Corson, Gail

Corson, Gail was paid $81K by Medicaid between Jan 2018 and Feb 2020, across 6 billing codes. Its largest line is 80307, Drug test(s), presumptive, any number of drug classes; immunoassay — 54% of everything it billed.

33Billing provider infoCORSON, GAIL
LEXINGTON, MA 02421

33aNPI1750314563assigned 07/08/2006

33bProvider typeInternal Medicine Physician

28Total paid$81K

24GClaims1,644

24DCodes billed6

24AFirst – last monthJan 2018 – Feb 2020

Compared with peers

Next to other Internal Medicine Physician providers in Massachusetts

Rank by total paid#247 of 1,270

Median peer was paid$8K

This provider vs. median9.7×

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	1,004	$48K
2019	477	$24K
2020	163	$9K

Box 24 · Service lines

What it billed for

Code	Service	Share	Claims	Bene. records	Paid
80307	Drug test(s), presumptive, any number of drug classes; immunoassay	54%	920	385	$44K
99213	Doctor's office visit, returning patient (routine)Office or other outpatient visit for the evaluation and management of an established patient, low complexity	35%	499	268	$28K
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	5.3%	51	43	$4K
G0480	Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms (any type, single or tandem and excluding immunoassays (e.g., ia, eia, elisa, emit, fpia) and enzymatic methods (e.g., alcohol dehydrogenase)), (2) stable isotope or other universally recognized internal standards in all samples (e.g., to control for matrix effects, interferences and variations in signal strength), and (3) method or drug-specific calibration and matrix-matched quality control material (e.g., to control for instrument variations and mass spectral drift); qualitative or quantitative, all sources, includes specimen validity testing, per day; 1-7 drug class(es), including metabolite(s) if performed	4.7%	64	24	$4K
81025		<1%	84	42	$547.68
99211	Office or other outpatient visit for the evaluation and management of an established patient, minimal severity	<1%	26	19	$415.48

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.