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

Mrs. Holly Ann Duncan, AUD

Individual provider Audiologist · NPI 1902215502

Mrs. Holly Ann Duncan, AUD is a Qualified Audiologist in Columbia, Maryland. Qualified in 2014, 12 years ago. Practices with Johns Hopkins Regional Physicians LLC, a 83-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Colorado, District of Columbia and Maryland.

Years since qualifying
12
Licensed in
CO, DC, MD
In the registry since
2014
Specialties on file
4
What do these letters mean?
AUD — Doctor of Audiology
A hearing specialist who tests hearing and fits hearing aids.

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Practice location Address checks out

11085 Little Patuxent Pkwy Ste 101
Columbia, MD 21044-2914
Phone: (410) 760-8840
Fax: (410) 367-2464
Show map & directions

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

Additional practice locations (2)

  • 13123 E 16th Ave, Aurora, CO 80045-7106 — (720) 478-2367
  • 802 Landmark Dr Ste 119, Glen Burnie, MD 21061-9121 — (410) 760-8840

Specialties & licences

Audiologist (primary) Taxonomy 231H00000X · Licence 01495 (MD)
Audiologist Taxonomy 231H00000X · Licence AUD.0000717 (CO)
Audiologist Taxonomy 231H00000X · Licence AUD200001204 (DC)
Audiologist-Hearing Aid Fitter Taxonomy 237600000X · Licence AUD.0000717 (CO)

Record details

NPI number1902215502
Entity typeIndividual (Type 1)
GenderFemale
Credentials AUD
Sole proprietorNo
NPI enumeratedAugust 7, 2014
Last updated in NPPESDecember 16, 2024
Certification dateDecember 16, 2024

Medicare enrollment

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

Medicare specialtyQUALIFIED AUDIOLOGIST
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Johns Hopkins Regional Physicians Llc — 83 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Other providers in Columbia