Richard G. Grubek, D.D.S.
Dentist · Chicago, IL
Richard G. Grubek, D.D.S. is a dentist with a practice address in Chicago, Illinois, and NPI 1174695217, issued on Nov 14, 2006. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Richard G. Grubek
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- Practice location
- 5307 N Harlem Ave, Chicago, IL 60656
- Phone
- (773) 774-4331
- Enumerated
- Nov 14, 2006
- Record last updated
- Jun 28, 2026
- Entity
- Type 1 · individual
Also registered at 5307 N Harlem Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joseph DaviesGeneral Practice Dentistry1760372577
Verify Richard G. Grubek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average dentist in 2024
42 Medicare Part D claims for 27 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin32 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.
1,148 dentist records list a practice address in Chicago
They are 1,148 of the 63,379 NPPES records with a practice address in Chicago, and 4,522 dentist records in Illinois.
All 1,148 in Chicago → All 4,522 in Illinois → Every provider in Chicago →
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Common questions
What is Richard G. Grubek, D.D.S.'s NPI number?
Richard G. Grubek, D.D.S.'s National Provider Identifier (NPI) is 1174695217, issued on Nov 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Richard G. Grubek, D.D.S. located?
The NPPES record lists a practice address at 5307 N Harlem Ave, Chicago, IL, 60656. Phone: (773) 774-4331. Providers update this record themselves, so call before visiting.
How can I verify Richard G. Grubek, D.D.S.'s license?
Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Richard G. Grubek, D.D.S. prescribe under Medicare Part D?
In 2024, Richard G. Grubek, D.D.S. had 42 Medicare Part D claims for 27 beneficiaries; the average among dentist prescribers was 86. 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.