Haessler, Karen

Haessler, Karen was paid $77K by Medicaid between May 2018 and Jan 2023, across 4 billing codes. Its largest line is 80307, Drug test(s), presumptive, any number of drug classes; immunoassay — 37% of everything it billed.

33Billing provider infoHAESSLER, KAREN
CAMBRIDGE, MA 02139

33aNPI1669844064assigned 10/24/2015

33bProvider typeMedical Physician Assistant

28Total paid$77K

24GClaims1,427

24DCodes billed4

24AFirst – last monthMay 2018 – Jan 2023

Compared with peers

Next to other Medical Physician Assistant providers in Massachusetts

Rank by total paid#8 of 75

Median peer was paid$6K

This provider vs. median13×

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	1,002	$54K
2019	406	$22K
2023	19	$847.80

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	37%	594	351	$28K
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	35%	446	299	$27K
99213	Doctor's office visit, returning patient (routine)Office or other outpatient visit for the evaluation and management of an established patient, low complexity	22%	323	234	$17K
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	6.5%	64	40	$5K

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.