Michelle L Chan a Professional Corporation

Michelle L Chan a Professional Corporation was paid $78K by Medicaid between Jan 2018 and Oct 2024, across 8 billing codes. Its largest line is 99223, Prolong inpt eval add15 m — 30% of everything it billed.

33Billing provider infoMICHELLE L CHAN A PROFESSIONAL CORPORATION
SAN GABRIEL, CA 91776

33aNPI1427361146assigned 07/22/2010

33bProvider typeInternal Medicine Physician

28Total paid$78K

24GClaims5,010

24DCodes billed8

24AFirst – last monthJan 2018 – Oct 2024

Compared with peers

Next to other Internal Medicine Physician providers in California

Rank by total paid#724 of 2,679

Median peer was paid$13K

This provider vs. median6.2×

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	958	$11K
2019	1,093	$13K
2020	967	$26K
2021	233	$5K
2022	870	$17K
2023	654	$5K
2024incomplete	235	$1K

Box 24 · Service lines

What it billed for

Code	Service	Share	Claims	Bene. records	Paid
99223	Prolong inpt eval add15 m	30%	322	295	$24K
99233	Hospital visit by a doctor, follow-up day (complex)Prolong inpt eval add15 m	24%	705	111	$18K
99490	Ccm add 20min	20%	1,212	1,209	$16K
99213	Doctor's office visit, returning patient (routine)Office or other outpatient visit for the evaluation and management of an established patient, low complexity	13%	1,619	1,588	$10K
99232	Hospital visit by a doctor, follow-up daySubsequent hospital care, per day, moderate complexity	10%	964	174	$8K
99308	Subsequent nursing facility care, per day, straightforward	2.2%	156	156	$2K
90686		<1%	16	16	$173.11
90471	Immunization administration (includes percutaneous, intradermal, subcutaneous, or intramuscular injections), 1 vaccine	<1%	16	16	$64.46

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 officialCHAN, MICHELLE (PRESIDENT)