NPPES file of Aug 9, 2026

Mark D. Zarnke, M.D.

Surgery Physician · Rockford, IL

Mark D. Zarnke, M.D. is a surgery physician with a practice address in Rockford, Illinois, and NPI 1295737948, issued on Aug 12, 2005. Check the license (Illinois 036078965, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; 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
1295737948
Name
Mark D. Zarnke
Credential
M.D.
Primary taxonomy
Surgery Physician 208600000X
License number
036078965 IL
Self-reported in NPPES; status is on the state search
Practice location
2350 N Rockton Ave, Rockford, IL 61103
Phone
(815) 963-3426
Enumerated
Aug 12, 2005
Record last updated
Dec 2, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(815) 963-3428
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 1,520 in Illinois → Look up another NPI →

Also registered at 2350 N Rockton Ave

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

  1. Abdullah Altayeh, M.D.Pulmonary Disease Physician1831191584
  2. Melissa Bachman, APRNGerontology Nurse Practitioner1225709900
  3. Brenda Beilfuss, FNP-CFamily Nurse Practitioner1275185142
  4. Constance Blaisdell, NPFamily Nurse Practitioner1588135529
  5. William Buntain, MDPediatric Surgery Physician1700902608
  6. David Cheng, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1194781849

Verify Mark D. Zarnke in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036078965    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 Illinois license search

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Mark D. Zarnke among 1,520 surgery physician records in Illinois

Mark D. Zarnke, M.D. is one of 1,520 surgery physician records with a practice address in Illinois. 66% 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 92% newer
  • In a Medicare fileNo · 66% of these records are
  • In the CMS Doctors and Clinicians fileNo · 43% of these records are
  • Record last updated2009 · 49% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgery Physician providers in Illinois

There are 1,520 surgery physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,520 in Illinois → Every provider in Rockford → Surgery Physician nationwide →

The 8 surgery physician records with the nearest ZIP codes

  1. Samuel Appavu, M.D.Rockford, IL 611031346243169
  2. Igal Breitman, MDRockford, IL 611031881973014
  3. Donald McCanse, M.D.Rockford, IL 611031568468619
  4. Michael McCarthy, D.O.Rockford, IL 611031851383061
  5. Michael Michelotti, MDRockford, IL 611031912991688
  6. Roger Miller, M.D.Rockford, IL 611031912903899
  7. Mark Rauter, M.D.Rockford, IL 611031982606745
  8. Jeffrey Schauer, M.D.Rockford, IL 611031427054592

Common questions

What is Mark D. Zarnke, M.D.'s NPI number?

Mark D. Zarnke, M.D.'s National Provider Identifier (NPI) is 1295737948, issued on Aug 12, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mark D. Zarnke, M.D. located?

The NPPES record lists a practice address at 2350 N Rockton Ave, Rockford, IL, 61103. Phone: (815) 963-3426. Providers update this record themselves, so call before visiting.

How can I verify Mark D. Zarnke, M.D.'s license?

NPPES lists Illinois license number 036078965, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. 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.