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PURVIANCE, JOHNM.D. NPI 1437279692 Clinician

Radiation Oncology · CASPER, WY

Specialty Radiation Oncology — from billed Medicare claims
Trained TUFTS UNIVERSITY SCHOOL OF MEDICINE — medical school, self-reported to CMS
In practice about 24 years since medical school (class of 2002, self-reported to CMS)
Location CASPER, WY · NPPES registered location
Active in data Billed Medicare 2020–2024 (5 consecutive years)
Scale 43 codes billed · 29,229 disclosed services (CY2024 — most recent year in data)
Current groups

Group affiliation since 2019

20192026
ROCKY MOUNTAIN ONCOLOGY CENTER LLC
2019–2026

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 2016-03

Year: 2024 · 2023 · 2022  · 2021  · 2020 

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 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 Beneficiary-episodes Avg charge Avg Medicare payment
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml
77014 Ct guidance for insertion of radiation therapy fields
77300 Calculation of radiation therapy dose
G6015 Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session
78815 Nuclear medicine study from skull base to mid-thigh with ct scan
G6002 Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy
77427 Radiation treatment management, 5 treatment sessions
A9596 Gallium ga-68 gozetotide, diagnostic, (illuccix), 1 millicurie
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
A9552 Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries
77338 Design and construction of radiation treatment device for high precision radiation therapy
77301 High precision radiation therapy planning
77336 Continuing radiation therapy consultation per week
77334 Design and construction of complex radiation treatment device
36415 Insertion of needle into vein for collection of blood sample
G6013 Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 11-19 mev
77470 Special radiation treatment
84153 Psa (prostate specific antigen) measurement, total
77263 Complex radiation therapy planning
G6012 Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10 mev
77373 Cranial lesion surgery using radiation over multiple sessions
71260 Ct scan of chest with contrast
77290 Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved
77280 Obtaining data needed to develop the optimal radiation treatment, 1 treatment area
80053 Blood test, comprehensive group of blood chemicals
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more
74177 Ct scan of abdomen and pelvis with contrast
71250 Ct scan of chest without contrast
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test
77295 3d radiation therapy planning
78816 Nuclear medicine study whole body with ct scan
77318 Complex radiation therapy planning for delivery of internal radiation
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count
70491 Ct scan of soft tissue of neck with contrast
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
77332 Design and construction of simple radiation treatment device
84443 Blood test, thyroid stimulating hormone (tsh)
77293 Obtaining respiratory data needed to develop the optimal radiation treatment
77435 Management of cranial lesion surgery using radiation over multiple sessions
77778 Complex application of radiation source
74176 Ct scan of abdomen and pelvis without contrast
96372 Injection of drug or substance under skin or into muscle
86300 Immunologic analysis for detection of tumor antigen, quantitative; ca 15-3

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.