Ying-Yan Leung M D a Professional Corporation

Ying-Yan Leung M D a Professional Corporation was paid $11K by Medicaid between Feb 2018 and Jan 2024, across 6 billing codes. Its largest line is G0180, Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and allowed practitioners to affirm the initial implementation of the plan of care — 37% of everything it billed.

Compared with peers

Next to other Family Medicine Physician providers in California

Rank by total paid#1,276 of 2,511

Median peer was paid$13K

This provider vs. median0.9×

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	$4K
2019	115	$3K
2020	34	$936.45
2021	37	$567.91
2022	81	$2K
2024incomplete	13	$592.03

Box 24 · Service lines

What it billed for

Code	Service	Share	Claims	Bene. records	Paid
G0180	Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and allowed practitioners to affirm the initial implementation of the plan of care	37%	116	116	$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	27%	95	94	$3K
G0179	Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and allowed practitioners to affirm the initial implementation of the plan of care	20%	136	132	$2K
99213	Doctor's office visit, returning patient (routine)Office or other outpatient visit for the evaluation and management of an established patient, low complexity	6.5%	51	24	$739.09
99215	Doctor's office visit, returning patient (complex)Prolong outpt/office vis	5.2%	13	13	$592.03
99349		3.9%	13	13	$450.00

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 officialLEUNG, YING YAN (MD)