Esoterix Genetic Laboratories, LLC

Esoterix Genetic Laboratories, LLC was paid $56.93M by Medicaid between Jan 2018 and Dec 2024, across 54 billing codes. Its largest line is 81220, CFTR (cystic fibrosis transmembrane conductance regulator) gene analysis; common variants — 56% of everything it billed.

33Billing provider infoESOTERIX GENETIC LABORATORIES, LLC
WESTBOROUGH, MA 01581

33aNPI1689975021assigned 11/16/2010

33bProvider typeClinical Medical Laboratory

28Total paid$56.93M

24GClaims764,966

24DCodes billed54

24AFirst – last monthJan 2018 – Dec 2024

Compared with peers

Next to other Clinical Medical Laboratory providers in Massachusetts

Rank by total paid#4 of 63

Median peer was paid$473K

This provider vs. median120×

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.

Auditor's notes

Automated statistical signals. Not evidence of fraud — how these are computed.

Entity ProliferationAuthorized official WILLIAMS, KIMBERLY controls 20+ related entities in our dataset. Read more

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	39,368	$4.20M
2019	43,828	$3.79M
2020	125,409	$9.18M
2021	216,843	$10.68M
2022	132,311	$8.37M
2023	98,102	$9.64M
2024incomplete	109,105	$11.07M

Box 24 · Service lines

What it billed for

Code	Service	Share	Claims	Bene. records	Paid
81220	CFTR (cystic fibrosis transmembrane conductance regulator) gene analysis; common variants	56%	130,502	117,809	$32.03M
U0003	Infectious agent detection by nucleic acid (dna or rna); severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (coronavirus disease [covid-19]), amplified probe technique, making use of high throughput technologies as described by cms-2020-01-r	14%	117,622	97,780	$7.80M
81329		12%	138,882	124,387	$6.63M
81420	Fetal chromosomal aneuploidy genomic sequence analysis panel	3.7%	10,068	9,748	$2.09M
81243		3.1%	78,410	69,872	$1.76M
81361		1.3%	22,534	19,091	$730K
81257		1.3%	21,342	17,935	$723K
81401		1.2%	8,921	8,208	$709K
U0005	Infectious agent detection by nucleic acid (dna or rna); severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (coronavirus disease [covid-19]), amplified probe technique, cdc or non-cdc, making use of high throughput technologies, completed within 2 calendar days from date of specimen collection (list separately in addition to either hcpcs code u0003 or u0004) as described by cms-2020-01-r2	<1%	32,113	23,321	$498K
81251		<1%	22,700	19,250	$407K
81200		<1%	22,894	19,461	$403K
81255		<1%	22,048	18,604	$376K

42 more codes

81330		<1%	22,417	$351K
81443		<1%	2,053	$313K
81479	Unlisted molecular pathology procedure	<1%	2,922	$259K
81209		<1%	22,885	$251K
81260		<1%	22,447	$240K
81290		<1%	22,243	$231K
81242		<1%	22,537	$229K
81412		<1%	157	$136K
88267		<1%	1,129	$131K
88235		<1%	1,201	$109K
88271		<1%	1,424	$86K
81223		<1%	145	$79K
81406		<1%	452	$62K
88274		<1%	1,398	$47K
81404		<1%	363	$32K
81244		<1%	1,297	$27K
88280		<1%	1,128	$19K
81402		<1%	278	$17K
88262		<1%	160	$15K
82105		<1%	1,323	$15K
88285		<1%	1,092	$14K
84702		<1%	1,115	$12K
81205		<1%	248	$12K
81400		<1%	495	$11K
81250		<1%	224	$9K
88230		<1%	147	$9K
82106		<1%	654	$8K
81232		<1%	233	$8K
82677		<1%	569	$8K
86336		<1%	569	$6K
81405		<1%	196	$6K
84163		<1%	517	$5K
81364		<1%	54	$5K
G2023	Specimen collection for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (coronavirus disease [covid-19]), any specimen source	<1%	245	$4K
81407		<1%	42	$1K
81265		<1%	26	$1K
36415	Collection of venous blood by venipuncture	<1%	114	$819.92
81408		<1%	55	$467.50
99001		<1%	1,130	$167.91
83080		<1%	12	$161.66
81422		0%	1,189	$0.00
99080		0%	45	$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.

From NPPES

Who's on the registration

Authorized officialWILLIAMS, KIMBERLY (VP)

Same official

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Matched on the authorized-official name exactly as entered in NPPES. A common name can match unrelated people.