Lab
Esoterix, INC
Esoterix, INC was paid $4.00M by Medicaid between Jan 2018 and Dec 2024, across 89 billing codes. Its largest line is 81220, CFTR (cystic fibrosis transmembrane conductance regulator) gene analysis; common variants — 29% of everything it billed.
33Billing provider infoESOTERIX, INC
CALABASAS HILLS, CA 91301
CALABASAS HILLS, CA 91301
33aNPI1962489237assigned 12/28/2005
33bProvider typeClinical Medical Laboratory
28Total paid$4.00M
24GClaims246,004
24DCodes billed89
24AFirst – last monthJan 2018 – Dec 2024
Compared with peers
Next to other Clinical Medical Laboratory providers in California
Rank by total paid#118 of 561
Median peer was paid$222K
This provider vs. median18×
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 | 12,038 | $611K | |
| 2019 | 16,192 | $600K | |
| 2020 | 17,781 | $397K | |
| 2021 | 31,625 | $358K | |
| 2022 | 41,014 | $487K | |
| 2023 | 63,298 | $740K | |
| 2024incomplete | 64,056 | $806K |
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 | 29% | 5,484 | 5,150 | $1.15M |
| 86235 | 8.1% | 7,096 | 6,167 | $323K | |
| 82306 | Vitamin D; 25 hydroxy, includes fraction(s), if performed | 7.1% | 21,255 | 20,079 | $284K |
| 84403 | 6.5% | 14,509 | 13,256 | $259K | |
| 84443 | Thyroid stimulating hormone (TSH) | 3.5% | 13,508 | 12,663 | $139K |
| 86147 | 3.4% | 3,434 | 3,049 | $134K | |
| 83036 | Hemoglobin; glycosylated (A1C) | 3.1% | 21,073 | 20,112 | $123K |
| 81490 | 2.9% | 2,030 | 1,900 | $118K | |
| 82397 | 2.2% | 13,181 | 11,879 | $88K | |
| 84439 | 1.9% | 15,991 | 15,093 | $77K | |
| 82533 | 1.8% | 5,996 | 4,603 | $72K | |
| 82670 | 1.7% | 3,651 | 3,433 | $67K |
77 more codes
| 86160 | 1.6% | 4,629 | $64K | |
| 86341 | 1.5% | 3,664 | $60K | |
| 84481 | 1.2% | 4,392 | $49K | |
| 82627 | 1.1% | 3,442 | $46K | |
| 86337 | 1.1% | 3,602 | $43K | |
| 86376 | 1.1% | 5,241 | $43K | |
| 83002 | <1% | 3,813 | $39K | |
| 83001 | <1% | 3,739 | $38K | |
| 86038 | <1% | 5,569 | $38K | |
| 83498 | <1% | 2,964 | $36K | |
| 86225 | <1% | 4,554 | $35K | |
| 86200 | <1% | 5,257 | $35K | |
| 82166 | <1% | 2,434 | $33K | |
| 83520 | <1% | 4,159 | $32K | |
| 84305 | <1% | 2,736 | $31K | |
| 84146 | <1% | 2,339 | $30K | |
| 84270 | <1% | 2,156 | $29K | |
| 83516 | <1% | 3,425 | $29K | |
| 82542 | <1% | 2,161 | $25K | |
| 84402 | <1% | 1,703 | $23K | |
| 83525 | <1% | 4,260 | $23K | |
| 80230 | <1% | 1,373 | $22K | |
| 80299 | <1% | 2,503 | $21K | |
| 84410 | <1% | 733 | $21K | |
| 86800 | <1% | 2,216 | $21K | |
| 84432 | <1% | 2,241 | $19K | |
| 86256 | <1% | 2,528 | $19K | |
| 84482 | <1% | 1,497 | $18K | |
| 82652 | <1% | 884 | $16K | |
| 84466 | <1% | 1,882 | $15K | |
| 83527 | <1% | 2,416 | $15K | |
| 80145 | <1% | 983 | $14K | |
| 86431 | <1% | 5,429 | $14K | |
| 84378 | <1% | 2,022 | $13K | |
| 82642 | <1% | 996 | $13K | |
| 83519 | <1% | 1,335 | $12K | |
| 84150 | <1% | 292 | $11K | |
| 83970 | <1% | 454 | $11K | |
| 84140 | <1% | 964 | $10K | |
| 82681 | <1% | 647 | $10K | |
| 82157 | <1% | 1,076 | $9K | |
| 84144 | <1% | 792 | $8K | |
| 86381 | <1% | 578 | $7K | |
| 82657 | <1% | 460 | $5K | |
| 84143 | <1% | 638 | $5K | |
| 82088 | <1% | 211 | $5K | |
| 86036 | <1% | 853 | $4K | |
| 82784 | <1% | 593 | $4K | |
| 84433 | <1% | 311 | $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 | <1% | 69 | $3K |
| 86015 | <1% | 471 | $3K | |
| 83540 | <1% | 756 | $3K | |
| 82523 | <1% | 426 | $3K | |
| 86366 | <1% | 123 | $2K | |
| 82010 | <1% | 519 | $2K | |
| 84480 | <1% | 207 | $2K | |
| 83003 | <1% | 56 | $2K | |
| 85025 | Blood count; complete (CBC), automated, and automated differential WBC count | <1% | 459 | $2K |
| 84244 | <1% | 188 | $2K | |
| 80220 | <1% | 699 | $2K | |
| 84702 | <1% | 205 | $2K | |
| 84153 | <1% | 167 | $2K | |
| 82728 | <1% | 191 | $1K | |
| 84436 | <1% | 290 | $1K | |
| 80197 | <1% | 102 | $1K | |
| 84681 | <1% | 105 | $1K | |
| 80280 | <1% | 71 | $940.56 | |
| 82626 | <1% | 109 | $824.19 | |
| 86146 | <1% | 14 | $668.55 | |
| 80061 | Lipid panel | <1% | 122 | $630.41 |
| 80053 | Comprehensive metabolic panel | <1% | 73 | $326.91 |
| 82570 | <1% | 73 | $297.40 | |
| 86255 | <1% | 32 | $239.60 | |
| 82679 | <1% | 12 | $165.83 | |
| 82634 | <1% | 19 | $110.08 | |
| 82043 | <1% | 12 | $66.00 | |
| 84999 | <1% | 80 | $56.49 |
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)
Matched on the authorized-official name exactly as entered in NPPES. A common name can match unrelated people.