Clinic
Sierra Endoscopy Center, LLC
Sierra Endoscopy Center, LLC was paid $578K by Medicaid between Jan 2018 and Sep 2024, across 7 billing codes. Its largest line is 0490, — 57% of everything it billed.
33Billing provider infoSIERRA ENDOSCOPY CENTER, LLC
GRASS VALLEY, CA 95945
GRASS VALLEY, CA 95945
33aNPI1760440515assigned 05/02/2006
33bProvider typeAmbulatory Surgical Clinic/Center
28Total paid$578K
24GClaims12,136
24DCodes billed7
24AFirst – last monthJan 2018 – Sep 2024
Compared with peers
Next to other Ambulatory Surgical Clinic/Center providers in California
Rank by total paid#125 of 347
Median peer was paid$191K
This provider vs. median3.0×
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 BOON, ERIC 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 | 1,710 | $74K | |
| 2019 | 2,888 | $124K | |
| 2020 | 2,920 | $151K | |
| 2021 | 30 | $7K | |
| 2022 | 3,617 | $158K | |
| 2023 | 895 | $59K | |
| 2024incomplete | 76 | $5K |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| 0490 | 57% | 6,434 | 2,083 | $329K | |
| 99199 | Unlisted special service, procedure or report | 30% | 3,896 | 974 | $171K |
| 43239 | Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple | 11% | 1,526 | 1,519 | $61K |
| 45378 | Colonoscopy, flexible; diagnostic, including collection of specimen(s) | 1.9% | 134 | 134 | $11K |
| 45385 | Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) | <1% | 122 | 121 | $5K |
| 45380 | Colonoscopy, flexible; with biopsy, single or multiple | <1% | 12 | 12 | $844.23 |
| G0378 | Hospital observation service, per hour | <1% | 12 | 12 | $360.00 |
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 officialBOON, ERIC (OFFICER/AUTHORIZED OFFICIAL)
Matched on the authorized-official name exactly as entered in NPPES. A common name can match unrelated people.