Diligence memo · auto-generated · as of July 3, 2026
Maryland Proton Treatment Holdings, LLC
Maryland Proton Treatment Holdings, LLC looks over-valued against its niche peers and is dormant on financing cadence.
Businessfiled
Maryland Proton Treatment Holdings, LLC operates in Hospitals and Physicians, based in SAN DIEGO.
No verified homepage on file yet — operating evidence is limited to the public record.
Capital & rounds (filed)filed
Maryland Proton Treatment Holdings, LLC has raised $35M in disclosed capital across 3 recorded rounds, aggregated from public filings. Its latest round is modeled as Series B (a $15M–$40M round).
Largest single filing: $33M on 2010-10-29.
Most recent recorded round closed around 2010-10-29.
Valuation (modeled)modeled
Provath models Maryland Proton Treatment Holdings, LLC at approximately $677M (range $81M–$2.6B). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.
Read: Over-valued. Modeled value is 1.52× the median modeled value of Series B Hospitals and Physicians companies in 2010–2012 (9 peers) — value vs value, same stage and era.
Financing rhythm & timingmixed
Last raise 15.7 yr ago; this sector typically re-raises about every 12 months.
Silent for over 3× the sector's normal cadence.
The last round was 3.0× smaller than the prior — a bridge or down round.
Comparablesmixed
Capital scale ranks ahead of 92% of Hospitals and Physicians peers (599 compared).
Modeled value ranks above 96% of those peers.
Closest niche peers: Emerus Holdings, Inc., Georgia Proton Treatment Center, LLC, U.S. Renal Care Inc, Emergency Medicine Physicians, LLC, Forest Park Medical Center at Frisco, LLC.
Peoplefiled
5 named people on file across officers, directors and signatories.
Risks & flagsmixed
Financing has been silent well beyond sector cadence — possibly defunct, acquired, or paused.
Modeled above niche peers — valuation risk on entry.
No clearly named CEO/founder/principal in the surfaced records — key-person evidence is thin.