MARIAH ELIZABETH SMALL-O'SULLIVAN M.D.
NPI 1477085249
Otolaryngology in Hot Springs, AR

Active since March 31, 2017PECOS EnrolledAccepts Medicare Assignment
1 MERCY LN STE 106, HOT SPRINGS, AR 71913(501) 609-2368 Get Directions Write a Review

NPPES record last updated: May 20, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 20, 2022, Mar 31, 2017 (2 updates tracked since 2017).

About Mariah Elizabeth Small-o'sullivan M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARIAH ELIZABETH SMALL-O'SULLIVAN M.D. (NPI 1477085249) is an individual otolaryngology provider in Hot Springs, Arkansas, licensed in Arkansas (E-15155) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS and is a graduate of University Of Arkansas College Of Medicine (2017).

NPPES Registry Identity

NPI1477085249
Entity TypeIndividualFemale
Primary Taxonomy207Y00000X
Provider Legal NameMARIAH ELIZABETH SMALL-O'SULLIVANCredential: M.D.
Location Address1 MERCY LN STE 106Hot Springs, AR 71913-6408
Mailing AddressPo Box 21850Hot Springs, AR 71903-1850 · (501) 609-2368
Sole ProprietorNo
Medical School CMSUniversity Of Arkansas College Of MedicineGraduated 2017
Enumeration DateMarch 31, 2017
Last NPPES UpdateMay 20, 20222 updates tracked since enumeration
NPPES CertifiedMay 20, 2022
NPI 1477085249 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
License Licensed in AR · E-15155
Definition
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.
1 MERCY LN STE 106, Hot Springs, AR 71913

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mariah Elizabeth Small-o'sullivan M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4486923760
PECOS Enrollment IDI20220614001825, I20260203000832
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 15

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
163 services135 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
125 services102 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
113 services113 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
86 services86 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
69 services61 patients
Diagnostic exam of voice box using a flexible endoscope 31575
This procedure involves a doctor examining your voice box using a flexible endoscope, a thin tube with a light and camera. It's inserted through your nose or mouth to visualize your throat area. It helps detect any abnormalities in your voice box, ensuring optimal vocal health.
62 services60 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 71913 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$119.36 typical visit price
range $51.36 – $157.74
Typical copayment $29.84 (range $12.84 – $39.43)
Most-billed visit code 99204
Established Patient
$64.56 typical visit price
range $16.16 – $128.77
Typical copayment $16.14 (range $4.04 – $32.19)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mariah Small-o'sullivan's NPI number?

The NPI number for Mariah Small-o'sullivan is 1477085249. It was assigned to this individual provider in the NPPES registry on March 31, 2017.

Where is Mariah Small-o'sullivan located?

Mariah Small-o'sullivan practices at 1 Mercy Ln Ste 106, Hot Springs, AR 71913. The listed phone number is (501) 609-2368.

What is Mariah Small-o'sullivan's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is Mariah Small-o'sullivan enrolled in Medicare?

Yes. Mariah Small-o'sullivan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Mariah Small-o'sullivan accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Louisiana Healthcare Connections, Ambetter from Magnolia Health and Ambetter from Superior HealthPlan and 5 other insurers list Mariah Small-o'sullivan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mariah Small-o'sullivan was last updated on May 20, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.