NPPES file of Aug 9, 2026

Eberhard A. Mack, MD

Surgery Physician · Marshfield, WI

Eberhard A. Mack, MD is a surgery physician with a practice address in Marshfield, Wisconsin, and NPI 1831154467, issued on Apr 18, 2006. Check the license (Wisconsin 20306, as entered in NPPES) on the Wisconsin Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1831154467
Name
Eberhard A. Mack
Credential
MD
Primary taxonomy
Surgery Physician 208600000X
License number
20306 WI
Self-reported in NPPES; status is on the state search
Practice location
1000 N Oak Ave, Marshfield, WI 54449
Phone
(715) 387-5511
Enumerated
Apr 18, 2006
Record last updated
Oct 19, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(608) 233-0026
Medicaid ID
31031600 WI
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest surgery physician records → All 726 in Wisconsin → Look up another NPI →

Also registered at 1000 N Oak Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sheetal Aatrai, MDInternal Medicine Physician1417568965
  2. Sukaina AbbasPediatrics Physician1407529191
  3. Chady Abboud Leon, M.D.Hematology & Oncology Physician1770737744
  4. Ihab Abdalrahman, MDHospitalist Physician1497855134
  5. Raquel Abengozar Mingorance, MDStudent in an Organized Health Care Education/Training Program1609437755
  6. Aanuoluwa Abiola, M.DGeriatric Medicine (Internal Medicine) Physician1598117574

Verify Eberhard A. Mack in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 20306    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Eberhard A. Mack among 726 surgery physician records in Wisconsin

Eberhard A. Mack, MD is one of 726 surgery physician records with a practice address in Wisconsin. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 12% of them.

  • NPI issued2006 · 12% of these records are older, 52% newer
  • In a Medicare fileNo · 72% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2012 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgery Physician providers in Wisconsin

There are 726 surgery physician records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 726 in Wisconsin → Every provider in Marshfield → Surgery Physician nationwide →

The 8 surgery physician records with the nearest ZIP codes

  1. Michael Caldwell, MDMarshfield, WI 544491184724858
  2. Stephanie Carr, DOMarshfield, WI 544491992159800
  3. Samariah Conway, MDMarshfield, WI 544491225667199
  4. Robert Kolts, MDMarshfield, WI 544491215031323
  5. Shameem Kunhammed, MDMarshfield, WI 544491306077284
  6. Charles McGill, MDMarshfield, WI 544491558465666
  7. Vijaya Nirujogi, M.D.Marshfield, WI 544491427068212
  8. Jane Ohde, DOMarshfield, WI 544491164805560

Common questions

What is Eberhard A. Mack, MD's NPI number?

Eberhard A. Mack, MD's National Provider Identifier (NPI) is 1831154467, issued on Apr 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Eberhard A. Mack, MD located?

The NPPES record lists a practice address at 1000 N Oak Ave, Marshfield, WI, 54449. Phone: (715) 387-5511. Providers update this record themselves, so call before visiting.

How can I verify Eberhard A. Mack, MD's license?

NPPES lists Wisconsin license number 20306, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.