Physician

Joy B Chastain, M.D.

According to 2025 Medicare claims, Joy Chastain, M.D. (NPI: 1396749925) practices dermatology in the Athens-Clarke County, GA market, with the plurality of this provider's patient population coming from Clarke, GA. This provider's primary affiliated billing organization is JOY B CHASTAIN MD PC (NPI: 1588720387; TIN: 200576430) and primary practice location at 30606-2190.

Chastain's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 743 traditional Medicare patients, billed 48,419 HCPCS/CPT codes, and received $305,442 in Medicare payments. The top billing code was 17004 (Destruction of precancer skin growth, 15 or more growths). Part D data shows 1,781 prescription claims across 565 beneficiaries totaling $545,994 in drug costs, led by Humira(Cf) Pen (Adalimumab). Open Payments data shows 76 records totaling $1,392. 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 did not follow a clear longitudinal pattern. 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	1,124	9,014	$306,567
2016	1,197	9,131	$312,933
2017	1,261	9,690	$309,670
2018	1,304	9,740	$355,349
2019	1,339	10,679	$358,717
2020	1,083	9,664	$296,675
2021	1,031	36,734	$324,533
2022	705	44,651	$298,682
2023	782	42,708	$288,422
2024	743	48,419	$305,442

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	495	1,587	$377,133
2016	491	1,592	$474,667
2017	516	1,671	$569,304
2018	593	1,916	$610,232
2019	614	1,940	$687,353
2020	556	1,919	$757,790
2021	527	1,676	$420,795
2022	473	1,655	$462,496
2023	503	1,654	$568,702
2024	565	1,781	$545,994

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
17004	Destruction of precancer skin growth, 15 or more growths	255	367	$112
17110	Destruction of skin growth, 1-14 growths	363	432	$77
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	549	793	$56
17000	Destruction of precancer skin growth, 1 growth	464	610	$31
17003	Destruction of precancer skin growth, 2-14 growths	414	2,899	$5

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Humira(Cf) Pen	Adalimumab	15	420	$101,763
Otezla	Apremilast	18	540	$86,288
Dupixent Pen	Dupilumab	15	420	$55,907
Fluorouracil	Fluorouracil	112	3,340	$7,972
Clobetasol Propionate	Clobetasol Propionate	148	4,165	$4,946

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.	76	$1,392	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 Joy B. Chastain, M.D.?

Tedicare shows public-source Medicare data for Joy B. Chastain, M.D. (NPI 1396749925), 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 Joy B. Chastain, 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 Joy B. Chastain, M.D.?

Joy B. Chastain, M.D. is linked to JOY B CHASTAIN MD PC (billing NPI 1588720387) in the available physician profile data.

Does Joy B. Chastain, M.D. have Open Payments data?

Joy B. Chastain, M.D. has 76 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.