Physician

Mark Alan Chastain, MD

According to 2025 Medicare claims, Mark Chastain, MD (NPI: 1790756138) practices micrographic dermatologic surgery in the Marietta, GA market, with the plurality of this provider's patient population coming from Cobb, GA. This provider's primary affiliated billing organization is AQUA DERMATOLOGY OF GEORGIA PC (NPI: 1114022167; TIN: 912197705) and primary practice location at 30060-1031.

Chastain's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 1,350 traditional Medicare patients, billed 7,034 HCPCS/CPT codes, and received $1,598,544 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 3,177 prescription claims across 1,650 beneficiaries totaling $31,258 in drug costs, led by Cephalexin (Cephalexin). Open Payments data shows 35 records totaling $1,351. 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 have moved up and down with repeated peaks and valleys, starting at $160,169 and ending at $31,258. 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	1,684	9,630	$2,131,464
2016	1,883	9,215	$2,073,967
2017	1,672	7,393	$1,702,196
2018	1,656	6,828	$1,640,810
2019	1,839	7,681	$1,813,076
2020	1,609	7,092	$1,602,060
2021	1,672	6,832	$1,648,188
2022	1,618	6,771	$1,485,185
2023	1,528	7,310	$1,646,631
2024	1,350	7,034	$1,598,544

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	1,741	3,719	$160,169
2016	2,045	4,328	$190,927
2017	1,929	3,869	$190,224
2018	2,322	4,709	$351,132
2019	2,342	4,694	$600,555
2020	2,556	5,253	$832,136
2021	1,963	3,649	$180,871
2022	1,611	3,022	$124,341
2023	1,623	3,148	$165,972
2024	1,650	3,177	$31,258

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	848	1,119	$439
17313	Removal and microscopic exam of growth of trunk, arms, or legs, 1-5 tissue blocks	287	374	$408
17312	Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks	528	1,094	$314
13132	Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm	491	530	$183
13121	Complicated repair of wound of scalp, arms, or legs, 2.6-7.5 cm	322	352	$171

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Cephalexin	Cephalexin	1,484	10,499	$5,464
Doxycycline Hyclate	Doxycycline Hyclate	247	1,984	$2,665
Fluorouracil	Fluorouracil	26	771	$1,680
Tramadol Hcl	Tramadol Hcl	947	2,465	$1,233
Clobetasol Propionate	Clobetasol Propionate	11	240	$513

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.	35	$1,351	ABBVIE 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 Mark Alan Chastain, MD?

Tedicare shows public-source Medicare data for Mark Alan Chastain, MD (NPI 1790756138), 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 Mark Alan Chastain, 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 Mark Alan Chastain, MD?

Mark Alan Chastain, MD is linked to AQUA DERMATOLOGY OF GEORGIA PC (billing NPI 1114022167) in the available physician profile data.

Does Mark Alan Chastain, MD have Open Payments data?

Mark Alan Chastain, MD has 35 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.