Keith O'Brien, M.D.
NPI 1740667815 · Urology Physician · Bridgeport, CT
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Keith O'Brien, M.D. is a Urology Physician provider in Bridgeport, CT (NPI 1740667815).
Provider details
- NPI number
- 1740667815
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 64924 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
991 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 217 | $13 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 207 | $138 |
| Automated Urinalysis Test81003 | 205 | $2 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 87 | $99 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 74 | $182 |
| Simple Insertion of Temporary Bladder Tube51702 | 47 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 1,170 | 307 |
| Finasteride | 599 | 172 |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er | 287 | 73 |
| Mirabegronbrand: Myrbetriq | 243 | 56 |
| Vibegronbrand: Gemtesa | 225 | 44 |
| Alfuzosin Hclbrand: Alfuzosin Hcl Er | 159 | 32 |
| Testosterone Cypionate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-04-28
- Last updated
- 2020-07-15
- Certified
- 2020-07-15
Frequently asked questions
- What is Keith O'Brien's NPI number?
- Keith O'Brien's National Provider Identifier (NPI) is 1740667815, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Keith O'Brien's specialty?
- Keith O'Brien is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Keith O'Brien located?
- Keith O'Brien's practice location on file with NPPES is 2600 Main St Ste 119, Bridgeport, CT 06606-5305.
- What is Keith O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Keith O'Brien is (203) 338-8760.
- Does Keith O'Brien accept Medicare?
- Keith O'Brien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Keith O'Brien's NPI active?
- Yes — Keith O'Brien's NPI (1740667815) is active in the NPPES registry as of the last update on 2020-07-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.