Ahn, Woo Sung

Ahn, Woo Sung was paid $3K by Medicaid between Jan 2018 and Nov 2022, across 5 billing codes. Its largest line is 99454, — 36% of everything it billed.

33Billing provider infoAHN, WOO SUNG
LAKEWOOD, CA 90715

33aNPI1396807806assigned 12/14/2006

33bProvider typeInternal Medicine Physician

28Total paid$3K

24GClaims623

24DCodes billed5

24AFirst – last monthJan 2018 – Nov 2022

Compared with peers

Next to other Internal Medicine Physician providers in California

Rank by total paid#1,783 of 2,679

Median peer was paid$13K

This provider vs. median0.2×

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	144	$94.06
2020	111	$88.58
2021	242	$2K
2022	126	$363.22

Box 24 · Service lines

What it billed for

Code	Service	Share	Claims	Bene. records	Paid
99454		36%	31	31	$1K
99457		29%	31	31	$814.40
99213	Doctor's office visit, returning patient (routine)Office or other outpatient visit for the evaluation and management of an established patient, low complexity	25%	532	392	$705.61
99453		10.0%	16	16	$280.82
36415	Collection of venous blood by venipuncture	0%	13	13	$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.