Physician

John Charles Chapman, M.D.

According to 2025 Medicare claims, John Chapman, M.D. (NPI: 1437474772) practices dermatology in the Lafayette, LA market, with the plurality of this provider's patient population coming from Lafayette, LA. This provider's primary affiliated billing organization is JOHN CHAPMAN LLC (NPI: 1790146223; TIN: 475623728) and primary practice location at 70508-5744.

Chapman's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 2,134 traditional Medicare patients, billed 9,622 HCPCS/CPT codes, and received $1,729,650 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 3,091 prescription claims across 1,852 beneficiaries totaling $853,635 in drug costs, led by Skyrizi Pen (Risankizumab-Rzaa). Open Payments data shows 14 records totaling $1,585. 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 $490,858 to $1,729,650. Similarly, Part D prescription costs have moved sharply higher in recent years, from $77,720 to $853,635. 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	598	2,307	$490,858
2016	670	2,303	$628,088
2017	719	3,337	$839,460
2018	792	3,095	$765,439
2019	1,047	3,859	$970,387
2020	953	4,291	$905,095
2021	1,081	4,544	$997,644
2022	1,467	6,410	$1,312,846
2023	1,781	9,175	$1,609,353
2024	2,134	9,622	$1,729,650

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	630	1,339	$77,720
2016	710	1,462	$13,536
2017	598	1,005	$18,052
2018	682	1,215	$92,479
2019	915	1,661	$305,677
2020	891	1,699	$321,971
2021	1,036	1,875	$420,554
2022	1,518	2,353	$691,097
2023	1,887	3,249	$634,870
2024	1,852	3,091	$853,635

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	966	1,160	$459
17312	Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks	443	613	$315
99204	New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	433	433	$118
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	577	813	$91
17110	Destruction of skin growth, 1-14 growths	401	523	$77

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Skyrizi Pen	Risankizumab-Rzaa	15	1,278	$342,138
Dupixent Syringe	Dupilumab	19	518	$79,762
Dupixent Pen	Dupilumab	18	494	$66,014
Fluorouracil	Fluorouracil	380	11,069	$26,428
Doxycycline Hyclate	Doxycycline Hyclate	1,462	17,237	$13,869

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.	14	$1,585	Amgen 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 John Charles Chapman, M.D.?

Tedicare shows public-source Medicare data for John Charles Chapman, M.D. (NPI 1437474772), 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 John Charles Chapman, 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 John Charles Chapman, M.D.?

John Charles Chapman, M.D. is linked to JOHN CHAPMAN LLC (billing NPI 1790146223) in the available physician profile data.

Does John Charles Chapman, M.D. have Open Payments data?

John Charles Chapman, M.D. has 14 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.