NEVVI Medicare utilization intelligence

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GASTROINTESTINAL SPECIALISTS FOUNDATION, INC.

PAC 9830334010 Provider group
GASTROENTEROLOGY · MEMPHIS, TN · hospital-affiliated
Specialty GASTROENTEROLOGY — most common member specialty (multi-specialty groups carry one label; see Methods)
Footprint Registered in MEMPHIS, TN · bills Medicare in 1 state (TN)
Scale 17 providers on the CMS registry roster · 34 codes billed (five-year data window) · 6,506 services (all billed codes, CY2024)
Medicare paid $407K · across all billed codes, CY2024, attributed & disclosed
Affiliation Hospital-affiliated — at least one member holds a hospital affiliation in the CMS registry
Contact (901) 761-3900 — 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 7Advanced-practice 8Other clinicians 0= 15 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 15 are the clinicians who billed in CY2024 — a subset of the all-time registry roster shown on the group's identity card.

Billed 27 of the group's 34 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)
1538334800 Kistangari, Gaurav M.D Gastroenterology MemphisTN
1538383765 Thompson, Andre MD Pathology MemphisTN
1659558260 Friedman, Edward MD Gastroenterology MemphisTN
1134233729 Flowers, William CRNA Certified Registered Nurse Anesthetist (CRNA) MemphisTN
1639816648 Reeves, Nicholas NP Nurse Practitioner MemphisTN
1457831794 Pulliam, Angela NP Nurse Practitioner MemphisTN
1558871814 Griffy, Ballina NP-C Nurse Practitioner MemphisTN
1588831721 Al-Rashdan, Abdullah · member of 2 groups M.D. Gastroenterology MemphisTN
1144245234 Bierman, Paul · member of 3 groups MD Gastroenterology HarveyIL
1558528174 Feltman, Joseph · member of 3 groups CRNA Certified Registered Nurse Anesthetist (CRNA) MemphisTN
1285659383 Fields, Kenneth · member of 2 groups MD Gastroenterology MemphisTN
1427521053 Knight, Charlotte · member of 2 groups APRN Nurse Practitioner GermantownTN
1831411396 Sims, Michael · member of 3 groups CRNA Certified Registered Nurse Anesthetist (CRNA) MemphisTN
1790999753 Smith, Randelon · member of 2 groups MD Gastroenterology MemphisTN
1578794483 Stuart, Walter · member of 2 groups CRNA Certified Registered Nurse Anesthetist (CRNA) MemphisTN

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.