Joseph O'Brien, MD
NPI 1417652561 · Emergency Medicine Physician · Kansas City, MO
Enrolled with Medicare as Order and Referring Only - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph O'Brien, MD is a Emergency Medicine Physician provider in Kansas City, MO (NPI 1417652561).
Provider details
- NPI number
- 1417652561
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2025052807 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-03-30
- Last updated
- 2026-03-26
- Certified
- 2026-03-26
Frequently asked questions
- What is Joseph O'Brien's NPI number?
- Joseph O'Brien's National Provider Identifier (NPI) is 1417652561, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph O'Brien's specialty?
- Joseph O'Brien is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph O'Brien located?
- Joseph O'Brien's practice location on file with NPPES is 4401 Wornall Rd, Kansas City, MO 64111-3220.
- What is Joseph O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Joseph O'Brien is (816) 932-2000.
- Does Joseph O'Brien accept Medicare?
- Joseph 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 Joseph O'Brien's NPI active?
- Yes — Joseph O'Brien's NPI (1417652561) is active in the NPPES registry as of the last update on 2026-03-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.