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Advanced Radiology Services (ARS)

Physician-owned2-year partnership trackIR available
Radiologists
214
Work setting
onsite
Call model
internal
TC ownership
No
Partnership track
2-year track
Vacation
13 weeks
Geography
Michigan (statewide)

Employment

Private practice model — wRVU + shareholder distribution. Standard schedule (post-shareholder): 39 weeks work / 11 weekends / 13 weeks vacation annually. Alternate tracks available: 7-on/7-off or 7-on/14-off, or 0.75 and 0.5 FTE status. IR shareholders (effective Jan 1, 2026): 130 weekday shifts/year base + 11 weekends + 2–3 call shifts/month; ~$115K additional on top of base. Maximum 401K company contribution ($72K in 2026) regardless of personal contribution. Fully funded 401K (employer pays max) + zero out-of-pocket medical/dental + paid parental leave. 214 radiologists + 38 APPs. STARS MSO (180+ admin staff) handles revenue cycle/IT.

Hospital Partners

Spectrum Health / Corewell Health hospitals (multiple)PC exclusivePrimary
Borgess Medical Center / Ascension hospitalsPC
Sparrow Hospital / Michigan Medicine hospitalsPC

History

Founded 1997 via merger of two Grand Rapids hospital-based practices. Grown through Michigan-wide acquisitions: Kalamazoo Radiology 2003, Grand Valley Radiology 2005, Ingham Radiology 2008, Spartan Radiology expansion 2020, Covenant Healthcare 2022, others. Covers 28–30 hospitals and 9–10 health systems. ACGME-accredited radiology residency and integrated IR residency. MSU COM academic affiliation. STARS MSO subsidiary provides admin/billing. UPDATE (2025): • Nov 2025: ARS joined Covera Health National Quality Care Program. • ACR career center profile (most recent): 214 radiologists + 38 APPs across 60+ sites statewide. • SR member profile (older) cites "180 subspecialty radiologists" — this is likely a 2022 figure from when ARS joined SR. • STARS MSO subsidiary (wholly owned, 180+ admin employees) handles revenue cycle, IT, and operations. • Academic affiliation: ARS runs ACGME-certified radiology residency at Spectrum Health/Corewell Health Grand Rapids (founded in 1980s; first integrated IR residency matched 2021). EMPLOYMENT MODEL DETAIL (from IndependentRadiology.com Jan 2026): • Standard schedule for shareholders: 39 weeks work, 11 weekends, 13 weeks vacation. • 1 or 2-year shareholder track depending on experience. • IR shareholder schedule update (effective Jan 1, 2026): 130 weekday shifts/year + 11 weekends + 2–3 call shifts/month. Additional compensation for weekend/call: ~$115K on top of base + incentive programs. • Max 401K company contribution: $72,000 in 2026 (one of highest in private practice radiology). • Zero out-of-pocket for medical/dental. Paid parental leave. Fully funded retirement. • Alternate tracks: 7/7, 7/14, 0.75 FTE, 0.5 FTE. • Grand Rapids named #1 city on LinkedIn "Cities on the Rise" (Jul 2025). Beer City USA, affordable, Lake Michigan 60 min. New 12,000-seat amphitheater (Acrisure) opening mid-2026.

Technical Component

No owned imaging centers confirmed. Pure PC professional services covering 20 hospitals, 2 Level 1 trauma centers, 3 breast centers, 60+ sites across Michigan.

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Last verified: 2026-05-31 · Data confidence: medium