NPPES file of Aug 9, 2026

Eric Michael Czajkowski, M.D.

Internal Medicine Physician · Burbank, IL

Eric Michael Czajkowski, M.D. is an internal medicine physician with a practice address in Burbank, Illinois, and NPI 1871029421, issued on May 2, 2017. Check the license (Illinois 036-152944, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; 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
1871029421
Name
Eric Michael Czajkowski
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
036-152944 IL
Self-reported in NPPES; status is on the state search
Practice location
6345 W 79TH St, Burbank, IL 60459
Phone
(312) 609-0300
Enumerated
May 2, 2017
Record last updated
May 25, 2023
Fax
(708) 684-3070
Medicare enrollment
Enrolled (PECOS I20200812001991); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 6345 W 79TH St

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

  1. Sameena Akhtar, M.D.Internal Medicine Physician1699706523
  2. Joyal Akkawi, MDFamily Medicine Physician1730301722
  3. Rakan Al-Adwan, MDFamily Medicine Physician1811690142
  4. Shama Ali, M.D.Internal Medicine Physician1912934043
  5. Jean Athappilly, APRN AGPCNPPrimary Care Nurse Practitioner1295478311
  6. Taylor Bedsworth, DOInternal Medicine Physician1427613694

Verify Eric Michael Czajkowski 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 036-152944
    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

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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95% fewer Medicare Part D claims than the average internal medicine physician in 2024

143 Medicare Part D claims for 68 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 14 claims were for opioids.

  1. Eric Czajkowski143
  2. Specialty average3,176

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.

Bills Medicare through one group practice

  1. Advocate Health And Hospitals CorporationBuffalo Grove, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Eric Michael Czajkowski among 7,238 internal medicine physician records in Illinois

Eric Michael Czajkowski, M.D. is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 64% of them.

  • NPI issued2017 · 64% of these records are older, 34% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2016 · median 2003 among the 3,580 with a school on file
  • Record last updated2023 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

36 internal medicine physician records list a practice address in Burbank

They are 36 of the 245 NPPES records with a practice address in Burbank, and 7,238 internal medicine physician records in Illinois.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Sameena Akhtar, M.D.Burbank, IL 604591699706523
  2. Shama Ali, M.D.Burbank, IL 604591912934043
  3. Timothy Brandt, MDBurbank, IL 604591265532428
  4. Sandeep Chandra, M.D.Burbank, IL 604591063453876
  5. Jalal Dahshe, MDBurbank, IL 604591790716967
  6. Humberto Deleon, MDBurbank, IL 604591043263957
  7. Subia Fasih, M.D.Burbank, IL 604591285740209
  8. Khursheed Gir, M.D.Burbank, IL 604591073548194

Common questions

What is Eric Michael Czajkowski, M.D.'s NPI number?

Eric Michael Czajkowski, M.D.'s National Provider Identifier (NPI) is 1871029421, issued on May 2, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Eric Michael Czajkowski, M.D. located?

The NPPES record lists a practice address at 6345 W 79TH St, Burbank, IL, 60459. Phone: (312) 609-0300. Providers update this record themselves, so call before visiting.

How can I verify Eric Michael Czajkowski, M.D.'s license?

NPPES lists Illinois license number 036-152944, 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.

How much does Eric Michael Czajkowski, M.D. prescribe under Medicare Part D?

In 2024, Eric Michael Czajkowski, M.D. had 143 Medicare Part D claims for 68 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.