NPPES file of Aug 9, 2026

Mary Catherine Chalmers, MS

Audiologist · Warrenton, VA

Mary Catherine Chalmers, MS is an audiologist with a practice address in Warrenton, Virginia, and NPI 1265554208, issued on Apr 3, 2007. Check the license (Virginia 2201001174, as entered in NPPES) with the Virginia 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
1265554208
Name
Mary Catherine Chalmers
Credential
MS
Primary taxonomy
Audiologist 231H00000X
License number
2201001174 VA
Self-reported in NPPES; status is on the state search
Practice location
550 Hospital Drive, Warrenton, VA 20186
Phone
(540) 347-0505
Enumerated
Apr 3, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(540) 347-5224
Medicare enrollment
Enrolled (PECOS I20120618000392); 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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Also registered at 550 Hospital Drive

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

  1. Christopher Chang, MDOtolaryngology Physician1649234824
  2. David Phillips, MDOtolaryngology Physician1700846078

Verify Mary Catherine Chalmers in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Virginia board licenses this profession
    Search for license 2201001174
    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 Virginia 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. Mle Pastore LLCGainesville, VA

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

Mary Catherine Chalmers among 512 audiologist records in Virginia

Mary Catherine Chalmers, MS is one of 512 audiologist records with a practice address in Virginia. 41% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 23% of them.

  • NPI issued2007 · 23% of these records are older, 64% newer
  • In a Medicare fileYes · 41% of these records are
  • In the CMS Doctors and Clinicians fileYes · 44% of these records are
  • Graduated2010 · median 2011 among the 223 with a school on file
  • Record last updated2007 · 59% 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 Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Audiologist providers in Virginia

There are 512 audiologist records in Virginia.

The 8 audiologist records with the nearest ZIP codes

  1. Allison Croushorn, AUDWarrenton, VA 201861063256808
  2. Ariana Braganza, AUDReston, VA 201901558046672
  3. Hannah Kim, AU.D., CCC-AReston, VA 201901811276991
  4. Rachel Moldenhauer, AU.D.Reston, VA 201901326777848
  5. Bhama Pathak, MA CCCAReston, VA 201901881787182
  6. Christine SofieReston, VA 201901376719245
  7. Cameron BolinderReston, VA 201911114852043
  8. Sarah Kolling, AU.D.Reston, VA 201911528994639

Common questions

What is Mary Catherine Chalmers, MS's NPI number?

Mary Catherine Chalmers, MS's National Provider Identifier (NPI) is 1265554208, issued on Apr 3, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mary Catherine Chalmers, MS located?

The NPPES record lists a practice address at 550 Hospital Drive, Warrenton, VA, 20186. Phone: (540) 347-0505. Providers update this record themselves, so call before visiting.

How can I verify Mary Catherine Chalmers, MS's license?

NPPES lists Virginia license number 2201001174, as entered by the provider. Search the Virginia 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.

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.