Uyen To, M.D.
Hepatology Physician · Hartford, CT
Uyen To, M.D. is a hepatology physician with a practice address in Hartford, Connecticut, and NPI 1770873812, issued on Apr 11, 2011. Check the license (Connecticut 1.060593, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Uyen To
- Credential
- M.D.
- Primary taxonomy
- Hepatology Physician 207RI0008X
- License number
- 1.060593 CT
Self-reported in NPPES; status is on the state search - Practice location
- 85 Seymour St Ste 1000, Hartford, CT 06106
- Phone
- (860) 246-2571
- Enumerated
- Apr 11, 2011
- Record last updated
- Aug 6, 2025
- Fax
- (860) 246-3691
- Medicare enrollment
- Enrolled (PECOS I20180815000634); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 85 Seymour St Ste 1000
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nihal Patel, MDGastroenterology Physician1720375090
- Michael Selden, M.D.Gastroenterology Physician1114954203
- Bethany Whitney, PHYSICIAN ASSISTANTMedical Physician Assistant1346809589
Verify Uyen To in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 1.060593Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% more Medicare Part D claims than the average hepatology physician in 2024
787 Medicare Part D claims for 120 beneficiaries, against an average of 762 among the 228 providers of this specialty who prescribed in Part D.
Most prescribed
- Xifaxan87 claims
- Ursodiol84 claims
- Pantoprazole Sodium65 claims
- Furosemide53 claims
- Tacrolimus27 claims
- Tamsulosin Hcl27 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 73.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
3 hospitals and group practices
- Hartford HospitalHartford, CT · Acute Care Hospitals4 of 5 stars
- Connecticut GI PLLCHartford, CT
- Yale UniversityNew Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Hepatology Physician providers in Connecticut
There are 8 hepatology physician records in Connecticut.
Other hepatology physician records in Connecticut
- David Assis, MDNew Haven, CT1124235015
- David Peretz, MDNorwalk, CT1447435086
- Anahita Rabiee, M.D.New Haven, CT1568810729
- Elizabeth Richardson, DOHartford, CT1871913186
- Tamar Taddei, MDWest Haven, CT1467673087
- Eva Urtasun Sotil, M. D.Hartford, CT1689819856
- Suchat Wongcharatrawee, MDWest Haven, CT1932208931
Common questions
What is Uyen To, M.D.'s NPI number?
Uyen To, M.D.'s National Provider Identifier (NPI) is 1770873812, issued on Apr 11, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Uyen To, M.D. located?
The NPPES record lists a practice address at 85 Seymour St Ste 1000, Hartford, CT, 06106. Phone: (860) 246-2571. Providers update this record themselves, so call before visiting.
How can I verify Uyen To, M.D.'s license?
NPPES lists Connecticut license number 1.060593, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Uyen To, M.D. prescribe under Medicare Part D?
In 2024, Uyen To, M.D. had 787 Medicare Part D claims for 120 beneficiaries; the average among hepatology physician prescribers was 762. Part D covers Medicare prescriptions only.
What is Uyen To, M.D.'s MIPS final score?
The 2023 MIPS final score is 73.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.