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

Sydney Miller O'Brien

Individual provider Emergency Medicine Physician · NPI 1689319170

Sydney Miller O'Brien is an Emergency Medicine in Royal Oak, Michigan. Graduated from Michigan State University College of Osteopathic Medicine in 2022, 4 years ago. Practices with Beaumont Medical Group Hospital Based Services, a 572-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
4
Trained at
Michigan State University College of Osteopathic Medicine
Licensed in
MI
In the registry since
2022
Specialties on file
2
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Practice location Address checks out

3601 W 13 Mile Rd
Royal Oak, MI 48073-6712
Phone: (248) 898-5000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 5101028447 (MI)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 5151015471 (MI)

Record details

NPI number1689319170
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedApril 29, 2022
Last updated in NPPESFebruary 24, 2026
Certification dateFebruary 24, 2026
Mailing address3601 W 13 Mile Rd, Royal Oak, MI 48073-6712

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolMICHIGAN STATE UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 2022 (4 years in practice)
Group practice Beaumont Medical Group Hospital Based Services — 572 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Other providers in Royal Oak