Young J. Ko, MD a Medical Corp

Young J. Ko, MD a Medical Corp was paid $57K by Medicaid between Jan 2018 and Oct 2024, across 7 billing codes. Its largest line is 99214, doctor's office visit, returning patient (more involved) — 43% of everything it billed.

33Billing provider infoYOUNG J. KO, MD A MEDICAL CORP
LANCASTER, CA 93534

33aNPI1891919700assigned 04/12/2007

33bProvider typeInternal Medicine Physician

28Total paid$57K

24GClaims2,507

24DCodes billed7

24AFirst – last monthJan 2018 – Oct 2024

Compared with peers

Next to other Internal Medicine Physician providers in California

Rank by total paid#820 of 2,679

Median peer was paid$13K

This provider vs. median4.5×

Peers share this provider's primary NPPES type and state. Size alone says nothing about billing quality: a big agency or a hospital system is expected to sit far above the median.

Box 24A · Dates of service

Paid by month

Paid that monthNov–Dec 2024: claims still arriving when the file was cut, so these months run low for every provider

By year, as a table

Year	Claims	Paid
2018	161	$2K
2019	220	$3K
2020	173	$2K
2021	124	$4K
2022	449	$20K
2023	774	$16K
2024incomplete	606	$10K

Box 24 · Service lines

What it billed for

Code	Service	Share	Claims	Bene. records	Paid
99214	Doctor's office visit, returning patient (more involved)Office or other outpatient visit for the evaluation and management of an established patient, moderate complexity	43%	1,284	1,171	$24K
99215	Doctor's office visit, returning patient (complex)Prolong outpt/office vis	29%	348	312	$16K
99232	Hospital visit by a doctor, follow-up daySubsequent hospital care, per day, moderate complexity	24%	708	123	$13K
99223	Prolong inpt eval add15 m	4.7%	52	51	$3K
G8752	Most recent systolic blood pressure < 140 mmhg	0%	40	37	$0.00
G8427	Eligible clinician attests to documenting in the medical record they obtained, updated, or reviewed the patient's current medications	0%	48	42	$0.00
G8754	Most recent diastolic blood pressure < 90 mmhg	0%	27	26	$0.00

Claims and beneficiary counts add up across code × month rows, so one patient seen every month counts many times. Rows with fewer than 12 claims are suppressed by HHS, so small lines can be missing.

From NPPES

Who's on the registration

Authorized officialKO, YOUNG (CEO)