Michael O'Byrne, M.D.
NPI 1891992152 · Pediatric Cardiology Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael O'Byrne, M.D. is a Pediatric Cardiology Physician provider in Philadelphia, PA (NPI 1891992152).
Provider details
- NPI number
- 1891992152
- Entity type
- Individual
- Primary specialty
- Pediatric Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD439352 (PA)
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
18 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
- 2007-06-29
- Last updated
- 2013-11-18
Frequently asked questions
- What is Michael O'Byrne's NPI number?
- Michael O'Byrne's National Provider Identifier (NPI) is 1891992152, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael O'Byrne's specialty?
- Michael O'Byrne is listed in the NPPES registry with a primary specialty of Pediatric Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael O'Byrne located?
- Michael O'Byrne's practice location on file with NPPES is 3401 Civic Center Blvd, Philadelphia, PA 19104-4319.
- What is Michael O'Byrne's phone number?
- The practice phone number listed in the NPPES registry for Michael O'Byrne is (215) 590-1000.
- Does Michael O'Byrne accept Medicare?
- Michael O'Byrne is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael O'Byrne's NPI active?
- Yes — Michael O'Byrne's NPI (1891992152) is active in the NPPES registry as of the last update on 2013-11-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.