NPPES file of Aug 9, 2026

Holly Ann Duncan, AU.D.

Audiologist · Columbia, MD

Holly Ann Duncan, AU.D. is an audiologist with a practice address in Columbia, Maryland, and NPI 1902215502, issued on Aug 7, 2014. Check the license (Maryland 01495, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1902215502
Name
Holly Ann Duncan
Credential
AU.D.
Primary taxonomy
Audiologist 231H00000X
License numbers
01495 MD
AUD.0000717 CO
AUD200001204 DC
Self-reported in NPPES; status is on the state search
Practice location
11085 Little Patuxent Pkwy Ste 101, Columbia, MD 21044
Phone
(410) 760-8840
Enumerated
Aug 7, 2014
Record last updated
Dec 16, 2024
Fax
(410) 367-2464
Medicaid ID
19879067 CO
Medicare enrollment
Enrolled (PECOS I20240112002819); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest audiologist records → All 519 in Maryland → Look up another NPI →

Also registered at 11085 Little Patuxent Pkwy Ste 101

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lynn Navarre, P.T.Physical Therapist1891715660
  2. Muyinat OsobaOtolaryngology Physician1982100525

Verify Holly Ann Duncan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license 01495    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Maryland license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Johns Hopkins Regional Physicians LLCColumbia, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Holly Ann Duncan among 519 audiologist records in Maryland

Holly Ann Duncan, AU.D. is one of 519 audiologist records with a practice address in Maryland. 43% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 52% of them.

  • NPI issued2014 · 52% of these records are older, 44% newer
  • In a Medicare fileYes · 43% of these records are
  • In the CMS Doctors and Clinicians fileYes · 46% of these records are
  • Graduated2014 · median 2014 among the 241 with a school on file
  • Record last updated2024 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 231H00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Audiologist providers in Maryland

There are 519 audiologist records in Maryland.

All 519 in Maryland → Every provider in Columbia → Audiologist nationwide →

The 8 audiologist records with the nearest ZIP codes

  1. Kendell Adson, AU.D.Columbia, MD 210441376476945
  2. Krystle Bove, AU.D.Columbia, MD 210441134479975
  3. Holly Coffman, AU.D.Columbia, MD 210441528595618
  4. Theresa LechlitnerColumbia, MD 210441548813025
  5. Amber Rosen, AU.D.Columbia, MD 210441083969158
  6. Lisa Bragg, AU.D.Ellicott City, MD 210431548523228
  7. Emilie Carney, AUDEllicott City, MD 210431760623250
  8. Mary Carson, AU.D.Ellicott City, MD 210431184945776

Common questions

What is Holly Ann Duncan, AU.D.'s NPI number?

Holly Ann Duncan, AU.D.'s National Provider Identifier (NPI) is 1902215502, issued on Aug 7, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Holly Ann Duncan, AU.D. located?

The NPPES record lists a practice address at 11085 Little Patuxent Pkwy Ste 101, Columbia, MD, 21044. Phone: (410) 760-8840. Providers update this record themselves, so call before visiting.

How can I verify Holly Ann Duncan, AU.D.'s license?

NPPES lists Maryland license number 01495, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.