NEVVI Medicare utilization intelligence

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ZWICK, CHRISTIANDO NPI 1801869060 Clinician

General Surgery · QUINCY, IL

Specialty General Surgery — from billed Medicare claims
Trained AT STILL UNIVERSITY OF HEALTH SCIENCES, COLLEGE OF OSTEO MED, KIRKSVILLE — medical school, self-reported to CMS
In practice about 39 years since medical school (class of 1987, self-reported to CMS)
Location QUINCY, IL · NPPES registered location
Active in data Billed Medicare 2020–2024 (5 consecutive years)
Scale 13 codes billed · 805 disclosed services (CY2024 — most recent year in data)
Current groups
member of 2 groups; the volumes below are this clinician's personal volume and are not attributed to any single group

Group affiliation since 2019

20192026
2022–2026

The roster archive begins in 2019, so a span starting at 2019 may reach back further. Membership spans only — no volume is attributed to any group here.

NPPES registry · CMS Doctors & Clinicians registry · Medicare Part B physician/supplier claims · NPPES record last updated 2008-11

Year: 2024 · 2023 · 2022 locked column · 2021 locked column · 2020 locked column

Provider overview · all codes · CY2024

The full analytics for this provider

Premium

The billed-volume positioning, practice focus, and economics behind this provider — computed on the same disclosed Medicare Part B data.

This provider's disclosed Medicare payments across all codes were premium in CY2024. Included with Platform.

  • Payment, service & beneficiary totals — the disclosed scale, all codes
  • Practice profile — focus & reach — top codes by share of services
  • Office vs. facility setting mix — place-of-service code split
  • Volume over five years — discrete yearly counts, no rate
  • Peer positioning — service volume — percentile among specialty peers, cohort & year disclosed
  • Peer positioning — code breadth — how many codes billed, vs peers

Peer positioning shows billed-volume and code-breadth positions among specialty peers, not measures of care (a provider's true volume position can only be higher, never lower). All figures disclosed Medicare Part B fee-for-service; volumes are personal to this NPI, not attributed to any group.

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Procedures billed to Medicare Part B (2024)

Medicare Part B FFS · CY2024 · as published by CMS
CodeDescription Services locked column Beneficiary-episodes locked column Avg charge locked column Avg Medicare payment locked column
93880 Ultrasound of both sides of head and neck blood flow premiumpremium premiumpremium
99213 Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more premiumpremium premiumpremium
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more premiumpremium premiumpremium
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more premiumpremium premiumpremium
93922 Ultrasound study of arm and leg arteries premiumpremium premiumpremium
99202 New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more premiumpremium premiumpremium
36561 Insertion of central venous tube with port (5 years or older) premiumpremium premiumpremium
76937 Ultrasonic guidance for blood vessel access premiumpremium premiumpremium
77001 Fluoroscopic guidance for insertion or removal of central vein access device premiumpremium premiumpremium
38525 Biopsy or removal of deep lymph nodes of underarm premiumpremium premiumpremium
14301 Repair of wound by transferring skin, 30.1-60.0 sq cm premiumpremium premiumpremium
19301 Partial removal of breast premiumpremium premiumpremium
47562 Removal of gallbladder using an endoscope premiumpremium premiumpremium

These are this provider's own Medicare Part B fee-for-service volumes (CMS public data). CMS suppresses rows with fewer than 11 beneficiaries, so low-volume codes may be missing entirely — absence is not zero. Beneficiary-episodes count CMS's per-setting beneficiary figures, not unique patients. Average charge and average Medicare payment are weighted by service volume across office and facility settings. Volumes on this page are personal to the NPI and are not attributed to any physician group. See Methods & Sources.