Grant Sims
Prosthodontics · Chicago, IL
Grant Sims is a prosthodontics with a practice address in Chicago, Illinois, and NPI 1780672121, issued on Oct 10, 2005. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Grant Sims
- Primary taxonomy
- Prosthodontics 1223P0700X
- Practice location
- 5333 N Clark St, Chicago, IL 60640
- Phone
- (773) 728-5333
- Enumerated
- Oct 10, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (773) 728-7405
- Entity
- Type 1 · individual
8 nearest prosthodontics records → All 78 in Illinois → Look up another NPI →
Also registered at 5333 N Clark St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ghassan AbboudProsthodontics1508854910
- Ginu Dahiya, DMD, MSOrthodontics and Dentofacial Orthopedics Dentistry1962850537
- Georgia Kalkanis, DDSGeneral Practice Dentistry1669667432
- Sanela Ovnovic-Hodzic, RDHDental Hygienist1255758827
- Tamara Oweis, DDSOrthodontics and Dentofacial Orthopedics Dentistry1710242185
- Lawrence VelanoGeneral Practice Dentistry1487642823
Verify Grant Sims 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
49% fewer Medicare Part D claims than the average prosthodontics in 2024
46 Medicare Part D claims for 33 beneficiaries, against an average of 90 among the 1,779 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 34 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen16 claims
- Tramadol Hcl15 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.
Grant Sims among 78 prosthodontics records in Illinois
Grant Sims is one of 78 prosthodontics records with a practice address in Illinois. 63% 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, 95% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · 3% of these records are
- Record last updated2026 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223P0700X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Prosthodontics providers in Illinois
There are 78 prosthodontics records in Illinois.
All 78 in Illinois → Every provider in Chicago → Prosthodontics nationwide →
The 8 prosthodontics records with the nearest ZIP codes
- Ghassan AbboudChicago, IL 606401508854910
- Mohammed Salih, DDSChicago, IL 606301578047882
- Anil Agarwal, D.D.SChicago, IL 606521790940849
- Omar Cruz, DMDChicago, IL 606571659565232
- Martin Hirsch, D.M.D.Chicago, IL 606571003948555
- Suzie Ahn, DDSChicago, IL 606131649688607
- Leila Ahmadian Khoshe MehrChicago, IL 606121619497021
- Stephen Campbell, DDSChicago, IL 606121154534287
Common questions
What is Grant Sims's NPI number?
Grant Sims's National Provider Identifier (NPI) is 1780672121, issued on Oct 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Grant Sims located?
The NPPES record lists a practice address at 5333 N Clark St, Chicago, IL, 60640. Phone: (773) 728-5333. Providers update this record themselves, so call before visiting.
How can I verify Grant Sims's license?
Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Grant Sims prescribe under Medicare Part D?
In 2024, Grant Sims had 46 Medicare Part D claims for 33 beneficiaries; the average among prosthodontics prescribers was 90. 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.