NEVVI Medicare utilization intelligence

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A4 OF OHIO LLC

PAC 3971837188 Physician group
ANESTHESIOLOGY · MAUMEE, OH · hospital-affiliated
Specialty ANESTHESIOLOGY — most common member specialty (multi-specialty groups carry one label; see Methods)
Footprint Registered in MAUMEE, OH · bills Medicare in 1 state (OH)
Scale 33 providers on the CMS registry roster · 22 codes billed (five-year data window) · 1,578 services (all billed codes, CY2024)
Medicare paid $86K · across all billed codes, CY2024, attributed & disclosed
Affiliation Hospital-affiliated — at least one member holds a hospital affiliation in the CMS registry
Contact (419) 893-5911 — 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 13Advanced-practice 13Other clinicians 0= 26 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 26 are the clinicians who billed in CY2024 — a subset of the all-time registry roster shown on the group's identity card.

Billed 10 of the group's 22 codes this year, across 1 state (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)
1376529685 Hill, Crystal MD Anesthesiology ToledoOH
1891403291 Hill, Kevin AA Anesthesiology Assistant ToledoOH
1164082558 Errickson, Kera AA Anesthesiology Assistant ToledoOH
1710092259 Hamad, Rudolph CAA Anesthesiology Assistant MaumeeOH
1457343816 Abdul-Aziz, Tammam · member of 2 groups MD Anesthesiology SaginawMI
1518536291 Brewer, Shawn · member of 3 groups CAA Anesthesiology Assistant ToledoOH
1215977400 Cahill, Timothy · member of 2 groups M.D. Anesthesiology Ann ArborMI
1336339035 Chaffin, Gloria · member of 2 groups Anesthesiology Assistant MariettaGA
1457399719 Coffman, Traci · member of 2 groups MD Anesthesiology ToledoOH
1598760209 Gehan, Beth · member of 2 groups MD Anesthesiology YpsilantiMI
1649357443 Johnston, Maria · member of 2 groups DNAP, CRNA Certified Registered Nurse Anesthetist (CRNA) WayneMI
1710497300 Kablaoui, Nour · member of 2 groups AA Anesthesiology Assistant ToledoOH
1326095506 Klimek, Kevin · member of 2 groups M.D. Anesthesiology Ann ArborMI
1649690181 Larsen, Elizabeth · member of 2 groups MD Anesthesiology ToledoOH
1083012645 Linn, Kelli · member of 2 groups Certified Registered Nurse Anesthetist (CRNA) YoungstownOH
1396108510 Mierzwa, Joseph · member of 2 groups D.O. Anesthesiology YpsilantiMI
1366480683 Negele, Judy · member of 2 groups M.D. Anesthesiology Ann ArborMI
1871892364 Pirooz, Ryan · member of 2 groups M.D. Anesthesiology LivoniaMI
1477674331 Reading, Kellie · member of 5 groups MD Anesthesiology YpsilantiMI
1851359921 Ruley, Angella · member of 2 groups CRNA, NP-C Certified Registered Nurse Anesthetist (CRNA) DetroitMI
1568919926 Talley, John · member of 2 groups CAA Anesthesiology Assistant ToledoOH
1770597056 Theiss, Jeremy · member of 2 groups M.D. Anesthesiology Ann ArborMI
1366952095 Tighe, Ryan · member of 2 groups Anesthesiology Assistant Fort WayneIN
1497003834 Vaez, Amir · member of 2 groups CAA Anesthesiology Assistant ToledoOH
1881125367 Worden, Ian · member of 2 groups MD Anesthesiology YpsilantiMI
1942228408 Yap, Jose · member of 3 groups AA Anesthesiology Assistant MaumeeOH

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.