Richard R. Marek, D.D.S.
General Practice Dentistry · Chicago, IL
Richard R. Marek, D.D.S. is a general practice dentistry with a practice address in Chicago, Illinois, and NPI 1851380927, issued on Oct 20, 2005. Check the license (Illinois 1917470, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Richard R. Marek
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 1917470 IL
Self-reported in NPPES; status is on the state search - Practice location
- 5929 N Milwaukee Ave, Chicago, IL 60646
- Phone
- (773) 631-6887
- Enumerated
- Oct 20, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (773) 631-1898
- Medicaid ID
- 101834 IL
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 5,276 in Illinois → Look up another NPI →
Also registered at 5929 N Milwaukee Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sal Cirrincione, DCChiropractor1437269230
Verify Richard R. Marek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 1917470Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average general practice dentistry in 2024
35 Medicare Part D claims for 27 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin16 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: $56.04
3 payments; by number, the most common kind was food and beverage; the largest payer was Solventum Corporation. The 41,669 providers of this specialty with any payment received $597.01 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.
Richard R. Marek among 5,276 general practice dentistry records in Illinois
Richard R. Marek, D.D.S. is one of 5,276 general practice dentistry records with a practice address in Illinois. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 96% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2026 · 75% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,148 general practice dentistry records list a practice address in Chicago
They are 1,148 of the 63,379 NPPES records with a practice address in Chicago, and 5,276 general practice dentistry records in Illinois.
All 5,276 in Illinois → Every provider in Chicago → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Terrence Busby, D.D.S.Chicago, IL 606461386650125
- Sukyong Chang, D.D.S.Chicago, IL 606461053316752
- Jee-Sun Chun, D.D.S.Chicago, IL 606461639235773
- Michael Connolly, D.D.S.Chicago, IL 606461821058801
- Reinhold Fischer, DDSChicago, IL 606461134273204
- Martin Karwowski, DDSChicago, IL 606461881647436
- Ung Kim, DDSChicago, IL 606461801963103
- Jeffrey Kramer, D.D.S.Chicago, IL 606461154351641
Common questions
What is Richard R. Marek, D.D.S.'s NPI number?
Richard R. Marek, D.D.S.'s National Provider Identifier (NPI) is 1851380927, issued on Oct 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Richard R. Marek, D.D.S. located?
The NPPES record lists a practice address at 5929 N Milwaukee Ave, Chicago, IL, 60646. Phone: (773) 631-6887. Providers update this record themselves, so call before visiting.
How can I verify Richard R. Marek, D.D.S.'s license?
NPPES lists Illinois license number 1917470, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Richard R. Marek, D.D.S. prescribe under Medicare Part D?
In 2024, Richard R. Marek, D.D.S. had 35 Medicare Part D claims for 27 beneficiaries; the average among general practice dentistry prescribers was 83. 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.