Physician

Ian C Horkheimer, MD

According to 2025 Medicare claims, Ian Horkheimer, MD (NPI: 1316924772) practices hematology/oncology in the Lakewood-New Brunswick, NJ market, with the plurality of this provider's patient population coming from Monmouth, NJ. This provider's primary affiliated billing organization is REGIONAL CANCER CARE ASSOCIATES LLC (NPI: 1801850243; TIN: 223141761) and primary practice location at 07739-1166.

Horkheimer's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 845 traditional Medicare patients, billed 221,200 HCPCS/CPT codes, and received $4,445,614 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 1,147 prescription claims across 222 beneficiaries totaling $2,681,776 in drug costs, led by Imbruvica (Ibrutinib). DME data shows 165 claims. Open Payments data shows 34 records totaling $56,273. 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 from a lower plateau to a higher plateau, from $1,596,127 to $4,445,614. Similarly, Part D prescription costs have risen steadily, from $448,930 to $2,681,776. In contrast, DME billing represents a smaller volume and moved up and down with repeated peaks and valleys, starting at $11,164 and ending at $9,224.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	671	106,430	$1,596,127
2016	664	117,765	$1,785,263
2017	657	159,325	$2,631,723
2018	689	197,330	$3,353,936
2019	565	161,394	$3,003,486
2020	475	160,588	$3,287,442
2021	522	157,913	$3,339,988
2022	743	212,518	$3,785,884
2023	746	181,713	$3,924,227
2024	845	221,200	$4,445,614

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	123	803	$448,930
2016	152	967	$818,604
2017	178	1,201	$1,566,779
2018	189	1,239	$1,614,453
2019	197	1,365	$1,937,801
2020	193	1,354	$2,908,190
2021	178	1,053	$1,854,565
2022	195	1,148	$2,276,200
2023	200	1,082	$2,653,578
2024	222	1,147	$2,681,776

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	N/R	263	$66,202
2016	11	379	$45,942
2017	52	326	$23,698
2018	62	600	$27,613
2019	N/R	359	$23,274
2020	N/R	213	$12,019
2021	N/R	52	$978
2022	N/R	127	$5,304
2023	N/R	148	$7,489
2024	N/R	165	$9,475

* / # = 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	501	1,364	$103
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	201	385	$74
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	208	420	$13
36415	Insertion of needle into vein for collection of blood sample	629	1,646	$9
85025	Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	665	1,995	$8

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Imbruvica	Ibrutinib	25	700	$401,933
Pomalyst	Pomalidomide	16	420	$332,897
Ibrance	Palbociclib	21	588	$326,557
Revlimid	Lenalidomide	19	504	$319,578
Xalkori	Crizotinib	12	360	$274,512

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
E0781	Ambulatory infusion pump, single or multiple channels, electric or battery operated, with administrative equipment, worn by patient	Y	N/R	22	$4,528
A4222	Infusion supplies for external drug infusion pump, per cassette or bag (list drugs separately)	N	N/R	35	$1,491
E1390	Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate	Y	N/R	22	$1,466
E1392	Portable oxygen concentrator, rental	Y	N/R	22	$733
J9190	Injection, fluorouracil, 500 mg	N	N/R	35	$701

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	10	$164	Gilead Sciences, Inc.
Research Payments	Reported research-related payment or transfer-of-value amount.	22	$56,109	Epizyme, Inc.
Ownership / Investment Interests	Reported value of ownership or investment interests.	2	$9,000	Cornerstone Specialty Network LLC

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FAQ

What Medicare data is available for Ian C. Horkheimer, MD?

Tedicare shows public-source Medicare data for Ian C. Horkheimer, MD (NPI 1316924772), 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 Ian C. Horkheimer, 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 Ian C. Horkheimer, MD?

Ian C. Horkheimer, MD is linked to REGIONAL CANCER CARE ASSOCIATES LLC (billing NPI 1801850243) in the available physician profile data.

Does Ian C. Horkheimer, MD have Open Payments data?

Ian C. Horkheimer, MD has 34 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.