Richard Derby, M.D., Apc
Plan context: Spinal Diagnostics & Treatment Center LLC, 401(K) Profit Sharing Plan
EIN 94-3333512 • 24 filings • 3 plans
Current Snapshot
Latest Year
2024
2024 Participants
1
2024 Assets
$3,446,671
2024 Contributions
$8,644
Historical Graphs
Total Assets Over Time
Aggregate end-of-year assets by filing year, excluding zero-asset years
Participants Over Time
Largest reported end-of-year plan headcount by filing year, used to avoid double-counting participants across overlapping plans
Company Timeline
Year summaries and individual filings are combined here so you can stay in one place while moving across years and plan filings.
| Year / Filing | Filings | Participants | Assets | Contributions | Contrib./Participant |
|---|---|---|---|---|---|
| 2024 | 1 | 1 | $3,446,671 | $0 | - |
| Spinal Diagnostics & Treatment Center LLC, 401(K) Profit Sharing Plan | - | 1 | $3,446,671 | - | - |
| 2023 | 1 | 1 | $2,759,766 | $0 | - |
| Spinal Diagnostics & Treatment Center LLC, 401(K) Profit Sharing Plan | - | 1 | $2,759,766 | - | - |
| 2022 | 1 | 2 | $2,209,757 | $0 | - |
| Spinal Diagnostics & Treatment Center LLC, 401(K) Profit Sharing Plan | - | 2 | $2,209,757 | - | - |
| 2021 | 1 | 4 | $2,698,445 | $0 | - |
| Spinal Diagnostics & Treatment Center LLC, 401(K) Profit Sharing Plan | - | 4 | $2,698,445 | - | - |
| 2020 | 1 | 4 | $2,336,316 | $0 | - |
| Spinal Diagnostics & Treatment Center LLC, 401(K) Profit Sharing Plan | - | 4 | $2,336,316 | - | - |
| 2019 | 1 | 4 | $2,118,545 | $0 | - |
| Spinal Diagnostics & Treatment Center LLC, 401(K) Profit Sharing Plan | - | 4 | $2,118,545 | - | - |
| 2018 | 1 | 4 | $2,118,545 | $0 | - |
| Spinal Diagnostics & Treatment Center LLC, 401(K) Profit Sharing Plan | - | 4 | $2,118,545 | - | - |
| 2017 | 1 | 4 | $2,118,545 | $8,644 | $2,161iApproximate average salary by contribution assumption: employee only about $54,025 at 4% or $36,017 at 6%; with 50% employer match about $36,017 at 4% or $24,011 at 6%; with 100% employer match about $27,013 at 4% or $18,008 at 6%. |
| Spinal Diagnostics & Treatment Center LLC, 401(K) Profit Sharing Plan | - | 4 | $2,118,545 | $8,644 | $2,161iApproximate average salary by contribution assumption: employee only about $54,025 at 4% or $36,017 at 6%; with 50% employer match about $36,017 at 4% or $24,011 at 6%; with 100% employer match about $27,013 at 4% or $18,008 at 6%. |
| 2016 | 1 | 21 | $2,142,714 | $42,975 | $2,046iApproximate average salary by contribution assumption: employee only about $51,161 at 4% or $34,107 at 6%; with 50% employer match about $34,107 at 4% or $22,738 at 6%; with 100% employer match about $25,580 at 4% or $17,054 at 6%. |
| Spinal Diagnostics & Treatment Center LLC, 401(K) Profit Sharing Plan | - | 21 | $2,142,714 | $42,975 | $2,046iApproximate average salary by contribution assumption: employee only about $51,161 at 4% or $34,107 at 6%; with 50% employer match about $34,107 at 4% or $22,738 at 6%; with 100% employer match about $25,580 at 4% or $17,054 at 6%. |
| 2015 | 1 | 23 | $2,012,540 | $41,800 | $1,817iApproximate average salary by contribution assumption: employee only about $45,435 at 4% or $30,290 at 6%; with 50% employer match about $30,290 at 4% or $20,193 at 6%; with 100% employer match about $22,717 at 4% or $15,145 at 6%. |
| Spinal Diagnostics & Treatment Center LLC, 401(K) Profit Sharing Plan | - | 23 | $2,012,540 | $41,800 | $1,817iApproximate average salary by contribution assumption: employee only about $45,435 at 4% or $30,290 at 6%; with 50% employer match about $30,290 at 4% or $20,193 at 6%; with 100% employer match about $22,717 at 4% or $15,145 at 6%. |
| 2014 | 1 | 26 | $2,182,455 | $47,100 | $1,812iApproximate average salary by contribution assumption: employee only about $45,288 at 4% or $30,192 at 6%; with 50% employer match about $30,192 at 4% or $20,128 at 6%; with 100% employer match about $22,644 at 4% or $15,096 at 6%. |
| Spinal Diagnostics & Treatment Center LLC, 401(K) Profit Sharing Plan | - | 26 | $2,182,455 | $47,100 | $1,812iApproximate average salary by contribution assumption: employee only about $45,288 at 4% or $30,192 at 6%; with 50% employer match about $30,192 at 4% or $20,128 at 6%; with 100% employer match about $22,644 at 4% or $15,096 at 6%. |
| 2013 | 1 | 29 | $2,073,308 | $49,072 | $1,692iApproximate average salary by contribution assumption: employee only about $42,303 at 4% or $28,202 at 6%; with 50% employer match about $28,202 at 4% or $18,802 at 6%; with 100% employer match about $21,152 at 4% or $14,101 at 6%. |
| Spinal Diagnostics & Treatment Center LLC, 401(K) Profit Sharing Plan | - | 29 | $2,073,308 | $49,072 | $1,692iApproximate average salary by contribution assumption: employee only about $42,303 at 4% or $28,202 at 6%; with 50% employer match about $28,202 at 4% or $18,802 at 6%; with 100% employer match about $21,152 at 4% or $14,101 at 6%. |
| 2012 | 1 | 28 | $1,876,502 | $56,630 | $2,023iApproximate average salary by contribution assumption: employee only about $50,563 at 4% or $33,708 at 6%; with 50% employer match about $33,708 at 4% or $22,472 at 6%; with 100% employer match about $25,281 at 4% or $16,854 at 6%. |
| Spinal Diagnostics & Treatment Center LLC, 401(K) Profit Sharing Plan | - | 28 | $1,876,502 | $56,630 | $2,023iApproximate average salary by contribution assumption: employee only about $50,563 at 4% or $33,708 at 6%; with 50% employer match about $33,708 at 4% or $22,472 at 6%; with 100% employer match about $25,281 at 4% or $16,854 at 6%. |
| 2011 | 1 | 36 | $2,214,366 | $89,896 | $2,497iApproximate average salary by contribution assumption: employee only about $62,428 at 4% or $41,619 at 6%; with 50% employer match about $41,619 at 4% or $27,746 at 6%; with 100% employer match about $31,214 at 4% or $20,809 at 6%. |
| Spinal Diagnostics & Treatment Center LLC, 401(K) Profit Sharing Plan | - | 36 | $2,214,366 | $89,896 | $2,497iApproximate average salary by contribution assumption: employee only about $62,428 at 4% or $41,619 at 6%; with 50% employer match about $41,619 at 4% or $27,746 at 6%; with 100% employer match about $31,214 at 4% or $20,809 at 6%. |
| 2010 | 1 | 36 | $2,187,566 | $204,612 | $5,684iApproximate average salary by contribution assumption: employee only about $142,092 at 4% or $94,728 at 6%; with 50% employer match about $94,728 at 4% or $63,152 at 6%; with 100% employer match about $71,046 at 4% or $47,364 at 6%. |
| Spinal Diagnostics & Treatment Center LLC, 401(K) Profit Sharing Plan | - | 36 | $2,187,566 | $204,612 | $5,684iApproximate average salary by contribution assumption: employee only about $142,092 at 4% or $94,728 at 6%; with 50% employer match about $94,728 at 4% or $63,152 at 6%; with 100% employer match about $71,046 at 4% or $47,364 at 6%. |
| 2009 | 1 | 37 | $1,876,360 | $198,592 | $5,367iApproximate average salary by contribution assumption: employee only about $134,184 at 4% or $89,456 at 6%; with 50% employer match about $89,456 at 4% or $59,637 at 6%; with 100% employer match about $67,092 at 4% or $44,728 at 6%. |
| Spinal Diagnostics & Treatment Center LLC, 401(K) Profit Sharing Plan | - | 37 | $1,876,360 | $198,592 | $5,367iApproximate average salary by contribution assumption: employee only about $134,184 at 4% or $89,456 at 6%; with 50% employer match about $89,456 at 4% or $59,637 at 6%; with 100% employer match about $67,092 at 4% or $44,728 at 6%. |
| 2008 | 1 | 33 | $1,526,617 | $233,373 | $7,072iApproximate average salary by contribution assumption: employee only about $176,798 at 4% or $117,865 at 6%; with 50% employer match about $117,865 at 4% or $78,577 at 6%; with 100% employer match about $88,399 at 4% or $58,933 at 6%. |
| Spinal Diagnostics & Treatment Center LLC, 401(K) Profit Sharing Plan | - | 33 | $1,526,617 | $233,373 | $7,072iApproximate average salary by contribution assumption: employee only about $176,798 at 4% or $117,865 at 6%; with 50% employer match about $117,865 at 4% or $78,577 at 6%; with 100% employer match about $88,399 at 4% or $58,933 at 6%. |
| 2007 | 1 | 33 | $0 | $0 | - |
| Spinal Diagnostics & Treatment Center LLC, 401(K) Profit Sharing Plan | - | 33 | - | - | - |
| 2006 | 1 | 29 | $1,462,249 | $236,575 | $8,158iApproximate average salary by contribution assumption: employee only about $203,944 at 4% or $135,963 at 6%; with 50% employer match about $135,963 at 4% or $90,642 at 6%; with 100% employer match about $101,972 at 4% or $67,981 at 6%. |
| Spinal Diagnostics & Treatment Center LLC, 401(K) Profit Sharing Plan | - | 29 | $1,462,249 | $236,575 | $8,158iApproximate average salary by contribution assumption: employee only about $203,944 at 4% or $135,963 at 6%; with 50% employer match about $135,963 at 4% or $90,642 at 6%; with 100% employer match about $101,972 at 4% or $67,981 at 6%. |
| 2005 | 1 | 29 | $1,106,941 | $193,514 | $6,673iApproximate average salary by contribution assumption: employee only about $166,822 at 4% or $111,215 at 6%; with 50% employer match about $111,215 at 4% or $74,143 at 6%; with 100% employer match about $83,411 at 4% or $55,607 at 6%. |
| Spinal Diagnostics & Treatment Center LLC, 401(K) Profit Sharing Plan | - | 29 | $1,106,941 | $193,514 | $6,673iApproximate average salary by contribution assumption: employee only about $166,822 at 4% or $111,215 at 6%; with 50% employer match about $111,215 at 4% or $74,143 at 6%; with 100% employer match about $83,411 at 4% or $55,607 at 6%. |
| 2004 | 1 | 28 | $882,392 | $220,281 | $7,867iApproximate average salary by contribution assumption: employee only about $196,679 at 4% or $131,120 at 6%; with 50% employer match about $131,120 at 4% or $87,413 at 6%; with 100% employer match about $98,340 at 4% or $65,560 at 6%. |
| Spinal Diagnostics & Treatment Center LLC, 401(K) Profit Sharing Plan | - | 28 | $882,392 | $220,281 | $7,867iApproximate average salary by contribution assumption: employee only about $196,679 at 4% or $131,120 at 6%; with 50% employer match about $131,120 at 4% or $87,413 at 6%; with 100% employer match about $98,340 at 4% or $65,560 at 6%. |
| 2003 | 1 | 31 | $632,181 | $211,787 | $6,832iApproximate average salary by contribution assumption: employee only about $170,796 at 4% or $113,864 at 6%; with 50% employer match about $113,864 at 4% or $75,909 at 6%; with 100% employer match about $85,398 at 4% or $56,932 at 6%. |
| Spinal Diagnostics & Treatment Center LLC, 401(K) Profit Sharing Plan | - | 31 | $632,181 | $211,787 | $6,832iApproximate average salary by contribution assumption: employee only about $170,796 at 4% or $113,864 at 6%; with 50% employer match about $113,864 at 4% or $75,909 at 6%; with 100% employer match about $85,398 at 4% or $56,932 at 6%. |
| 2002 | 1 | 26 | $365,446 | $191,302 | $7,358iApproximate average salary by contribution assumption: employee only about $183,944 at 4% or $122,629 at 6%; with 50% employer match about $122,629 at 4% or $81,753 at 6%; with 100% employer match about $91,972 at 4% or $61,315 at 6%. |
| Spinal Diagnostics & Treatment Center LLC, 401(K) Profit Sharing Plan | - | 26 | $365,446 | $191,302 | $7,358iApproximate average salary by contribution assumption: employee only about $183,944 at 4% or $122,629 at 6%; with 50% employer match about $122,629 at 4% or $81,753 at 6%; with 100% employer match about $91,972 at 4% or $61,315 at 6%. |
| 2001 | 1 | 24 | $0 | $0 | - |
| Spinal Diagnostics & Treatment Center LLC, 401(K) Profit Sharing Plan | - | 24 | - | - | - |