Physician

Gina Maria Marrero, M.D.

According to 2025 Medicare claims, Gina Marrero, M.D. (NPI: 1205835790) practices unknown physician specialty in the Nassau County-Suffolk County, NY market, with the plurality of this provider's patient population coming from Nassau, NY. This provider's primary affiliated billing organization is ATLANTIC DERMATOLOGIC ASSOCIATES, LLP (NPI: 1447264387) and primary practice location at 11563-2640.

Marrero's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 477 traditional Medicare patients, billed 1,268 HCPCS/CPT codes, and received $537,961 in Medicare payments. The top billing code was 17311 (Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks). Part D data shows 129 prescription claims across 98 beneficiaries totaling $1,238 in drug costs, led by Cefadroxil (Cefadroxil). Open Payments data shows 2 records totaling $59. 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 changed little. Concurrently, Part D prescription costs started with an early spike, then settled into a lower baseline, moving from $2,676 to $1,238. 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	362	1,241	$502,324
2016	343	1,105	$445,287
2017	330	1,053	$424,807
2018	307	968	$375,165
2019	280	986	$389,777
2020	339	1,016	$438,511
2021	440	1,187	$542,235
2022	423	1,225	$540,897
2023	463	1,250	$539,835
2024	477	1,268	$537,961

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	92	107	$2,676
2016	55	67	$564
2017	72	95	$822
2018	73	85	$1,054
2019	101	141	$2,066
2020	75	95	$1,329
2021	66	85	$919
2022	67	88	$1,241
2023	64	77	$1,001
2024	98	129	$1,238

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
17311	Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks	352	425	$605
17313	Removal and microscopic exam of growth of trunk, arms, or legs, 1-5 tissue blocks	133	175	$589
17312	Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks	128	171	$390
12032	Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm	88	107	$195
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	108	109	$79

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Cefadroxil	Cefadroxil	57	564	$442
Cephalexin	Cephalexin	35	50	$152

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.	2	$59	Regeneron Healthcare Solutions, 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 Gina Maria Marrero, M.D.?

Tedicare shows public-source Medicare data for Gina Maria Marrero, M.D. (NPI 1205835790), 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 Gina Maria Marrero, 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 Gina Maria Marrero, M.D.?

Gina Maria Marrero, M.D. is linked to ATLANTIC DERMATOLOGIC ASSOCIATES, LLP (billing NPI 1447264387) in the available physician profile data.

Does Gina Maria Marrero, M.D. have Open Payments data?

Gina Maria Marrero, M.D. has 2 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.