Won K Yu MD MPH INC

Won K Yu MD MPH INC was paid $4K by Medicaid between Jan 2018 and Jun 2020, across 5 billing codes. Its largest line is 43239, Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple — 91% of everything it billed.

33Billing provider infoWON K YU MD MPH INC
TUSTIN, CA 92780

33aNPI1538334289assigned 04/24/2008

33bProvider typeGastroenterology Physician

28Total paid$4K

24GClaims672

24DCodes billed5

24AFirst – last monthJan 2018 – Jun 2020

Compared with peers

Next to other Gastroenterology Physician providers in California

Rank by total paid#271 of 363

Median peer was paid$55K

This provider vs. median0.1×

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	393	$3K
2019	137	$818.50
2020	142	$0.00

Box 24 · Service lines

What it billed for

Code	Service	Share	Claims	Bene. records	Paid
43239	Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple	91%	88	88	$4K
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	8.7%	24	24	$363.33
G8427	Eligible clinician attests to documenting in the medical record they obtained, updated, or reviewed the patient's current medications	0%	335	331	$0.00
G8420	Bmi is documented within normal parameters and no follow-up plan is required	0%	187	185	$0.00
3017F		0%	38	38	$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 officialYU, WON (OWNER)