Physician

Un Yong Karl Chin, MD

According to 2025 Medicare claims, Un Chin, MD (NPI: 1326057316) practices general surgery in the Salisbury, MD market, with the plurality of this provider's patient population coming from Wicomico, MD. This provider's primary affiliated billing organization is MID ATLANTIC SURGICAL GROUP (NPI: 1215122809; TIN: 52-1101901) and primary practice location at 21801-5422.

Chin's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 557 traditional Medicare patients, billed 1,347 HCPCS/CPT codes, and received $281,688 in Medicare payments. The top billing code was 99205 (New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more). Part D data shows 374 prescription claims across 187 beneficiaries totaling $55,274 in drug costs, led by Creon (Lipase/Protease/Amylase). DME data shows 173 claims. Open Payments data shows 10 records totaling $176. 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 risen steadily, from $204,654 to $281,688. Similarly, Part D prescription costs have moved sharply higher in recent years, from $10,309 to $55,274. In contrast, DME billing represents a smaller volume and moved up and down with repeated peaks and valleys, starting at $5,121 and ending at $1,050.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	437	1,020	$204,654
2016	413	971	$180,813
2017	420	1,044	$202,345
2018	491	1,251	$262,278
2019	541	1,411	$284,144
2020	533	1,250	$276,262
2021	575	1,432	$328,344
2022	593	1,452	$332,080
2023	610	1,365	$287,228
2024	557	1,347	$281,688

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	82	176	$10,309
2016	92	146	$10,073
2017	94	218	$9,891
2018	118	241	$11,198
2019	112	248	$6,659
2020	130	295	$23,398
2021	158	361	$43,835
2022	149	410	$81,701
2023	166	353	$106,194
2024	187	374	$55,274

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	N/R	103	$8,016
2016	N/R	70	$7,381
2017	N/R	52	$5,867
2018	N/R	N/R	N/R
2019	N/R	59	$4,573
2020	N/R	27	$2,275
2021	N/R	23	$1,675
2022	N/R	43	$1,458
2023	N/R	69	$2,427
2024	N/R	173	$15,534

* / # = 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
99205	New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	66	66	$172
99215	Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	73	76	$142
99223	Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	42	42	$132
99203	New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	54	54	$86
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	285	434	$69

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Creon	Lipase/Protease/Amylase	23	1,005	$36,702
Linzess	Linaclotide	13	358	$6,637
Enoxaparin Sodium	Enoxaparin Sodium	12	63	$556
Levothyroxine Sodium	Levothyroxine Sodium	46	2,550	$335
Oxycodone Hcl	Oxycodone Hcl	134	507	$332

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
A4407	Ostomy skin barrier, with flange (solid, flexible, or accordion), extended wear, with built-in convexity, 4 x 4 inches or smaller, each	N	N/R	15	$5,240
A4385	Ostomy skin barrier, solid 4 x 4 or equivalent, extended wear, without built-in convexity, each	N	N/R	18	$3,227
A4388	Ostomy pouch, drainable, with extended wear barrier attached, (1 piece), each	N	N/R	21	$2,146
A4425	Ostomy pouch, drainable; for use on barrier with non-locking flange, with filter (2 piece system), each	N	N/R	16	$1,683
A4409	Ostomy skin barrier, with flange (solid, flexible or accordion), extended wear, without built-in convexity, 4 x 4 inches or smaller, each	N	N/R	12	$1,361

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	10	$176	Tactile Systems Technology 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 Un Yong Karl Chin, MD?

Tedicare shows public-source Medicare data for Un Yong Karl Chin, MD (NPI 1326057316), 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 Un Yong Karl Chin, 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 Un Yong Karl Chin, MD?

Un Yong Karl Chin, MD is linked to MID ATLANTIC SURGICAL GROUP (billing NPI 1215122809) in the available physician profile data.

Does Un Yong Karl Chin, MD have Open Payments data?

Un Yong Karl Chin, MD has 10 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.