Physician

William G. Ferrell, M.D.

According to 2025 Medicare claims, William Ferrell, M.D. (NPI: 1740212562) practices neurology in the Raleigh-Cary, NC market, with the plurality of this provider's patient population coming from Wake, NC. This provider's primary affiliated billing organization is RALEIGH NEUROLOGY ASSOCIATES, P. A. (NPI: 1215954003; TIN: 562002729) and primary practice location at 27607-5253.

Ferrell's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 295 traditional Medicare patients, billed 38,973 HCPCS/CPT codes, and received $1,120,106 in Medicare payments. The top billing code was 99204 (New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more). Part D data shows 2,134 prescription claims across 424 beneficiaries totaling $783,351 in drug costs, led by Gammagard Liquid (Immun Glob G(Igg)/Gly/Iga Ov50). Open Payments data shows 197 records totaling $4,189. 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 $111,360 to $1,120,106. Concurrently, Part D prescription costs have moved up and down with repeated peaks and valleys, starting at $570,601 and ending at $783,351. 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	584	5,907	$111,360
2016	559	19,223	$251,347
2017	548	20,823	$286,869
2018	523	25,170	$438,124
2019	493	24,863	$460,395
2020	486	25,772	$398,340
2021	412	17,830	$215,302
2022	470	18,339	$231,958
2023	364	34,966	$923,563
2024	295	38,973	$1,120,106

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	314	1,482	$570,601
2016	339	1,757	$707,070
2017	334	2,200	$1,183,127
2018	331	1,408	$652,433
2019	286	1,239	$663,588
2020	307	1,389	$451,894
2021	330	1,327	$406,381
2022	361	1,406	$535,056
2023	365	1,544	$586,461
2024	424	2,134	$783,351

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
99204	New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	78	78	$102
96413	Administration of chemotherapy into vein, 1 hour or less	25	28	$89
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	120	177	$87
96365	Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less	39	92	$43
G2211	Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's	133	148	$12

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Gammagard Liquid	Immun Glob G(Igg)/Gly/Iga Ov50	26	728	$216,902
Aimovig Autoinjector	Erenumab-Aooe	69	2,436	$61,426
Ubrelvy	Ubrogepant	26	722	$43,680
Emgality Pen	Galcanezumab-Gnlm	18	756	$17,103
Ajovy Autoinjector	Fremanezumab-Vfrm	20	724	$16,422

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.	197	$4,189	ABBVIE 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 William G. Ferrell, M.D.?

Tedicare shows public-source Medicare data for William G. Ferrell, M.D. (NPI 1740212562), 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 William G. Ferrell, M.D. have ACO affiliation data?

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

What billing organization is linked to William G. Ferrell, M.D.?

William G. Ferrell, M.D. is linked to RALEIGH NEUROLOGY ASSOCIATES, P. A. (billing NPI 1215954003) in the available physician profile data.

Does William G. Ferrell, M.D. have Open Payments data?

William G. Ferrell, M.D. has 197 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.