Ona Liu, DDS
General Practice Dentistry · Uncasville, CT
Ona Liu, DDS is a general practice dentistry with a practice address in Uncasville, Connecticut, and NPI 1790179885, issued on Mar 26, 2015. Check the license (Connecticut 11689, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ona Liu
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 11689 CT
Self-reported in NPPES; status is on the state search - Practice location
- 620 Norwich New London Tpke, Uncasville, CT 06382
- Phone
- (860) 848-1291
- Enumerated
- Mar 26, 2015
- Record last updated
- Jan 11, 2022
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 1,731 in Connecticut → Look up another NPI →
Also registered at 620 Norwich New London Tpke
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Daleo, D.D.S.General Practice Dentistry1487034765
- Kathleen Eagle, MSN, APRN, FNP-CFamily Nurse Practitioner1275202087
- Tracy Jullarine, APRNFamily Nurse Practitioner1831857143
- Elizabeth Kozlowski, DMDGeneral Practice Dentistry1386138147
- Mark Kozlowski, D.M.D.General Practice Dentistry1770640336
- Kristin MahanFamily Nurse Practitioner1750663860
Verify Ona Liu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 11689Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $87.15
3 payments; by number, the most common kind was education; the largest payer was Zimvie Inc. 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.
Ona Liu among 1,731 general practice dentistry records in Connecticut
Ona Liu, DDS is one of 1,731 general practice dentistry records with a practice address in Connecticut. 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 2015, is newer than 81% of them.
- NPI issued2015 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2022 · 80% 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 general practice dentistry records list a practice address in Uncasville
They are 10 of the 137 NPPES records with a practice address in Uncasville, and 1,731 general practice dentistry records in Connecticut.
All 1,731 in Connecticut → Every provider in Uncasville → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- James Daleo, D.D.S.Uncasville, CT 063821487034765
- Mark Kozlowski, D.M.D.Uncasville, CT 063821770640336
- Elizabeth Kozlowski, DMDUncasville, CT 063821386138147
- Henie KurzmanUncasville, CT 063821336461318
- Peter Lacy, D.M.D.Uncasville, CT 063821174845150
- Michael McKay, DMDUncasville, CT 063821134339138
- Johanna Ocasio-Heil, DMDNorth Stonigton, CT 063821437274370
- Barbara Roomkin, DMDUncasville, CT 063821780660936
Common questions
What is Ona Liu, DDS's NPI number?
Ona Liu, DDS's National Provider Identifier (NPI) is 1790179885, issued on Mar 26, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Ona Liu, DDS located?
The NPPES record lists a practice address at 620 Norwich New London Tpke, Uncasville, CT, 06382. Phone: (860) 848-1291. Providers update this record themselves, so call before visiting.
How can I verify Ona Liu, DDS's license?
NPPES lists Connecticut license number 11689, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity 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.