Marek Piekos, M.D.
Reproductive Endocrinology Physician · Joliet, IL
Marek Piekos, M.D. is a reproductive endocrinology physician with a practice address in Joliet, Illinois, and NPI 1295756302, issued on Jul 22, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Marek Piekos
- Credential
- M.D.
- Primary taxonomy
- Reproductive Endocrinology Physician 207VE0102X
- Practice location
- 744 Essington RD, Joliet, IL 60435
- Phone
- (815) 730-1100
- Enumerated
- Jul 22, 2006
- Record last updated
- Mar 7, 2023
- Fax
- (815) 730-1066
- Entity
- Type 1 · individual
8 nearest reproductive endocrinology physician records → All 79 in Illinois → Look up another NPI →
Also registered at 744 Essington RD
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- Suman Shaw, FNP-BCFamily Nurse Practitioner1780214718
- Russell Wudel, PA-COrthopaedic Surgery Physician1720188980
Verify Marek Piekos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $1,210.09
33 payments; by number, the most common kind was food and beverage; the largest payer was Lundbeck LLC. The 1,066 providers of this specialty with any payment received $1,086.52 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.
Marek Piekos among 79 reproductive endocrinology physician records in Illinois
Marek Piekos, M.D. is one of 79 reproductive endocrinology physician records with a practice address in Illinois. 67% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 53% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 18% of these records are
- Record last updated2023 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VE0102X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Reproductive Endocrinology Physician providers in Illinois
There are 79 reproductive endocrinology physician records in Illinois.
All 79 in Illinois → Every provider in Joliet → Reproductive Endocrinology Physician nationwide →
The 8 reproductive endocrinology physician records with the nearest ZIP codes
- Robert Springer, DOCrest Hill, IL 604351174636591
- Joel Brasch, MDOrland Park, IL 604671760597140
- Zvi Binor, M.D.Aurora, IL 605041720074289
- Jay Levin, MDHinsdale, IL 605211720127426
- Shweta Nayak, M.D.Oak Brook, IL 605231275799595
- Amanda Schwartz, MDOak Brook, IL 605231942663315
- Randy Morris, MDNaperville, IL 605401811964745
- Shefali Shastri, M.D.Chicago, IL 606061316152861
Common questions
What is Marek Piekos, M.D.'s NPI number?
Marek Piekos, M.D.'s National Provider Identifier (NPI) is 1295756302, issued on Jul 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marek Piekos, M.D. located?
The NPPES record lists a practice address at 744 Essington RD, Joliet, IL, 60435. Phone: (815) 730-1100. Providers update this record themselves, so call before visiting.
How can I verify Marek Piekos, M.D.'s license?
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. 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.