Sean Dornbush, DO
NPI 1538798236 · Hospitalist Physician · Orange, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sean Dornbush, DO is a Hospitalist Physician provider in Orange, CA (NPI 1538798236).
Provider details
- NPI number
- 1538798236
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 20A22591 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
6 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
- 2020-04-04
- Last updated
- 2024-07-22
- Certified
- 2024-07-22
Frequently asked questions
- What is Sean Dornbush's NPI number?
- Sean Dornbush's National Provider Identifier (NPI) is 1538798236, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sean Dornbush's specialty?
- Sean Dornbush is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Sean Dornbush located?
- Sean Dornbush's practice location on file with NPPES is 101 the City Dr S, Orange, CA 92868-3201.
- What is Sean Dornbush's phone number?
- The practice phone number listed in the NPPES registry for Sean Dornbush is (714) 456-8888.
- Does Sean Dornbush accept Medicare?
- Sean Dornbush is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sean Dornbush's NPI active?
- Yes — Sean Dornbush's NPI (1538798236) is active in the NPPES registry as of the last update on 2024-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.