Physician

Gregory S Sibley, M.D.

According to 2025 Medicare claims, Gregory Sibley, M.D. (NPI: 1043211360) practices radiation oncology in the Arlington-Alexandria-Reston, VA-WV market, with the plurality of this provider's patient population coming from Fairfax, VA. This provider's primary affiliated billing organization is VIRGINIA CANCER SPECIALISTS, P.C. (NPI: 1346294519; TIN: 541795091) and primary practice location at 22031-2172. Sibley is affiliated with the CoreHealth Alliance LLC (ACO ID: A5645), participating under the MSSP model.

Sibley's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 272 traditional Medicare patients, billed 14,656 HCPCS/CPT codes, and received $2,269,363 in Medicare payments. The top billing code was 77263 (Complex radiation therapy planning). Part D data shows 94 prescription claims across 42 beneficiaries totaling $43,853 in drug costs, led by Orgovyx (Relugolix). Open Payments data shows 4 records totaling $7,690. 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 risen steadily, from $1,273,200 to $2,269,363. Similarly, Part D prescription costs have risen steadily, from $2,288 to $43,853. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	284	6,130	$1,273,200
2016	277	7,053	$1,301,422
2017	328	6,226	$1,328,745
2018	331	8,871	$1,404,880
2019	348	10,853	$2,075,395
2020	315	8,631	$1,788,978
2021	283	10,313	$1,782,220
2022	296	9,275	$2,411,903
2023	298	14,127	$2,526,448
2024	272	14,656	$2,269,363

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	31	65	$2,288
2016	46	106	$2,362
2017	44	111	$3,381
2018	42	108	$3,880
2019	49	135	$3,220
2020	59	163	$1,731
2021	47	120	$23,169
2022	56	166	$64,083
2023	37	107	$36,725
2024	42	94	$43,853

DME Billing Trend

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

No connected DME records

* / # = 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
77263	Complex radiation therapy planning	121	129	$139
99204	New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	120	120	$135
77334	Design and construction of complex radiation treatment device	92	259	$112
77336	Continuing radiation therapy consultation per week	124	216	$83
77300	Calculation of radiation therapy dose	133	394	$59

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Orgovyx	Relugolix	16	478	$42,745
Tamsulosin Hcl	Tamsulosin Hcl	26	1,698	$367
Ciprofloxacin Hcl	Ciprofloxacin Hcl	14	18	$13

Top 5 DME services in 2024

No connected or detailed DME service-level records for 2024.

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	3	$190	Myriad Genetic Laboratories, Inc.
Research Payments	Reported research-related payment or transfer-of-value amount.	1	$7,500	Novartis Pharmaceuticals Corporation
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 S. Sibley, M.D.?

Tedicare shows public-source Medicare data for Gregory S. Sibley, M.D. (NPI 1043211360), 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 S. Sibley, M.D. have ACO affiliation data?

Gregory S. Sibley, M.D. is shown with ACO affiliation data for CoreHealth Alliance LLC (MSSP, ACO ID A5645).

What billing organization is linked to Gregory S. Sibley, M.D.?

Gregory S. Sibley, M.D. is linked to VIRGINIA CANCER SPECIALISTS, P.C. (billing NPI 1346294519) in the available physician profile data.

Does Gregory S. Sibley, M.D. have Open Payments data?

Gregory S. Sibley, M.D. has 4 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.