Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Sean Robert Dornbush, DO

Individual provider Internal Medicine Physician · NPI 1538798236

Sean Robert Dornbush, DO is a Pediatric Medicine in Orange, California. Graduated from Lincoln Mem Univ, Debusk Col of Osteopathic Med in 2020, 6 years ago. Practices with The Regents of the University of California-Irvine, a 104-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
6
Trained at
Lincoln Mem Univ, Debusk Col of Osteopathic Med
Licensed in
CA
In the registry since
2020
Specialties on file
3
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

101 The City Dr S
Orange, CA 92868-3201
Phone: (714) 456-8888
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 20A22591 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 20A22591 (CA)
Pediatrics Physician Taxonomy 208000000X · Licence 20A22591 (CA)

Record details

NPI number1538798236
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 4, 2020
Last updated in NPPESJuly 22, 2024
Certification dateJuly 22, 2024
Mailing address200 S Manchester Ave Ste 300, Orange, CA 92868-3219

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPEDIATRIC MEDICINE
Medical schoolLINCOLN MEM UNIV, DEBUSK COL OF OSTEOPATHIC MED
Graduated 2020 (6 years in practice)
Group practice The Regents Of The University Of California-Irvine — 104 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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