Gregory Tietzer, D.D.S.
General Practice Dentistry · Chicago, IL
Gregory Tietzer, D.D.S. is a general practice dentistry with a practice address in Chicago, Illinois, and NPI 1922148378, issued on Feb 7, 2007. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory Tietzer
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- Practice location
- 3318 W Foster Ave, Chicago, IL 60625
- Phone
- (773) 463-8860
- Enumerated
- Feb 7, 2007
- Entity
- Type 1 · individual
Verify Gregory Tietzer 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
56% fewer Medicare Part D claims than the average general practice dentistry in 2024
37 Medicare Part D claims for 23 beneficiaries, against an average of 84 among the 68,591 providers of this specialty who prescribed in Part D.
Most prescribed
- Penicillin V Potassium14 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.
1,116 general practice dentistry records list a Chicago practice address
They are 1,116 of the 63,379 NPPES records with a Chicago practice address, and 5,203 general practice dentistry records in Illinois.
All 1,116 in Chicago → All 5,203 in Illinois → Every provider in Chicago →
Other general practice dentistry records in Illinois
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- Khadija Aamir Sulemanjee, DMDSkokie, IL1205493269
- Mohammad Abbas, DDSNorthlake, IL1013975531
- Abdullah Abd EssamadChicago, IL1528848066
- Samer Abdallah, DDSPalatine, IL1487092706
- Dana Abdeddin, DDSPalos Heights, IL1083442768
- Hossam AbdelsalamElgin, IL1184248213
- Naser Abdelsalam, DMDChicago, IL1528740875
- Tawfik Abdul DayemNaperville, IL1003536269
- Osaamah Abdulla, DMDBlue Island, IL1083407886
Common questions
What is Gregory Tietzer, D.D.S.'s NPI number?
Gregory Tietzer, D.D.S.'s National Provider Identifier (NPI) is 1922148378, issued on Feb 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Tietzer, D.D.S. located?
The NPPES record lists a practice address at 3318 W Foster Ave, Chicago, IL, 60625. Phone: (773) 463-8860. Providers update this record themselves, so call before visiting.
How can I verify Gregory Tietzer, D.D.S.'s license?
Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory Tietzer, D.D.S. prescribe under Medicare Part D?
In 2024, Gregory Tietzer, D.D.S. had 37 Medicare Part D claims for 23 beneficiaries; the average among general practice dentistry prescribers was 84. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.