Keith Richard O'Brien, M.D.
Urology Physician · Bridgeport, CT
Keith Richard O'Brien, M.D. is a urology physician with a practice address in Bridgeport, Connecticut, and NPI 1740667815, issued on Apr 28, 2015. Check the license (Connecticut 64924, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Keith Richard O'Brien
- Credential
- M.D.
- Primary taxonomy
- Urology Physician 208800000X
- License number
- 64924 CT
Self-reported in NPPES; status is on the state search - Practice location
- 2600 Main St Ste 119, Bridgeport, CT 06606
- Phone
- (203) 338-8760
- Enumerated
- Apr 28, 2015
- Record last updated
- Jul 15, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200811001982); accepts Medicare assignment
- Medical or professional school
- University Of South Florida College Of Medicine, 2015
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Verify Keith Richard O'Brien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 64924Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average urology physician in 2024
3,542 Medicare Part D claims for 668 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
Most prescribed
- Tamsulosin Hcl1,170 claims
- Finasteride599 claims
- Oxybutynin Chloride Er287 claims
- Myrbetriq243 claims
- Gemtesa225 claims
- Alfuzosin Hcl Er159 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): 84.5 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).
Bills Medicare through one group practice
- Hartford Healthcare Medical Group Specialists PLLCStorrs, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Urology Physician providers in Connecticut
There are 185 urology physician records in Connecticut.
Other urology physician records in Connecticut
- Syed Alam, MDNew Haven, CT1093202079
- Peter Albertsen, M.D.Farmington, CT1811992639
- Catherine Alonzo, M.D.Greenwich, CT1770802357
- Rudy Andriani, MDStamford, CT1629061957
- Joseph Antoci, M. D.Middlebury, CT1720042971
- Varnel AntoineHartford, CT1386237717
- Corlis Archer-Goode, M.D.New Britain, CT1437152360
- Harvey Armel, M.D.Milford, CT1053312173
- Milton Armm, MDBridgeport, CT1679683965
- Robert Ave'Lallemant, M.D.New Britain, CT1669469839
Common questions
What is Keith Richard O'Brien, M.D.'s NPI number?
Keith Richard O'Brien, M.D.'s National Provider Identifier (NPI) is 1740667815, issued on Apr 28, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Keith Richard O'Brien, M.D. located?
The NPPES record lists a practice address at 2600 Main St Ste 119, Bridgeport, CT, 06606. Phone: (203) 338-8760. Providers update this record themselves, so call before visiting.
How can I verify Keith Richard O'Brien, M.D.'s license?
NPPES lists Connecticut license number 64924, 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 Keith Richard O'Brien, M.D. prescribe under Medicare Part D?
In 2024, Keith Richard O'Brien, M.D. had 3,542 Medicare Part D claims for 668 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.
What is Keith Richard O'Brien, M.D.'s MIPS final score?
The 2023 MIPS final score is 84.5 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.