NPPES file of Aug 9, 2026

Mark A. Blazek, M.D.

Pediatrics Physician · Portage, MI

Mark A. Blazek, M.D. is a pediatrics physician with a practice address in Portage, Michigan, and NPI 1649240292, issued on Jan 25, 2006. Check the license (Michigan MB041426, as entered in NPPES) on the Michigan Board of Medicine (LARA); 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
1649240292
Name
Mark A. Blazek
Credential
M.D.
Primary taxonomy
Pediatrics Physician 208000000X
License number
MB041426 MI
Self-reported in NPPES; status is on the state search
Practice location
670 Mall Dr, Portage, MI 49024
Phone
(269) 327-1900
Enumerated
Jan 25, 2006
Record last updated
Jul 13, 2026
Fax
(269) 327-1564
Medicaid ID
1398615 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.
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8 nearest pediatrics physician records → All 2,180 in Michigan → Look up another NPI →

Also registered at 670 Mall Dr

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

  1. Natalie Behrle, MDPediatrics Physician1619317955
  2. Justine BunkaPediatrics Physician1720341951
  3. Randall Dyk, MDPediatrics Physician1033199674
  4. Kathleen Lemmen, M.D.Pediatrics Physician1801867106
  5. Stephen Lull, M.D.Pediatrics Physician1952371593
  6. David Ohmart, M.D.Pediatrics Physician1437129095

Verify Mark A. Blazek in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license MB041426    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 Michigan license search

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Mark A. Blazek among 2,180 pediatrics physician records in Michigan

Mark A. Blazek, M.D. is one of 2,180 pediatrics physician records with a practice address in Michigan. 38% 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 10% of them.

  • NPI issued2006 · 10% of these records are older, 56% newer
  • In a Medicare fileNo · 38% of these records are
  • In the CMS Doctors and Clinicians fileNo · 11% of these records are
  • Record last updated2026 · 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 208000000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

23 pediatrics physician records list a practice address in Portage

They are 23 of the 1,492 NPPES records with a practice address in Portage, and 2,180 pediatrics physician records in Michigan. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,180 in Michigan → Every provider in Portage → Pediatrics Physician nationwide →

The 8 pediatrics physician records with the nearest ZIP codes

  1. Thomas Akland, DOPortage, MI 490241205873056
  2. Mary Avendt-Reeber, M.D.Portage, MI 490241891081972
  3. Nicolette Baumgartner, MDPortage, MI 490241427095207
  4. Randall Dyk, MDPortage, MI 490241033199674
  5. Sara Ehlke-Bejcek, MDPortage, MI 490241023089604
  6. Robert Ensfield, M.D.Portage, MI 490241912099854
  7. Linda GarrisonPortage, MI 490241023124799
  8. Christopher Goodwin, M.D.Portage, MI 490241558306944

Common questions

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

Mark A. Blazek, M.D.'s National Provider Identifier (NPI) is 1649240292, issued on Jan 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark A. Blazek, M.D. located?

The NPPES record lists a practice address at 670 Mall Dr, Portage, MI, 49024. Phone: (269) 327-1900. Providers update this record themselves, so call before visiting.

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

NPPES lists Michigan license number MB041426, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. 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.