Physician

Nwaehihie Harrison Onyeaghala, MD

According to 2025 Medicare claims, Nwaehihie Onyeaghala, MD (NPI: 1114938800) practices internal medicine in the Washington, DC-MD market, with the plurality of this provider's patient population coming from The District, DC. This provider's primary affiliated billing organization is KRYSTAL MEDICAL ASSOCIATES LLC (NPI: 1164604187; TIN: 522271963) and primary practice location at 20769-9998.

Onyeaghala's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 105 traditional Medicare patients, billed 6,830 HCPCS/CPT codes, and received $11,979,157 in Medicare payments. The top billing code was 99214 (Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more). Part D data shows 1,893 prescription claims across 190 beneficiaries totaling $223,999 in drug costs, led by Biktarvy (Bictegrav/Emtricit/Tenofov Ala). DME data shows 47 claims. Open Payments data shows 2 records totaling $56. 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 sharply higher in recent years, from $331,079 to $11,979,157. In contrast, Part D prescription costs have fallen sharply in recent years, from $404,855 to $223,999. For DME billing, this smaller-volume category moved up and down with repeated peaks and valleys, starting at $2,989 and ending at $7,838.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	202	3,437	$331,079
2016	215	2,670	$242,202
2017	211	1,762	$135,799
2018	206	4,067	$129,219
2019	182	1,393	$79,992
2020	141	3,318	$122,552
2021	131	1,833	$160,398
2022	106	1,386	$142,467
2023	115	2,050	$140,724
2024	105	6,830	$11,979,157

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	214	5,977	$404,855
2016	228	7,486	$501,804
2017	238	8,817	$601,417
2018	250	9,120	$753,441
2019	249	8,644	$788,103
2020	222	8,320	$899,990
2021	205	7,058	$756,905
2022	191	5,457	$624,546
2023	208	5,674	$658,825
2024	190	1,893	$223,999

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	28	88	$1,352
2016	17	57	$1,042
2017	25	58	$661
2018	12	60	$888
2019	N/R	70	$888
2020	N/R	81	$763
2021	12	83	$7,131
2022	N/R	48	$1,903
2023	N/R	40	$3,718
2024	N/R	47	$5,821

* / # = 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
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	72	147	$99
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	99	585	$76
99497	Advance care planning, first 30 minutes	24	24	$62
99490	Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	23	94	$55
99457	Management using the results of remote vital sign monitoring per calendar month, first 20 minutes	24	92	$44

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Biktarvy	Bictegrav/Emtricit/Tenofov Ala	14	420	$55,552
Ozempic	Semaglutide	21	618	$19,429
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	21	630	$13,549
Eliquis	Apixaban	19	735	$12,414
Albuterol Sulfate Hfa	Albuterol Sulfate	191	6,789	$4,484

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
A4239	Supply allowance for non-adjunctive, non-implanted continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service	N	N/R	17	$5,703
E0570	Nebulizer, with compressor	Y	N/R	30	$118

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	2	$56	Gilead Sciences, Inc.
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 Nwaehihie Harrison Onyeaghala, MD?

Tedicare shows public-source Medicare data for Nwaehihie Harrison Onyeaghala, MD (NPI 1114938800), 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 Nwaehihie Harrison Onyeaghala, MD have ACO affiliation data?

No ACO affiliation record is shown in the available Tedicare data for this profile.

What billing organization is linked to Nwaehihie Harrison Onyeaghala, MD?

Nwaehihie Harrison Onyeaghala, MD is linked to KRYSTAL MEDICAL ASSOCIATES LLC (billing NPI 1164604187) in the available physician profile data.

Does Nwaehihie Harrison Onyeaghala, MD have Open Payments data?

Nwaehihie Harrison Onyeaghala, MD has 2 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.