Physician

Assem Houssein, M.D.

According to 2025 Medicare claims, Assem Houssein, M.D. (NPI: 1700865722) practices endocrinology in the Columbus, OH market, with the plurality of this provider's patient population coming from Fairfield, OH. This provider's primary affiliated billing organization is ENDOCRINOLOGY OF LANCASTER LLC (NPI: 1811710197; TIN: 994658990) and primary practice location at 43130-8185. Houssein is affiliated with the Main Street Rural Health Sycamore ACO LLC (ACO ID: A5403), participating under the MSSP model.

Houssein's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 363 traditional Medicare patients, billed 1,213 HCPCS/CPT codes, and received $71,283 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 8,448 prescription claims across 838 beneficiaries totaling $4,148,040 in drug costs, led by Ozempic (Semaglutide). DME data shows 823 claims. Open Payments data shows 48 records totaling $704. 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 declined steadily, from $132,844 to $71,283. In contrast, Part D prescription costs have risen steadily, from $2,490,741 to $4,148,040. For DME billing, reported payments moved sharply higher in recent years, from $14,459 to $274,836.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	486	3,897	$132,844
2016	539	3,569	$131,278
2017	547	3,545	$135,084
2018	564	3,405	$129,171
2019	570	3,733	$140,034
2020	552	2,018	$100,468
2021	505	2,283	$126,813
2022	458	2,310	$114,832
2023	438	1,863	$102,587
2024	363	1,213	$71,283

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	661	6,115	$2,490,741
2016	678	6,823	$2,930,899
2017	718	6,705	$3,501,716
2018	733	6,868	$3,729,383
2019	749	7,224	$4,231,925
2020	805	7,608	$4,629,381
2021	828	7,777	$5,396,588
2022	817	7,541	$5,022,906
2023	824	8,106	$5,698,733
2024	838	8,448	$4,148,040

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	390	896	$30,021
2016	403	932	$28,012
2017	242	660	$20,017
2018	298	824	$38,975
2019	427	1,291	$137,163
2020	270	1,298	$203,004
2021	272	1,314	$218,646
2022	245	1,302	$227,091
2023	252	1,526	$283,205
2024	205	823	$280,418

* / # = 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	322	664	$85
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	46	55	$43
95251	Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report	113	206	$25
83036	Hemoglobin a1c level	27	37	$10
36415	Insertion of needle into vein for collection of blood sample	34	47	$9

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Ozempic	Semaglutide	354	17,826	$574,106
Tresiba Flextouch U-200	Insulin Degludec	286	18,761	$493,804
Jardiance	Empagliflozin	322	20,368	$390,142
Tresiba Flextouch U-100	Insulin Degludec	335	21,236	$301,879
Mounjaro	Tirzepatide	179	6,948	$254,411

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	116	518	$244,079
E0784	External ambulatory infusion pump, insulin	Y	N/R	22	$7,234
A4238	Supply allowance for adjunctive, non-implanted continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service	N	N/R	20	$6,765
A4224	Supplies for maintenance of insulin infusion catheter, per week	N	N/R	31	$6,486
J1817	Insulin for administration through dme (i.e., insulin pump) per 50 units	N	N/R	22	$5,741

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	48	$704	Insulet Corporation
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 Assem Houssein, M.D.?

Tedicare shows public-source Medicare data for Assem Houssein, M.D. (NPI 1700865722), 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 Assem Houssein, M.D. have ACO affiliation data?

Assem Houssein, M.D. is shown with ACO affiliation data for Main Street Rural Health Sycamore ACO LLC (MSSP, ACO ID A5403).

What billing organization is linked to Assem Houssein, M.D.?

Assem Houssein, M.D. is linked to ENDOCRINOLOGY OF LANCASTER LLC (billing NPI 1811710197) in the available physician profile data.

Does Assem Houssein, M.D. have Open Payments data?

Assem Houssein, M.D. has 48 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.