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FUSSELMAN, WILLIAMMD NPI 1659356228 Clinician

Hematology-Oncology · CEDAR RAPIDS, IA

Specialty Hematology-Oncology — from billed Medicare claims
Trained UNIVERSITY OF IOWA, RJ & L CARVER COLLEGE OF MEDICINE — medical school, self-reported to CMS
In practice about 31 years since medical school (class of 1995, self-reported to CMS)
Location CEDAR RAPIDS, IA · NPPES registered location
Active in data Billed Medicare 2020–2024 (5 consecutive years)
Scale 60 codes billed · 71,127 disclosed services (CY2024 — most recent year in data)
Current groups

Group affiliation since 2019

20192026
PHYSICIANS CLINIC OF IOWA PC
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 2025-08

Year: 2024 · 2023 · 2022  · 2021  · 2020 

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 Medicare payments across all codes were in CY2024. Unlock to see the figure.

  • 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
J1439 Injection, ferric carboxymaltose, 1 mg
J1453 Injection, fosaprepitant, 1 mg
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml
J0897 Injection, denosumab, 1 mg
A9575 Injection, gadoterate meglumine, 0.1 ml
J1569 Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg
J1100 Injection, dexamethasone sodium phosphate, 1 mg
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count
J2469 Injection, palonosetron hcl, 25 mcg
80053 Blood test, comprehensive group of blood chemicals
36415 Insertion of needle into vein for collection of blood sample
J2405 Injection, ondansetron hydrochloride, per 1 mg
J0640 Injection, leucovorin calcium, per 50 mg
96375 Injection of additional new drug or substance into vein
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
82784 Gammaglobulin (immune system protein) measurement
J9190 Injection, fluorouracil, 500 mg
99213 Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
96413 Administration of chemotherapy into vein, 1 hour or less
83615 Lactate dehydrogenase (enzyme) level
83540 Iron level
83550 Iron binding capacity
82728 Ferritin (blood protein) level
96372 Injection of drug or substance under skin or into muscle
96415 Administration of chemotherapy into vein, each additional hour
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
J1200 Injection, diphenhydramine hcl, up to 50 mg
96367 Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less
J3489 Injection, zoledronic acid, 1 mg
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less
85046 Red blood count automated, with additional calculations
96417 Administration of additional new drug or substance into vein, 1 hour or less
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
82378 Carcinoembryonic antigen (cea) protein level
96366 Infusion into a vein for therapy, prevention, or diagnosis, each additional hour
84443 Blood test, thyroid stimulating hormone (tsh)
83735 Magnesium level
A9552 Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries
96368 Infusion into a vein for therapy, prevention, or diagnosis concurrent with another infusion
81001 Manual urinalysis test with examination using microscope, automated
J3490 Unclassified drugs
74177 Ct scan of abdomen and pelvis with contrast
82607 Cyanocobalamin (vitamin b-12) level
78815 Nuclear medicine study from skull base to mid-thigh with ct scan
71260 Ct scan of chest with contrast
G0498 Chemotherapy administration, intravenous infusion technique; initiation of infusion in the office/clinic setting using office/clinic pump/supplies, with continuation of the infusion in the community setting (e.g., home, domiciliary, rest home or assisted l
84100 Phosphate level
84153 Psa (prostate specific antigen) measurement, total
84439 Thyroxine (thyroid chemical), free
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
82306 Vitamin d-3 level
71250 Ct scan of chest without contrast
96374 Injection of drug or substance into vein
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more
38222 Biopsy and aspiration of bone marrow sample for diagnosis
78816 Nuclear medicine study whole body with ct scan
82746 Folic acid level, serum
90662 Influenza vaccine split virus, preservative free
G0008 Administration of influenza virus vaccine

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.