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KASS, ELIZABETHM.D. NPI 1710906169 Clinician

Internal Medicine · BOSTON, MA

Specialty Internal Medicine — from billed Medicare claims
Trained UNIVERSITY OF MASSACHUSETTS MEDICAL SCHOOL — medical school, self-reported to CMS
In practice about 41 years since medical school (class of 1985, self-reported to CMS)
Location BOSTON, MA · NPPES registered location
Active in data Billed Medicare 2021–2024 (4 consecutive years)
Scale 35 codes billed · 2,103 disclosed volume (CY2024 — most recent year in data)
Current groups
Hospital affiliations
  • Home health agency — CCN 227068
  • Home health agency — CCN 227207
  • Home health agency — CCN 227269
  • Hospital — CCN 220086
  • Hospital — CCN 220088
  • Hospital — CCN 220108
  • Hospital — CCN 220110
  • Hospital — CCN 220119
  • Long-term care hospital — CCN 222007
registry affiliations from the CMS Doctors & Clinicians facility file — an administrative affiliation, not a statement about where care is delivered

Group affiliation since 2019

20192026
ATRIUS HEALTH INC
2023–2026
FENWAY COMMUNITY HEALTH CENTER, INC
2021–2022
FENWAY COMMUNITY HEALTH CENTER, INC
2019

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 2012-01
Data year CY2024 CY2023 CY2022  CY2021 

Provider overview · all codes · CY2024

The full analytics for this provider

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The billed-volume positioning, practice focus, and economics behind this provider — computed on 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
36415 Insertion of needle into vein for collection of blood sample
80061 Blood test, lipids (cholesterol and triglycerides)
80048 Blood test, basic group of blood chemicals (calcium, total)
83036 Hemoglobin a1c level
84443 Blood test, thyroid stimulating hormone (tsh)
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count
90480 Admn sarscov2 vacc 1 dose
91320 Sarscv2 vac 30mcg trs-suc im
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
82607 Cyanocobalamin (vitamin b-12) level
80053 Blood test, comprehensive group of blood chemicals
82306 Vitamin d-3 level
99213 Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use
G0009 Administration of pneumococcal vaccine
82570 Creatinine level to test for kidney function or muscle injury
G0008 Administration of influenza virus vaccine
90653 Influenza vaccine, inactivated
83735 Magnesium level
82043 Urine microalbumin (protein) level
86140 Measurement c-reactive protein for detection of infection or inflammation
83970 Parathormone (parathyroid hormone) level
87536 Detection test by nucleic acid for hiv-1 virus, quantification

Showing the top 25 of 35 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.