Mariah Small-O'sullivan M.D.
About this NPIWhat this record shows.
NPI 1477085249 is registered to Mariah Small-O'sullivan M.D., a Otolaryngology Physician practising at 1 Mercy Ln Ste 106 in Hot Springs, Arkansas. Otolaryngology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Mariah Small-O'sullivan M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2017.
Your brand here.
Medicare enrollment
This provider holds 2 Medicare enrollments on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20220614001825OtolaryngologyAR
- I20260203000832OtolaryngologyWI
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Mariah Small-O'sullivan M.D. accepts. To confirm in-network status with your specific health plan, contact Mariah Small-O'sullivan M.D. directly at (501) 609-2368.
Frequently asked
Yes. NPI 1477085249 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Otolaryngology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (501) 609-2368.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Mariah Small-O'sullivan M.D. is a Type-1 individual NPI.