Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MARY BARRETT AUD
NPI 1831611268
Audiologist in Rockville, MD

Active since July 07, 2017
83.06/100
CMS Quality Rating
9420 KEY WEST AVE STE 310, ROCKVILLE, MD 20850(301) 315-5888(301) 315-5866 Get Directions Write a Review

NPPES record last updated: September 22, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 22, 2026, Nov 4, 2025, Aug 13, 2024 and 2 more (5 updates tracked since 2017).

About Dr. Mary Barrett Aud NPPES

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

DR. MARY BARRETT AUD (NPI 1831611268) is an individual audiologist in Rockville, Maryland, licensed in Maryland (01536) and active in the NPI registry since July 2017. She maintains a secondary practice location in Gaithersburg and is a graduate of University Of Maryland School Of Medicine (2017).

NPPES Registry Identity

NPI1831611268
Entity TypeIndividualFemale
Primary Taxonomy231H00000X
Provider Legal NameDR. MARY BARRETTCredential: AUD
Location Address9420 KEY WEST AVE STE 310Rockville, MD 20850-6212
Mailing Address9420 Key West Ave Ste 310Rockville, MD 20850-6212
Fax(301) 315-5866
Sole ProprietorNo
Medical School CMSUniversity Of Maryland School Of MedicineGraduated 2017
Enumeration DateJuly 7, 2017
Last NPPES UpdateSeptember 22, 20265 updates tracked since enumeration
NPPES CertifiedSeptember 22, 2026
✔ NPI 1831611268 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAudiologistSpeech, Language and Hearing Service Providers
Taxonomy Code231H00000X
Licenses✔ Licensed in MD · 01536✔ Licensed in MI · 1601000784
Definition
(1) A specialist in evaluation, habilitation and rehabilitation of those whose communication disorders center in whole or in part in hearing function. Audiologists are autonomous professionals who identify, assess, and manage disorders of the auditory, balance and other neural systems. Audiologists provide audiological (aural) rehabilitation to children and adults across the entire age span. Audiologists select, fit and dispense amplification systems such as hearing aids and related devices. (2) An audiologist is a person qualified by a master's degree in audiology, licensed by the state, where applicable, and practicing within the scope of that license. Audiologists evaluate and treat patients with impaired hearing. They plan, direct and conduct rehabilitative programs with audiotry substitutional devises (hearing aids) and other therapy.
9420 KEY WEST AVE STE 310, Rockville, MD 20850

Secondary Practice Location 1

Location 1818 W Diamond Ave Ste 120Gaithersburg, MD 20878-1450 · Phone (301) 963-6334

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

Dr. Mary Barrett Aud 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 ID6800169376
PECOS Enrollment IDI20210113002861, I20220127001702

Areas of Expertise CMS Part B claims 3

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.

Comprehensive hearing and speech recognition test 92557
A comprehensive hearing and speech recognition test assesses your ability to hear and understand spoken words. It includes hearing tests to check for issues with sound perception and speech tests to evaluate your word recognition. It's a crucial step in identifying any hearing or speech problems.
398 services394 patients
Test to assess middle ear function 92567
A test to assess middle ear function, also known as an impedance audiometry, helps evaluate how well your middle ear works. It measures the movement of your eardrum in response to changes in air pressure. This can help identify issues like fluid build-up, ear infections, or eardrum perforations.
307 services305 patients
Test for hearing various pitches using earphone and device placed against the bone 92553
This is a hearing test that checks your ability to hear different pitches or frequencies. It involves wearing earphones and placing a device against your bone, usually behind the ear. It helps identify any hearing issues you might have.
13 services13 patients

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

83.06/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality68.66
Promoting Interoperability98
Improvement Activities40
Cost76.55

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Audiologist
9420 KEY WEST AVE STE 310
ROCKVILLE, MD 20850
Audiologist
9420 KEY WEST AVE STE 310
ROCKVILLE, MD 20850
Otolaryngology
9420 KEY WEST AVE STE 310
ROCKVILLE, MD 20850
Audiologist
9420 KEY WEST AVE STE 310
ROCKVILLE, MD 20850
Audiologist
9420 KEY WEST AVE STE 310
ROCKVILLE, MD 20850
Nurse Practitioner (Acute Care)
9420 KEY WEST AVE STE 310
ROCKVILLE, MD 20850
Audiologist
9420 KEY WEST AVE STE 310
ROCKVILLE, MD 20850
Otolaryngology
9420 KEY WEST AVE STE 310
ROCKVILLE, MD 20850

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 Mary Barrett's NPI number?

The NPI number for Mary Barrett is 1831611268. It was assigned to this individual provider in the NPPES registry on July 7, 2017.

Where is Mary Barrett located?

Mary Barrett practices at 9420 Key West Ave Ste 310, Rockville, MD 20850. The listed phone number is (301) 315-5888.

What is Mary Barrett's specialty?

The primary specialty registered for this NPI is Audiologist with taxonomy code 231H00000X.

Is Mary Barrett enrolled in Medicare?

Yes. Mary Barrett 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.

When was this NPI record last updated?

The NPPES record for Mary Barrett was last updated on September 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 days 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.