NPPES file of Aug 9, 2026

Michael J. Volk, M.D.

Hematology & Oncology Physician · Green Bay, WI

Michael J. Volk, M.D. is a hematology & oncology physician with a practice address in Green Bay, Wisconsin, and NPI 1750475851, issued on Oct 3, 2006. Check the license (Wisconsin 29769, 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
1750475851
Name
Michael J. Volk
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
29769 WI
4301075432 MI
Self-reported in NPPES; status is on the state search
Practice location
1726 Shawano Ave, Green Bay, WI 54303
Phone
(920) 884-3135
Enumerated
Oct 3, 2006
Record last updated
Nov 18, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(920) 884-3144
Medicaid IDs
31514800 WI
104160530 MI
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.
Download card Updates feed

Also registered at 1726 Shawano Ave

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

  1. Kamal Kant Singh Abbi, M.D.Medical Oncology Physician1588827778
  2. Joao Vitor Andreoli Saltao, MDInternal Medicine Physician1851870976
  3. Mohamed Azab, M.DGastroenterology Physician1013390434
  4. Melissa Bader, NPFamily Nurse Practitioner1508692724
  5. Yaw Berko, MDInternal Medicine Physician1003952995
  6. Jules Blank, M.D.Hematology & Oncology Physician1730273889

Verify Michael J. Volk in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 29769
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Michael J. Volk among 295 hematology & oncology physician records in Wisconsin

Michael J. Volk, M.D. is one of 295 hematology & oncology physician records with a practice address in Wisconsin. 82% 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 8% of them.

  • NPI issued2006 · 8% of these records are older, 59% newer
  • In a Medicare fileNo · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 74% of these records are
  • Record last updated2013 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in Wisconsin

There are 295 hematology & oncology physician records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Jules Blank, M.D.Green Bay, WI 543031730273889
  2. Bradley Heraly, M.D.Green Bay, WI 543031063730042
  3. Anthony Jaslowski, M.D.Green Bay, WI 543031467546507
  4. Harsha Poola, M.DGreen Bay, WI 543031801174354
  5. Matthew Ryan, M.D.Green Bay, WI 543031548233612
  6. Jerry Winkler, M.D.Green Bay, WI 543031851365910
  7. Brian Burnette, MDGreen Bay, WI 543011952523680
  8. Paul Koch, M.D.Green Bay, WI 543011649346073

Common questions

What is Michael J. Volk, M.D.'s NPI number?

Michael J. Volk, M.D.'s National Provider Identifier (NPI) is 1750475851, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael J. Volk, M.D. located?

The NPPES record lists a practice address at 1726 Shawano Ave, Green Bay, WI, 54303. Phone: (920) 884-3135. Providers update this record themselves, so call before visiting.

How can I verify Michael J. Volk, M.D.'s license?

NPPES lists Wisconsin license number 29769, 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.

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.