James O'Brien, M.D.
NPI 1528017746 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Kansas City, MO
Enrolled with Medicare as Practitioner - Cardiac Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James O'Brien, M.D. is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Kansas City, MO (NPI 1528017746).
Provider details
- NPI number
- 1528017746
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 0436344 (KS)
Specialties & taxonomies
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianPrimary208G00000XLicense 2001013807 (MO)
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-05-06
- Last updated
- 2025-11-25
- Certified
- 2025-11-25
Frequently asked questions
- What is James O'Brien's NPI number?
- James O'Brien's National Provider Identifier (NPI) is 1528017746, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James O'Brien's specialty?
- James O'Brien is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is James O'Brien located?
- James O'Brien's practice location on file with NPPES is 2401 Gillham Rd, Kansas City, MO 64108-4619.
- What is James O'Brien's phone number?
- The practice phone number listed in the NPPES registry for James O'Brien is (816) 234-3000.
- Does James O'Brien accept Medicare?
- James 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 James O'Brien's NPI active?
- Yes — James O'Brien's NPI (1528017746) is active in the NPPES registry as of the last update on 2025-11-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.