NEVVI Medicare utilization intelligence

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GREENBRIER EMERGENCY SERVICES, INC.

PAC 2668377359 Provider group
EMERGENCY MEDICINE · NORTH LITTLE ROCK, AR · hospital-affiliated
Specialty EMERGENCY MEDICINE — most common member specialty (multi-specialty groups carry one label; see Methods)
Footprint Registered in NORTH LITTLE ROCK, AR · bills Medicare in 4 states (AR, NH, TX, WV)
Scale 52 providers on the CMS registry roster · 9 codes billed (five-year data window) · 6,941 services (all billed codes, CY2024)
Medicare paid $698K · across all billed codes, CY2024, attributed & disclosed
Affiliation Hospital-affiliated — at least one member holds a hospital affiliation in the CMS registry
Contact (501) 202-3000 — 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 30Advanced-practice 17Other clinicians 0= 47 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 47 are the clinicians who billed in CY2024 — a subset of the all-time registry roster shown on the group's identity card.

Billed 6 of the group's 9 codes this year, across 4 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

Provider volumes, all codes · CY2024

NPIProviderCredentialsTypeCitySt Services (all codes) locked column
1982624748 Wall, Chris M.D. Family Practice North Little RockAR premium
1073612883 Bacon, Lori M.D. Emergency Medicine North Little RockAR premium
1912469362 Simon, Emily Family Practice JonesboroAR premium
1376695098 Fontenette, Angelique M.D. Emergency Medicine Pine BluffAR premium
1477692630 Carter-Wyatt, Sherri MD Emergency Medicine North Little RockAR premium
1548827645 Hong, Chan DO Emergency Medicine WeirtonWV premium
1578124459 Hughart, Jillian DO Emergency Medicine WheelingWV premium
1629511993 Niemann, Amy APRN Nurse Practitioner Little RockAR premium
1023026366 Darr, James M.D. Emergency Medicine North Little RockAR premium
1881878064 Graham, Marie APN Nurse Practitioner No Little RockAR premium
1235105065 Bush, Martha MD Emergency Medicine BedfordTX premium
1184203648 Patel, Anjali MD Emergency Medicine Little RockAR premium
1760878912 Johnson, Sarah MD Emergency Medicine ManchesterNH premium
1043076722 Snuffer, Matthew FNP-BC Nurse Practitioner PrincetonWV premium
1154816098 Brister, Matthew Nurse Practitioner ConwayAR premium
1447260807 Swindle, David M.D. Emergency Medicine BentonAR premium
1316694466 Vinacco, Kimberly APRN-CNP Nurse Practitioner ConwayAR premium
1215131123 Lane, Timothy DO Emergency Medicine WeirtonWV premium
1306475470 Amidi, Amir · member of 2 groups MD Pain Management Fort SmithAR premium
1437260106 Arnold, James · member of 2 groups M.D. Emergency Medicine Hot SpringsAR premium
1023579166 Askew, Joseph · member of 2 groups MD Emergency Medicine Little RockAR premium
1841733300 Bates, Andrew · member of 2 groups APN Nurse Practitioner Little RockAR premium
1730605213 Begley, Rhonda · member of 2 groups APRN Nurse Practitioner ConwayAR premium
1487913570 Beight, Cody · member of 2 groups M.D., M.S. General Practice Little RockAR premium
1467629790 Bowen, Travis · member of 3 groups M.D. Emergency Medicine SpringdaleAR premium
1114923166 Brown, Keith · member of 2 groups M.D. Emergency Medicine Hot SpringsAR premium
1215331996 Cox, Kirsten · member of 2 groups ARNP, CNP Nurse Practitioner Hot SpringsAR premium
1821435439 Deaver, Jeffrey · member of 2 groups MD Emergency Medicine SearcyAR premium
1366088775 Garner, Penny · member of 2 groups APRN Nurse Practitioner HarrisonAR premium
1528459799 Grantham, Myra · member of 2 groups NP Nurse Practitioner ConwayAR premium
1538746441 Guastella, Rosario · member of 2 groups MD Emergency Medicine MonticelloAR premium
1407380082 Hargis, Alexander · member of 3 groups M.D. Family Practice Pine BluffAR premium
1215316831 Hawkins, Kenneth · member of 3 groups APRN Nurse Practitioner JacksonMI premium
1568571438 Jenkins, Brad · member of 2 groups MD Family Practice North Little RockAR premium
1962948075 Lay, Kaelyn · member of 2 groups MSN, APRN Nurse Practitioner North Little RockAR premium
1801268479 Miles, Christine · member of 2 groups APRN Nurse Practitioner Hot SpringsAR premium
1154568764 Miley, Kathryn · member of 7 groups DNP, FNP-BC, ENP-BC Nurse Practitioner GreensburgIN premium
1831547421 Moore, Myra · member of 6 groups DNP, APRN, FNP-C Nurse Practitioner BatesvilleAR premium
1467895581 Murchison, John · member of 2 groups D.O. Emergency Medicine CharlestonWV premium
1194968917 Nelson, Richard · member of 3 groups MD Emergency Medicine Little RockAR premium
1558781740 Onyenekwe, Josiah · member of 5 groups M.D Family Practice TexarkanaAR premium
1982056925 Pasman, Crystal · member of 2 groups DNP Nurse Practitioner Little RockAR premium
1083336382 Simon, Clay · member of 2 groups MSN-FNP Nurse Practitioner Little RockAR premium
1649664228 Singh, Jatinder · member of 5 groups M.D Emergency Medicine WheelingWV premium
1710171343 Smolarz, Casey · member of 2 groups M.D. Emergency Medicine Little RockAR premium
1801029657 Sullivan, Ryan · member of 3 groups D.O. Emergency Medicine Fort SmithAR premium
1588042246 Tennyson, Joshua · member of 2 groups Family Practice Pine BluffAR premium

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.