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DORF, ROBERTD.O. NPI 1447320080 Clinician

Family Practice · LONDONDERRY, NH

Specialty Family Practice — from billed Medicare claims
Trained Notify me at launch →
In practice Notify me at launch →
Location Notify me at launch →
Active in data Billed Medicare 2020–2024 (5 consecutive years)
Scale 29 codes billed · 1,886 disclosed volume (CY2024 — most recent year in data)
Current groups
Hospital affiliations
  • ELLIOT HOSPITAL · Hospital · CCN 300012
  • PARKLAND MEDICAL CENTER · Hospital · CCN 300017
  • SOUTHERN NH MEDICAL CENTER · Hospital · CCN 300020
  • ST JOSEPH HOSPITAL · Hospital · CCN 300011
registry affiliations from the CMS Doctors & Clinicians facility file — an administrative affiliation, not a statement about where care is delivered

Group affiliation since 2019

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Membership spans across every group on this clinician's 2019+ registry record, departed groups included. 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 2023-09
Data year CY2024 CY2023 CY2022  CY2021  CY2020 

Provider overview · all codes · CY2024

The full analytics for this provider

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The full billed-volume analytics for this provider — its position among specialty peers, practice focus, and the payments behind it — computed from the same disclosed Medicare Part B data.

This provider's disclosed submitted charges across all codes were in CY2024. Included with Platform.

  • Charge, 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
  • 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 Volume Beneficiary-episodes Avg charge Avg Medicare payment
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's
99213 Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
83036 Hemoglobin a1c level
85610 Blood test, clotting time
G0444 Annual depression screening, 5 to 15 minutes
87804 Detection test by immunoassay with direct visual observation for influenza virus
81003 Automated urinalysis test
87811 Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19)
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
G0008 Administration of influenza virus vaccine
90662 Influenza vaccine split virus, preservative free
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
82962 Blood glucose (sugar) test performed by hand-held instrument
90480 Admn sarscov2 vacc 1 dose
91320 Sarscv2 vac 30mcg trs-suc im
96372 Injection of drug or substance under skin or into muscle
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use
G0009 Administration of pneumococcal vaccine
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report
71046 X-ray of chest, 2 views
87430 Detection test by immunoassay technique for streptococcus, group a (strep)

Showing the top 25 of 29 procedures this clinician billed. The full list is part of the premium platform. Notify me at launch →

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.