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ORTHOPAEDIC SURGICAL ASSOCIATES OF LOWELL, P.C.

PAC 4880506484 Provider group
ORTHOPEDIC SURGERY · NORTH CHELMSFORD, MA · hospital-affiliated
Specialty ORTHOPEDIC SURGERY — most common member specialty (multi-specialty groups carry one label; see Methods)
Footprint Registered in NORTH CHELMSFORD, MA · bills Medicare in 3 states (CO, MA, OH)
Scale 43 providers on the CMS registry roster · 167 codes billed (five-year data window) · 185,000 services (all billed codes, CY2024)
Medicare paid $3.3M · across all billed codes, CY2024, attributed & disclosed
Affiliation Hospital-affiliated — at least one member holds a hospital affiliation in the CMS registry
Contact (978) 454-0706 — CMS registry listing
CMS Doctors & Clinicians registry · Medicare Part B physician/supplier claims · figures are attributed (single-group clinicians) and disclosed fee-for-service — a subset, never complete totals · group series shown over the most recent 5 years (rosters archived from 2019)
Group analytics

Who's billing in this group, plus the paid volume analytics · CY2024

Clinician makeup · CY2024
Physicians 24Advanced-practice 9Other clinicians 9= 42 clinicians billed · CY2024
By clinician headcount, CY2024. 'Physician' follows Medicare's §1861(r) definition (MD/DO, podiatry, optometry, dental medicine, chiropractic); facility and supplier enrollments are not counted as clinicians. These 42 are the clinicians who billed in CY2024 — a subset of the all-time registry roster shown on the group's identity card.

Billed 113 of the group's 167 codes this year, across 2 states (CY2024).

The full analytics for this group

Premium

The billed-volume rank, trajectory, and economics behind this group — computed on the same disclosed Medicare Part B data.

What Medicare paid this group in CY2024 is on the group's identity card — free, on every tier. Premium breaks that figure down per code and per service, and puts the volume behind it in national and peer context.

  • Per-code payment breakdown & avg $/service — dollars behind the volume
  • Beneficiary-episode volume — reach, not just service counts
  • Office vs. facility setting mix — place-of-service code split
  • National billed-volume rank — percentile, cohort & year disclosed
  • Size-peer billed-volume benchmark — vs. groups of similar size
  • Top-3 clinician share — how volume distributes
  • 5-year volume trend — direction across the window
  • Business mix — largest codes by payment

Rank and benchmark figures are billed-volume positions among peers, not measures of care. All figures attributed (single-group clinicians) and disclosed Medicare Part B fee-for-service.

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Medicare Part B FFS · CY2024 · as published by CMS
Data year: CY2024 CY2023 CY2022  CY2021  CY2020 

Provider volumes, all codes · CY2024

NPIProviderCredentialsTypeCitySt Services (all codes)
1144290222 Bhat, Atul MD Physical Medicine and Rehabilitation North ChelmsfordMA
1669442737 Gerber, Samuel MD Orthopedic Surgery North ChelmsfordMA
1487626545 Wu, W MD Orthopedic Surgery North ChelmsfordMA
1063487114 Moses, Jeremy MD Orthopedic Surgery North ChelmsfordMA
1992775084 Sigman, Scott MD Orthopedic Surgery North ChelmsfordMA
1790128650 Disegna, Steven MD Orthopedic Surgery WorcesterMA
1104864495 Prybyla, David M.D. Orthopedic Surgery North ChelmsfordMA
1437129517 Holstein, Eric MD Orthopedic Surgery North ChelmsfordMA
1881664977 Lapp, Mark MD Orthopedic Surgery North ChelmsfordMA
1740250406 Alter, Steven MD Hand Surgery North ChelmsfordMA
1053400879 Kim, Allis M.D. Orthopedic Surgery MarlboroughMA
1023300670 Gennis, Elisabeth MD Orthopedic Surgery N ChelmsfordMA
1972681328 Telep, Christopher OTR/L, CHT Occupational Therapist in Private Practice PeabodyMA
1174551469 Mccarthy, Darin MSPT Physical Therapist in Private Practice LowellMA
1659844322 Macduff, Andrew PT, DPT Physical Therapist in Private Practice NewburyportMA
1154041291 Esker, Stephanie Physical Therapist in Private Practice LowellMA
1669567533 Compagnone, Erica P.T. Physical Therapist in Private Practice LowellMA
1083477517 Surette, Brendan Physical Therapist in Private Practice LowellMA
1033839170 Mahoney, Ryan Physical Therapist in Private Practice LowellMA
1558701185 Philipp, Danielle DPT Physical Therapist in Private Practice LowellMA
1093182875 Donovan, Courtney D.P.T. Physical Therapist in Private Practice LowellMA
1952890220 Fleck, Joseph DPM Podiatry North ChelmsfordMA
1326466525 Cary, Chris MD Emergency Medicine North ChelmsfordMA
1104310226 Herron, Thomas Orthopedic Surgery ClevelandOH
1457322828 Stott, June ARNP Nurse Practitioner North ChelmsfordMA
1679853170 Karl, Jessica NP Nurse Practitioner WorcesterMA
1992867873 Proverb, Kristen MSN RN NPC Nurse Practitioner LowellMA
1811464399 Beauchesne, Alexis NP-C Nurse Practitioner DracutMA
1326774563 Sergeant, Gregory PA-C Physician Assistant N ChelmsfordMA
1699117697 Devine, Allison PA-C, ATC Physician Assistant North ChelmsfordMA
1053835769 Murphy, Stacey Nurse Practitioner NorthboroughMA
1700485224 Mao, Roderick Physician Assistant GardnerMA
1598907271 Johnstone, Roula ACNP-BC Nurse Practitioner N ChelmsfordMA
1366437170 Artinian, Mihran · member of 4 groups MD Diagnostic Radiology BostonMA
1730400409 Falardeau, John · member of 4 groups M.D. Diagnostic Radiology SeattleWA
1205285558 Harrington, Ryan · member of 4 groups M.D. Diagnostic Radiology BostonMA
1124032271 Karshbaum, Stephen · member of 6 groups MD Diagnostic Radiology PeabodyMA
1306831128 Maddox, Owen · member of 4 groups MD Diagnostic Radiology Roxbury CrossingMA
1871517128 Madoff, Samuel · member of 4 groups MD Diagnostic Radiology Roxbury CrossingMA
1558356378 Newman, Joel · member of 4 groups MD Diagnostic Radiology Roxbury CrossingMA
1164417994 Spitz, Damon · member of 4 groups MD Diagnostic Radiology Roxbury CrossingMA
1528487394 Thomas, Aaron · member of 4 groups Diagnostic Radiology BostonMA

Volumes are attributed to a group only for clinicians affiliated with exactly one group. Clinicians in several groups are listed ("member of N groups") but shown as "—" — their volume is not attributed to any single group. A "—" on a single-group clinician means CMS suppressed the figure (fewer than 11 beneficiaries), never zero. Beneficiary-episodes count CMS's per-setting beneficiary figures, not unique patients. Average Medicare payment is the amount Medicare actually paid per service, weighted by service volume across office and facility settings. Where the roster is a single clinician, that clinician's service counts match the group's attributed volume shown on the ranked results, so they are shown here; the per-provider split across a larger roster is a premium feature. See Methods & Sources.