NPPES file of Aug 9, 2026

Christopher B. Kordiyak, M.D.

Family Medicine Physician · Marinette, WI

Christopher B. Kordiyak, M.D. is a family medicine physician with a practice address in Marinette, Wisconsin, and NPI 1174685598, issued on Dec 14, 2006. Check the license (Wisconsin 30743-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1174685598
Name
Christopher B. Kordiyak
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
30743-020 WI
Self-reported in NPPES; status is on the state search
Practice location
3200 Shore Dr, Marinette, WI 54143
Phone
(715) 732-8610
Enumerated
Dec 14, 2006
Record last updated
Oct 28, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(715) 732-8650
Medicaid ID
31546700 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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Also registered at 3200 Shore Dr

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

  1. Andrew Barker, P.T.Physical Therapist1528036209
  2. Kathy Brattain, APNPFamily Nurse Practitioner1033509963
  3. Seugnet Debauche, PTPhysical Therapist1801274717
  4. Rachel Dodds, AUDAudiologist1023301397
  5. Anthony Friese, PTPhysical Therapist1952418329
  6. Beth Gabavics, AUDAudiologist1942517180

Verify Christopher B. Kordiyak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 30743-020
    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

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89% fewer Medicare Part D claims than the average family medicine physician in 2024

390 Medicare Part D claims for 308 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Christopher Kordiyak390
  2. Specialty average3,544

Most prescribed

  1. Amoxicillin-Clavulanate Potass81 claims
  2. Cephalexin58 claims
  3. Prednisone37 claims
  4. Albuterol Sulfate Hfa20 claims
  5. Doxycycline Monohydrate19 claims
  6. Azithromycin15 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Christopher B. Kordiyak among 3,765 family medicine physician records in Wisconsin

Christopher B. Kordiyak, M.D. is one of 3,765 family medicine physician records with a practice address in Wisconsin. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 46% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2016 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

12 family medicine physician records list a practice address in Marinette

They are 12 of the 452 NPPES records with a practice address in Marinette, and 3,765 family medicine physician records in Wisconsin.

The 8 family medicine physician records with the nearest ZIP codes

  1. Debora Bensi, MDMarinette, WI 541431558542332
  2. Ulysses Boco, MDMarinette, WI 541431396239372
  3. Mridani Choudhury, M.D.Marinette, WI 541431275847519
  4. Tyler Manley, DOMarinette, WI 541431740708361
  5. Gary Metcalf, MDMarinette, WI 541431831216985
  6. John Nielsen, M.D.Marinette, WI 541431003811415
  7. James Opoien, MD PHDMarinette, WI 541431265429674
  8. Lara Powers, MDMarinette, WI 541431730176140

Common questions

What is Christopher B. Kordiyak, M.D.'s NPI number?

Christopher B. Kordiyak, M.D.'s National Provider Identifier (NPI) is 1174685598, issued on Dec 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Christopher B. Kordiyak, M.D. located?

The NPPES record lists a practice address at 3200 Shore Dr, Marinette, WI, 54143. Phone: (715) 732-8610. Providers update this record themselves, so call before visiting.

How can I verify Christopher B. Kordiyak, M.D.'s license?

NPPES lists Wisconsin license number 30743-020, 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.

How much does Christopher B. Kordiyak, M.D. prescribe under Medicare Part D?

In 2024, Christopher B. Kordiyak, M.D. had 390 Medicare Part D claims for 308 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.