level	726	2,708	$5

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Revlimid	Lenalidomide	23	644	$443,949
Tagrisso	Osimertinib Mesylate	21	630	$354,230
Xtandi	Enzalutamide	22	660	$307,445
Imbruvica	Ibrutinib	16	448	$255,033
Xalkori	Crizotinib	12	360	$252,282

Top 5 DME services in 2024

By Total Medicare Payment Amount.

HCPCS Code	HCPCS Description	Supplier Rental Indicator	Total Supplier Beneficiaries	Total Supplier Claims	Total Medicare Payment Amount
B4152	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	N	N/R	27	$5,499
E1390	Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate	Y	12	65	$4,730
B4034	Enteral feeding supply kit; syringe fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape	N	N/R	16	$1,385
B4036	Enteral feeding supply kit; gravity fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape	N	N/R	11	$1,301
E0431	Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing	Y	N/R	36	$591

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	85	$1,597	AstraZeneca Pharmaceuticals LP
Research Payments	Reported research-related payment or transfer-of-value amount.	0	$0	N/R
Ownership / Investment Interests	Reported value of ownership or investment interests.	0	$0	N/R

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FAQ

What Medicare data is available for Gregory J. Oakhill, M.D.?

Tedicare shows public-source Medicare data for Gregory J. Oakhill, M.D. (NPI 1356312466), including provider identity, specialty, market context, Medicare Part B activity, Part D prescribing, DME records, Open Payments where available, billing organization details, and ACO affiliation signals where available. Profile data covers 2015-2024, with current attribution based on 2025 claims where available.

Does Gregory J. Oakhill, M.D. have ACO affiliation data?

Gregory J. Oakhill, M.D. is shown with ACO affiliation data for Mercy Health ACO, LLC (MSSP, ACO ID A2616).

What billing organization is linked to Gregory J. Oakhill, M.D.?

Gregory J. Oakhill, M.D. is linked to HIGHLANDS ONCOLOGY GROUP PA (billing NPI 1346211323) in the available physician profile data.

Does Gregory J. Oakhill, M.D. have Open Payments data?

Gregory J. Oakhill, M.D. has 85 connected Open Payments records in the available 2024 summary data.

Can I download physician-level Medicare data from Tedicare?

Yes. Tedicare provides sample physician export data and paid custom physician data exports for research, planning, outreach, and market analysis. Exports can include physician profile fields, market and specialty context, billing organization details, ACO affiliation signals where available, and Medicare utilization data.