Chieh-Li Tien, D.D.S.
Dentist · Chicago, IL
Chieh-Li Tien, D.D.S. is a dentist with a practice address in Chicago, Illinois, and NPI 1215318027, issued on Jun 17, 2015. Check the license (Illinois 319020357019031017, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Chieh-Li Tien
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License number
- 319020357019031017 IL
Self-reported in NPPES; status is on the state search - Practice location
- 575 W Madison St, Chicago, IL 60661
- Phone
- (646) 416-0230
- Enumerated
- Jun 17, 2015
- Record last updated
- Mar 13, 2017 (not updated in 9 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 4,522 in Illinois → Look up another NPI →
Also registered at 575 W Madison St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Chieh-Li Tien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 319020357019031017Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average dentist in 2024
24 Medicare Part D claims for 11 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Chieh-Li Tien among 4,522 dentist records in Illinois
Chieh-Li Tien, D.D.S. is one of 4,522 dentist 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 2015, is newer than 65% of them.
- NPI issued2015 · 65% of these records are older, 32% 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 updated2017 · 74% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X 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 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 4,522 in Illinois → Every provider in Chicago → Dentist nationwide →
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- Kerstin Horbal, DDSChicago, IL 606601023243151
- Jack Horbal, D.D.S.Chicago, IL 606601679556500
- Terrance Jackson, DMDChicago, IL 606601356929335
Common questions
What is Chieh-Li Tien, D.D.S.'s NPI number?
Chieh-Li Tien, D.D.S.'s National Provider Identifier (NPI) is 1215318027, issued on Jun 17, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Chieh-Li Tien, D.D.S. located?
The NPPES record lists a practice address at 575 W Madison St, Chicago, IL, 60661. Phone: (646) 416-0230. Providers update this record themselves, so call before visiting.
How can I verify Chieh-Li Tien, D.D.S.'s license?
NPPES lists Illinois license number 319020357019031017, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Chieh-Li Tien, D.D.S. prescribe under Medicare Part D?
In 2024, Chieh-Li Tien, D.D.S. had 24 Medicare Part D claims for 11 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.