Sean O'Mara, MD
NPI 1841242963 · Emergency Medicine Physician · Leesburg, VA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sean O'Mara, MD is a Emergency Medicine Physician provider in Leesburg, VA (NPI 1841242963).
Provider details
- NPI number
- 1841242963
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 0101239452 (VA)
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
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
- 2006-05-17
- Last updated
- 2012-05-07
Frequently asked questions
- What is Sean O'Mara's NPI number?
- Sean O'Mara's National Provider Identifier (NPI) is 1841242963, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sean O'Mara's specialty?
- Sean O'Mara is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sean O'Mara located?
- Sean O'Mara's practice location on file with NPPES is 161 Fort Evans Rd Ne Ste255, Leesburg, VA 20176.
- What is Sean O'Mara's phone number?
- The practice phone number listed in the NPPES registry for Sean O'Mara is (703) 962-6721.
- Does Sean O'Mara accept Medicare?
- Sean O'Mara is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sean O'Mara's NPI active?
- Yes — Sean O'Mara's NPI (1841242963) is active in the NPPES registry as of the last update on 2012-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.