DR. MARY BARRETT AUD
NPI 1831611268
Audiologist in Rockville, MD
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
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
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.
Medicare Billing Reassignments
2Medicare enrollment records show Mary Barrett reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Herndon, VA 20170
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 16 clinicians in this Medicare group
Baltimore, MD 21204
- Reassigned Medicare billing, District of Columbia enrollment
- 60 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20850 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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.
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.
Which organizations bill Medicare for Mary Barrett's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Barrett reassigns Medicare benefits to 2 organizations: Johns Hopkins Regional Physicians LLC (Herndon, VA) and Centers For Advanced Ent Care, LLC (Baltimore, MD). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mary Barrett's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
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 38 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.
# Dr. Mary Barrett, AUD · NPI 1831611268
Audiologist provider in Rockville, Maryland. Individual provider, active in the CMS NPPES registry since July 7, 2017.
## Identity
- **NPI:** 1831611268 (Entity type: Individual)
- **Enumerated:** July 7, 2017
- **Primary specialty:** Audiologist · taxonomy 231H00000X
- **State license:** 01536 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 9420 KEY WEST AVE STE 310, Rockville, MD 20850-6212
- **Phone:** (301) 315-5888 · **Fax:** (301) 315-5866
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Johns Hopkins Regional Physicians LLC (NPI 1245975796, Herndon, VA); Centers For Advanced Ent Care, LLC (NPI 1447781620, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Maryland School Of Medicine, class of 2017
## Record status
- **NPPES last updated:** September 22, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1831611268) · Data from the CMS NPPES public registry.