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

Mariah Elizabeth Small-O'Sullivan, MD

Individual provider Otolaryngology Physician · NPI 1477085249

Mariah Elizabeth Small-O'Sullivan, MD is an Otolaryngology in Hot Springs, Arkansas. Graduated from University of Arkansas College of Medicine in 2017, 9 years ago. Practices with CHI St Vincent Medical Group Hot Springs, a 183-clinician group and accepts Medicare assignment. Licensed in Arkansas.

Years since qualifying
9
Trained at
University of Arkansas College of Medicine
Licensed in
AR
In the registry since
2017
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1 Mercy Ln Ste 106
Hot Springs, AR 71913-6408
Phone: (501) 609-2368
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence E-15155 (AR)

Record details

NPI number1477085249
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 31, 2017
Last updated in NPPESMay 20, 2022
Certification dateMay 20, 2022

Medicare enrollment

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

Medicare specialtyOTOLARYNGOLOGY
Medical schoolUNIVERSITY OF ARKANSAS COLLEGE OF MEDICINE
Graduated 2017 (9 years in practice)
Group practice Chi St Vincent Medical Group Hot Springs — 183 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Hot Springs