Timothy John O'Brien, M.D.
Otolaryngology Physician · Wethersfield, CT
Timothy John O'Brien, M.D. is an otolaryngology physician with a practice address in Wethersfield, Connecticut, and NPI 1619161247, issued on Aug 27, 2007. Check the license (Connecticut 48736, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Timothy John O'Brien
- Credential
- M.D.
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- 48736 CT
Self-reported in NPPES; status is on the state search - Practice location
- 988 Silas Deane Hwy, Wethersfield, CT 06109
- Phone
- (860) 493-1950
- Enumerated
- Aug 27, 2007
- Record last updated
- Jul 21, 2022
- Fax
- (860) 493-1961
- Medicare enrollment
- Enrolled (PECOS I20101124000002); accepts Medicare assignment
- Medical or professional school
- University Of Connecticut School Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 146 in Connecticut → Look up another NPI →
Also registered at 988 Silas Deane Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christina Bouaphone, APRNNurse Practitioner1962358069
- Theresa Creamer, PA-C, RDMedical Physician Assistant1124588611
- Bethany Jewett, AUDAudiologist1780178350
- Mackenzie Kilpatrick, PA-CMedical Physician Assistant1891331211
- Jeffrey Marino, M.D.Otolaryngology Physician1295962868
- Kelly McKenna, MDOtolaryngology Physician1073190120
Verify Timothy John O'Brien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 48736Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% more Medicare Part D claims than the average otolaryngology physician in 2024
736 Medicare Part D claims for 248 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Ipratropium Bromide172 claims
- Prednisone58 claims
- Omeprazole47 claims
- Dupixent Syringe30 claims
- Gabapentin29 claims
- Fluticasone Propionate28 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): 73.2 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).
Industry payments in 2024: $1,214.17
12 payments; by number, the most common kind was food and beverage; the largest payer was Inspire Medical Systems, Inc. The 6,429 providers of this specialty with any payment received $1,922.50 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.
2 hospitals and group practices
- Hartford HospitalHartford, CT · Acute Care Hospitals4 of 5 stars
- Connecticut Ear, Nose And Throat Associates, P.C.Wethersfield, 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.
Timothy John O'Brien among 146 otolaryngology physician records in Connecticut
Timothy John O'Brien, M.D. is one of 146 otolaryngology physician records with a practice address in Connecticut. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 55% of them.
- NPI issued2007 · 55% of these records are older, 32% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2005 · median 2002 among the 103 with a school on file
- Record last updated2022 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in Connecticut
There are 146 otolaryngology physician records in Connecticut.
All 146 in Connecticut → Every provider in Wethersfield → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Jeffrey Marino, M.D.Wethersfield, CT 061091295962868
- Kelly McKenna, MDWethersfield, CT 061091073190120
- Carl Moeller, M.D.Wethersfield, CT 061091124281464
- Gregory Bonaiuto, M.D.Hartford, CT 061061598751372
- Nancy Grover, MDHartford, CT 061061679984314
- Clinton Kuwada, M.D.Hartford, CT 061061255524328
- Nicole Murray-Posner, MDHartford, CT 061061720054174
- Richard Newman, M.D.Hartford, CT 061061740276427
Common questions
What is Timothy John O'Brien, M.D.'s NPI number?
Timothy John O'Brien, M.D.'s National Provider Identifier (NPI) is 1619161247, issued on Aug 27, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Timothy John O'Brien, M.D. located?
The NPPES record lists a practice address at 988 Silas Deane Hwy, Wethersfield, CT, 06109. Phone: (860) 493-1950. Providers update this record themselves, so call before visiting.
How can I verify Timothy John O'Brien, M.D.'s license?
NPPES lists Connecticut license number 48736, 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 Timothy John O'Brien, M.D. prescribe under Medicare Part D?
In 2024, Timothy John O'Brien, M.D. had 736 Medicare Part D claims for 248 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.
What is Timothy John O'Brien, M.D.'s MIPS final score?
The 2023 MIPS final score is 73.2 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.