NPPES file of Aug 9, 2026

Allyson Deborah Bull, AU.D.

Audiologist · Olney, MD

Allyson Deborah Bull, AU.D. is an audiologist with a practice address in Olney, Maryland, and NPI 1568745750, issued on Sep 23, 2011. Check the license (Maryland 01237, 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
1568745750
Name
Allyson Deborah Bull
Credential
AU.D.
Primary taxonomy
Audiologist 231H00000X
License number
01237 MD
Self-reported in NPPES; status is on the state search
Practice location
18111 Prince Philip Dr, Olney, MD 20832
Phone
(301) 774-0074
Enumerated
Sep 23, 2011
Record last updated
Nov 4, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20170324001294); 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 18111 Prince Philip Dr

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

  1. Morris Albert, MDPediatrics Physician1013951904
  2. Dagmar Arnold, MDEndocrinology, Diabetes & Metabolism Physician1881649432
  3. Dilip Arwindekar, M.D.Vascular & Interventional Radiology Physician1740220110
  4. Paul Bannen, MDHematology & Oncology Physician1942392899
  5. Larry Bernstein, M.D.Diagnostic Radiology Physician1538299292
  6. Dawn Broderick, M.D.Internal Medicine Physician1801899489

Verify Allyson Deborah Bull 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 01237    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. Centers For Advanced Ent Care LLCOlney, MD

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

Allyson Deborah Bull among 519 audiologist records in Maryland

Allyson Deborah Bull, 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 2011, is newer than 43% of them.

  • NPI issued2011 · 43% of these records are older, 53% newer
  • In a Medicare fileYes · 43% of these records are
  • In the CMS Doctors and Clinicians fileYes · 46% of these records are
  • Graduated2011 · median 2014 among the 241 with a school on file
  • Record last updated2016 · 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).

8 audiologist records list a practice address in Olney

They are 8 of the 742 NPPES records with a practice address in Olney, and 519 audiologist records in Maryland.

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

The 8 audiologist records with the nearest ZIP codes

  1. Kathryn Balestino-Estes, AU.D.Olney, MD 208321124278874
  2. Rita Ball Murphy, AUDOlney, MD 208321588088199
  3. Melanie Birck, AUDOlney, MD 208321457501793
  4. Jeffrey Davies, PH.D.Olney, MD 208321376753509
  5. Karen Glickman, M.A., CCC-AOlney, MD 208321841790169
  6. Julie Rorrer, AU.D.Olney, MD 208321841663622
  7. Laura Toll, AU.D.Olney, MD 208321558692186
  8. Lina Kubli, M.A.Bethesda, MD 208171467479980

Common questions

What is Allyson Deborah Bull, AU.D.'s NPI number?

Allyson Deborah Bull, AU.D.'s National Provider Identifier (NPI) is 1568745750, issued on Sep 23, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Allyson Deborah Bull, AU.D. located?

The NPPES record lists a practice address at 18111 Prince Philip Dr, Olney, MD, 20832. Phone: (301) 774-0074. Providers update this record themselves, so call before visiting.

How can I verify Allyson Deborah Bull, AU.D.'s license?

NPPES lists Maryland license number 01237, 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.