See where Anna S Seydel, M.D. ranks among 25 Surgical Oncology peers

The Physician Report shows Medicare work, payment, the comparison with similar practices and the trend across the data years.

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What the Physician Report contains

Show details13 known limitations

Included

  • Exact Medicare payment figures for each data year
  • Calculated Medicare fee-for-service work RVUs for each data year
  • Historical results for every data year with usable data
  • Peer comparisons: rank, percentile and rank band among the same specialty, the peer medians, and where the physician falls in the peer distribution
  • Beneficiaries, services, service mix and code-level lines
  • A printable report with the data years, methodology and limitations

Not included

  • Other physicians' figures and ranks
  • The market's cohort table, percentile table and market trend (the Market Comparison)
  • Peer comparison flags (professional subscription, not sold)

Known limitations

  • CMS suppresses code lines with fewer than 11 beneficiaries, so calculated work RVUs are a floor.
  • 2013: fewer than 20 peers in the metro, so ranks and percentiles use national peers (716).
  • 2014: fewer than 20 peers in the metro, so ranks and percentiles use national peers (762).
  • 2015: fewer than 20 peers in the metro, so ranks and percentiles use state peers (20).
  • 2016: fewer than 20 peers in the metro, so ranks and percentiles use state peers (24).
  • 2017: fewer than 20 peers in the metro, so ranks and percentiles use state peers (28).
  • 2018: fewer than 20 peers in the metro, so ranks and percentiles use state peers (28).
  • 2019: fewer than 20 peers in the metro, so ranks and percentiles use state peers (24).
  • 2020: fewer than 20 peers in the metro, so ranks and percentiles use state peers (25).
  • 2021: fewer than 20 peers in the metro, so ranks and percentiles use state peers (27).
  • 2022: fewer than 20 peers in the metro, so ranks and percentiles use state peers (25).
  • 2023: fewer than 20 peers in the metro, so ranks and percentiles use state peers (26).
  • 2024: fewer than 20 peers in the metro, so ranks and percentiles use state peers (25).

Available data

years in the data
12
peers in the 2024 peer group
25
a report can be prepared
Yes
Data by year12 of 12 published
Data yearIn the CMS fileUsable for a reportPeer group for ranks
2013YesYesnational peers, 716
2014YesYesnational peers, 762
2015YesYesstate peers, 20
2016YesYesstate peers, 24
2017YesYesstate peers, 28
2018YesYesstate peers, 28
2019YesYesstate peers, 24
2020YesYesstate peers, 25
2021YesYesstate peers, 27
2022YesYesstate peers, 25
2023YesYesstate peers, 26
2024YesYesstate peers, 25

Years Anna S Seydel, M.D. is in the CMS Medicare Physician & Other Practitioners files. Ranks use same-specialty peers in the first of the metro, the state and the nation with at least 20 peers. How ranks are computed · Limitations

Where Anna S Seydel, M.D. practices

Credentials
M.D.
Specialty on claims
Surgical Oncology
Practice location on Medicare claims
Marshfield, WIWisconsin Rapids-Marshfield, WI metroStreet address not shown unless the clinician turns it on.
Medicare participation
Participating (accepts assignment on all claims)
Years in the data
2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 (12 of 12 published)

Groups

Hospitals

Source: CMS Doctors and Clinicians files, snapshot 2026-10-02. May lag reality.

Practice location and specialty by year

Show details12 years

The practice location (Marshfield, WI) and specialty (Surgical Oncology) on the claims are the same in every year in the data.

Data yearPractice location on Medicare claimsAreaSpecialty on claims
2013Marshfield, WIWisconsin Rapids-Marshfield, WISurgical Oncology
2014Marshfield, WIWisconsin Rapids-Marshfield, WISurgical Oncology
2015Marshfield, WIWisconsin Rapids-Marshfield, WISurgical Oncology
2016Marshfield, WIWisconsin Rapids-Marshfield, WISurgical Oncology
2017Marshfield, WIWisconsin Rapids-Marshfield, WISurgical Oncology
2018Marshfield, WIWisconsin Rapids-Marshfield, WISurgical Oncology
2019Marshfield, WIWisconsin Rapids-Marshfield, WISurgical Oncology
2020Marshfield, WIWisconsin Rapids-Marshfield, WISurgical Oncology
2021Marshfield, WIWisconsin Rapids-Marshfield, WISurgical Oncology
2022Marshfield, WIWisconsin Rapids-Marshfield, WISurgical Oncology
2023Marshfield, WIWisconsin Rapids-Marshfield, WISurgical Oncology
2024Marshfield, WIWisconsin Rapids-Marshfield, WISurgical Oncology

From the provider fields of each year's CMS Medicare Physician & Other Practitioners file (the location and specialty on the claims, as CMS publishes them).

Peer group a report would use

Show details25 peers

For 2024, a Physician Report would place Anna S Seydel, M.D. in a peer group of 25 Surgical Oncology clinicians, Anna S Seydel, M.D. included, at the state level (Wisconsin).

Peers are clinicians with the same specialty on their claims, in the first of the metro area, the state and the nation that has enough of them. The sizes for every year are in the table under Available data.

Other Surgical Oncology clinicians in Marshfield

Show details2

Alphabetical by last name; all 2 whose practice location on Medicare claims is Marshfield in 2024. All Surgical Oncology clinicians in Marshfield

About this data

Show details

This page comes from public files the Centers for Medicare & Medicaid Services publishes each year: the Medicare Physician & Other Practitioners files, which list the Part B services each clinician billed to Original Medicare, and the Doctors and Clinicians files, which list group and hospital affiliations. It covers Original Medicare fee-for-service only: Medicare Advantage, Medicaid and commercial insurance are not in these files, and CMS leaves out any service line with fewer than 11 beneficiaries. The location and specialty are what the claims show, and affiliations are as of the snapshot date, so either can lag a recent change. A listing here says nothing about quality of care.

How the data is processed · Known limitations · Report an error

Physicians can claim their page for notices and a statement. Claiming does not show figures; those are in a Physician Report.

Original Medicare Part B fee-for-service only. Payments go to the billing entity, not to the clinician. Limitations · Methodology

Anna S Seydel, M.D., Surgical Oncology in Marshfield, WI | ClaimLight