Andrzej M. Dudas, D.O.
Family Medicine Physician · Rockford, IL
Andrzej M. Dudas, D.O. is a family medicine physician with a practice address in Rockford, Illinois, and NPI 1609037308, issued on Jun 24, 2008. Check the license (Illinois 036-126851, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Andrzej M. Dudas
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 036-126851 IL
125-054982 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1221 E State St, Rockford, IL 61104
- Phone
- (815) 972-1000
- Enumerated
- Jun 24, 2008
- Record last updated
- Aug 9, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (815) 972-1086
- Medicare enrollment
- Enrolled (PECOS I20190509000973); accepts Medicare assignment
- Medical or professional school
- Chicago College Of Osteopathy, 2008
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 1221 E State St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Laura BergerStudent in an Organized Health Care Education/Training Program1467394544
- Gerald Boyd, M.D.Family Medicine Physician1235111774
- Cynthia BrushClinical Social Worker1467738328
- Cheyenne CarrStudent in an Organized Health Care Education/Training Program1962343582
Verify Andrzej M. Dudas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-126851Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average family medicine physician in 2024
1,114 Medicare Part D claims for 222 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 38 claims were for opioids.
Most prescribed
- Doxycycline Hyclate62 claims
- Prednisone35 claims
- Amlodipine Besylate34 claims
- Amoxicillin-Clavulanate Potass33 claims
- Metoprolol Succinate32 claims
- Atorvastatin Calcium31 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.
Industry payments in 2024: $43.81
2 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Physicians Immediate Care North Chicago LLCChicago, IL
- The Board OF Trustees OF The University OF IllinoisRockford, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrzej M. Dudas among 6,215 family medicine physician records in Illinois
Andrzej M. Dudas, D.O. is one of 6,215 family medicine physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 50% of them.
- NPI issued2008 · 50% of these records are older, 46% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2008 · median 2006 among the 3,714 with a school on file
- Record last updated2011 · 54% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
145 family medicine physician records list a practice address in Rockford
They are 145 of the 3,893 NPPES records with a practice address in Rockford, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Rockford → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Carlos Aguero-Medina, MDRockford, IL 611041053364349
- Gerald Boyd, M.D.Rockford, IL 611041235111774
- Tammy Homman, M.D.Rockford, IL 611041558337956
- Mary Jo Ironside, MDRockford, IL 611041275579658
- Mitchell King, MDRockford, IL 611041225038276
- Martin Lipsky, MDRockford, IL 611041801870845
- Lucio Martinez, MDRockford, IL 611041154397354
- Anna Meenan, M.D.Rockford, IL 611041518958578
Common questions
What is Andrzej M. Dudas, D.O.'s NPI number?
Andrzej M. Dudas, D.O.'s National Provider Identifier (NPI) is 1609037308, issued on Jun 24, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Andrzej M. Dudas, D.O. located?
The NPPES record lists a practice address at 1221 E State St, Rockford, IL, 61104. Phone: (815) 972-1000. Providers update this record themselves, so call before visiting.
How can I verify Andrzej M. Dudas, D.O.'s license?
NPPES lists Illinois license number 036-126851, 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 Andrzej M. Dudas, D.O. prescribe under Medicare Part D?
In 2024, Andrzej M. Dudas, D.O. had 1,114 Medicare Part D claims for 222 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.