Physician

Ivanka A Vassileva, MD

According to 2025 Medicare claims, Ivanka Vassileva, MD (NPI: 1295729929) practices family practice in the Lawton, OK market, with the plurality of this provider's patient population coming from Comanche, OK. This provider's primary affiliated billing organization is IVANKA A. VASSILEVA, M.D., P.C. (NPI: 1245428630; TIN: 202844947) and primary practice location at 73505-5977.

Vassileva's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 282 traditional Medicare patients, billed 3,592 HCPCS/CPT codes, and received $168,138 in Medicare payments. The top billing code was G0439 (Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit). Part D data shows 4,047 prescription claims across 292 beneficiaries totaling $378,845 in drug costs, led by Mounjaro (Tirzepatide). DME data shows 758 claims. Open Payments data shows 9 records totaling $205. 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 $215,299 to $168,138. Concurrently, Part D prescription costs have changed little. For DME billing, reported payments moved up and down with repeated peaks and valleys, starting at $74,193 and ending at $51,107.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	455	3,399	$215,299
2016	456	4,539	$261,515
2017	442	5,071	$266,460
2018	481	4,863	$256,144
2019	448	4,822	$250,718
2020	395	3,761	$196,337
2021	361	3,480	$199,322
2022	329	2,910	$161,984
2023	290	2,732	$161,739
2024	282	3,592	$168,138

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	261	4,838	$412,957
2016	257	4,627	$376,905
2017	248	4,652	$379,821
2018	256	4,254	$383,493
2019	275	4,419	$440,960
2020	287	4,516	$535,740
2021	308	4,340	$496,653
2022	324	4,035	$384,207
2023	301	3,869	$435,742
2024	292	4,047	$378,845

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	279	1,092	$64,102
2016	233	758	$30,868
2017	304	1,133	$44,970
2018	242	1,055	$39,473
2019	206	1,066	$38,336
2020	182	961	$55,668
2021	130	797	$53,726
2022	103	707	$56,765
2023	117	874	$69,889
2024	124	758	$47,576

* / # = 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
G0439	Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	208	208	$124
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	267	893	$81
G0442	Annual alcohol misuse screening, 5 to 15 minutes	219	219	$18
G0444	Annual depression screening, 5 to 15 minutes	208	208	$18
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	268	1,108	$12

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Mounjaro	Tirzepatide	37	1,204	$41,088
Eliquis	Apixaban	49	1,988	$36,962
Trulicity	Dulaglutide	15	1,036	$34,077
Jardiance	Empagliflozin	22	1,740	$34,051
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	18	1,380	$28,848

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
E1390	Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate	Y	38	356	$24,269
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	37	$13,795
A7030	Full face mask used with positive airway pressure device, each	N	11	24	$1,647
A7031	Face mask interface, replacement for full face mask, each	N	11	26	$1,575
A7032	Cushion for use on nasal mask interface, replacement only, each	N	N/R	21	$1,397

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	9	$205	AstraZeneca Pharmaceuticals LP
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 Ivanka A. Vassileva, MD?

Tedicare shows public-source Medicare data for Ivanka A. Vassileva, MD (NPI 1295729929), 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 Ivanka A. Vassileva, 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 Ivanka A. Vassileva, MD?

Ivanka A. Vassileva, MD is linked to IVANKA A. VASSILEVA, M.D., P.C. (billing NPI 1245428630) in the available physician profile data.

Does Ivanka A. Vassileva, MD have Open Payments data?

Ivanka A. Vassileva, MD has 9 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.