Steven C. Thornquist, M.D.
Pediatric Ophthalmology and Strabismus Specialist Physician · Waterbury, CT
Steven C. Thornquist, M.D. is a pediatric ophthalmology and strabismus specialist physician with a practice address in Waterbury, Connecticut, and NPI 1558441378, issued on Oct 16, 2006. Check the license (Connecticut 031010, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Steven C. Thornquist
- Credential
- M.D.
- Primary taxonomy
- Pediatric Ophthalmology and Strabismus Specialist Physician 207WX0110X
- License number
- 031010 CT
Self-reported in NPPES; status is on the state search - Practice location
- 1201 W Main St Ste 100, Waterbury, CT 06708
- Phone
- (203) 597-9100
- Enumerated
- Oct 16, 2006
- Record last updated
- Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (203) 573-4805
- Entity
- Type 1 · individual
6 nearest pediatric ophthalmology and strabismus specialist physician records → All 7 in Connecticut → Look up another NPI →
Also registered at 1201 W Main St Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Airi Ando, ODOptometrist1316517048
- Angela Bosjolie, DOOphthalmology Physician1093891608
- Jillian Kaplita, MDOphthalmology Physician1386148070
- Meredith Kim, M.D.Ophthalmology Physician1700311248
- Alexander Nguyen, M.D.Ophthalmology Physician1619316395
Verify Steven C. Thornquist in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 031010Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% more Medicare Part D claims than the average pediatric ophthalmology and strabismus specialist physician in 2024
194 Medicare Part D claims for 90 beneficiaries, against an average of 111 among the 150 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.
Most prescribed
- Latanoprost46 claims
- Neomycin-Polymyxin-Dexameth37 claims
- Timolol Maleate15 claims
- Tobramycin-Dexamethasone14 claims
- Ofloxacin11 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): 89.4 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).
Pediatric Ophthalmology and Strabismus Specialist Physician providers in Connecticut
There are 7 pediatric ophthalmology and strabismus specialist physician records in Connecticut.
All 7 in Connecticut → Every provider in Waterbury → Pediatric Ophthalmology and Strabismus Specialist Physician nationwide →
The 6 pediatric ophthalmology and strabismus specialist physician records with the nearest ZIP codes
- Tara Cronin, M.D.Waterbury, CT 067081174721864
- Andrew Levada, MDWaterbury, CT 067081215931829
- Jill Rotruck, M.D.New Haven, CT 065101154680932
- Darron Bacal, MDMilford, CT 064601528161403
- Paul Rychwalski, M.D.Hartford, CT 061061982639654
- Janine Collinge, M.D.Rocky Hill, CT 060671114193497
Common questions
What is Steven C. Thornquist, M.D.'s NPI number?
Steven C. Thornquist, M.D.'s National Provider Identifier (NPI) is 1558441378, issued on Oct 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Steven C. Thornquist, M.D. located?
The NPPES record lists a practice address at 1201 W Main St Ste 100, Waterbury, CT, 06708. Phone: (203) 597-9100. Providers update this record themselves, so call before visiting.
How can I verify Steven C. Thornquist, M.D.'s license?
NPPES lists Connecticut license number 031010, 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 Steven C. Thornquist, M.D. prescribe under Medicare Part D?
In 2024, Steven C. Thornquist, M.D. had 194 Medicare Part D claims for 90 beneficiaries; the average among pediatric ophthalmology and strabismus specialist physician prescribers was 111. Part D covers Medicare prescriptions only.
What is Steven C. Thornquist, M.D.'s MIPS final score?
The 2023 MIPS final score is 89.4 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.