MRS. HOLLY ANN DUNCAN AU.D.
NPI 1902215502
Audiologist in Columbia, MD
About Mrs. Holly Ann Duncan Au.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. HOLLY ANN DUNCAN AU.D. (NPI 1902215502) is an individual audiologist in Columbia, Maryland, licensed in Maryland (01495) and active in the NPI registry since August 2014. She maintains 2 additional practice locations and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Locations 2
Other Identifiers 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
Mrs. Holly Ann Duncan Au.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.
Medicare Billing Reassignments
3Medicare enrollment records show Holly Duncan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Columbia, MD 21044
- Reassigned Medicare billing, Maryland enrollment
- 95 clinicians in this Medicare group
Columbia, MD 21046
- Reassigned Medicare billing, Maryland enrollment
- 352 clinicians in this Medicare group
Kensington, MD 20895
- Reassigned Medicare billing, District of Columbia enrollment
- 2,492 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21044 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
COLUMBIA, MD 21044
COLUMBIA, MD 21044
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 Holly Duncan's NPI number?
The NPI number for Holly Duncan is 1902215502. It was assigned to this individual provider in the NPPES registry on August 7, 2014. The provider is also known as Ms. Holly Ann Hoffman.
Where is Holly Duncan located?
Holly Duncan practices at 11085 Little Patuxent Pkwy Ste 101, Columbia, MD 21044. The listed phone number is (410) 760-8840.
What is Holly Duncan's specialty?
The primary specialty registered for this NPI is Audiologist with taxonomy code 231H00000X.
Is Holly Duncan enrolled in Medicare?
Yes. Holly Duncan 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 Holly Duncan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Holly Duncan reassigns Medicare benefits to 3 organizations: Johns Hopkins Regional Physicians LLC (Columbia, MD), Kennedy Krieger Associates (Columbia, MD) and Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Kensington, 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 Holly Duncan'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 Holly Duncan was last updated on December 16, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months 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.