Physician

Michael Nicholas Papanicolaou, M.D.

According to 2025 Medicare claims, Michael Papanicolaou, M.D. (NPI: 1922038967) practices cardiology in the Oxnard-Thousand Oaks-Ventura, CA market, with the plurality of this provider's patient population coming from Ventura, CA. This provider's primary affiliated billing organization is HEART CENTER CARDIOLOGY (NPI: 1801823133; TIN: 770523152) and primary practice location at 91360-1847. Papanicolaou is affiliated with the Collaborative ACO 30, LLC (ACO ID: A5483), participating under the MSSP model.

Papanicolaou's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 1,528 traditional Medicare patients, billed 8,280 HCPCS/CPT codes, and received $1,347,959 in Medicare payments. The top billing code was A9555 (Rubidium rb-82, diagnostic, per study dose, up to 60 millicuries). Part D data shows 7,733 prescription claims across 946 beneficiaries totaling $2,368,036 in drug costs, led by Eliquis (Apixaban). DME data shows 12 claims. Open Payments data shows 125 records totaling $2,735. 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 $457,266 to $1,347,959. Similarly, Part D prescription costs have moved from a lower plateau to a higher plateau, from $304,714 to $2,368,036. In contrast, DME billing represents a smaller volume and moved up and down with repeated peaks and valleys, starting at $3,563 and ending at $6,033.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	1,949	6,793	$457,266
2016	1,332	4,098	$208,393
2017	1,612	4,498	$222,769
2018	1,454	6,494	$601,290
2019	1,442	8,112	$709,658
2020	1,519	7,697	$740,822
2021	1,514	7,410	$765,121
2022	1,519	7,337	$655,506
2023	1,558	8,773	$1,437,990
2024	1,528	8,280	$1,347,959

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	330	3,009	$304,714
2016	375	3,651	$415,559
2017	429	3,947	$442,633
2018	656	4,968	$776,347
2019	814	7,663	$1,466,520
2020	879	8,270	$1,673,297
2021	925	8,286	$1,736,048
2022	943	7,839	$1,759,905
2023	905	7,889	$1,987,729
2024	946	7,733	$2,368,036

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	N/R	N/R	N/R
2016	N/R	N/R	N/R
2017	N/R	N/R	N/R
2018	N/R	16	$358
2019	N/R	13	$27,702
2020	N/R	N/R	N/R
2021	N/R	N/R	N/R
2022	N/R	11	$118
2023	N/R	N/R	N/R
2024	N/R	12	$5,388

* / # = 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
A9555	Rubidium rb-82, diagnostic, per study dose, up to 60 millicuries	422	846	$410
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	1,064	2,099	$101
93015	Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician	494	496	$62
93000	Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report	588	722	$12
J2785	Injection, regadenoson, 0.1 mg	432	1,736	$6

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Eliquis	Apixaban	530	35,835	$686,627
Vyndamax	Tafamidis	14	540	$400,732
Xarelto	Rivaroxaban	270	19,748	$362,747
Repatha Sureclick	Evolocumab	205	10,780	$208,384
Multaq	Dronedarone Hcl	83	6,677	$170,476

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
E0680	Non-pneumatic compression controller with sequential calibrated gradient pressure	Y	N/R	12	$5,388

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	125	$2,735	PFIZER 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 Michael Nicholas Papanicolaou, M.D.?

Tedicare shows public-source Medicare data for Michael Nicholas Papanicolaou, M.D. (NPI 1922038967), 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 Michael Nicholas Papanicolaou, M.D. have ACO affiliation data?

Michael Nicholas Papanicolaou, M.D. is shown with ACO affiliation data for Collaborative ACO 30, LLC (MSSP, ACO ID A5483).

What billing organization is linked to Michael Nicholas Papanicolaou, M.D.?

Michael Nicholas Papanicolaou, M.D. is linked to HEART CENTER CARDIOLOGY (billing NPI 1801823133) in the available physician profile data.

Does Michael Nicholas Papanicolaou, M.D. have Open Payments data?

Michael Nicholas Papanicolaou, M.D. has 125 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.