Catherine Anne Ayers, M.D.
Family Medicine Physician · Vergennes, VT
Catherine Anne Ayers, M.D. is a family medicine physician with a practice address in Vergennes, Vermont, and NPI 1114269503, issued on Mar 23, 2013. Check the license (Vermont 042-0014391, as entered in NPPES) on the Vermont Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Catherine Anne Ayers
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 042-0014391 VT
2016-01807 NC
Self-reported in NPPES; status is on the state search - Practice location
- 10 North St, Vergennes, VT 05491
- Phone
- (802) 877-3466
- Enumerated
- Mar 23, 2013
- Record last updated
- Oct 9, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20191108002894); accepts Medicare assignment
- Medical or professional school
- University Of Vermont College Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 443 in Vermont → Look up another NPI →
Also registered at 10 North St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Timothy Bicknell, MDFamily Medicine Physician1801885298
- Christin Bland, FNPFamily Nurse Practitioner1174817852
- Dylan Estes, M.D.Family Medicine Physician1003278144
- Karen Fromhold, M.D.General Practice Physician1609018621
- Kate GeschwindFamily Medicine Physician1699356576
- Daniel Huber, M.D.Family Medicine Physician1164491221
Verify Catherine Anne Ayers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVermont Board of Medical Practice
Search for license 042-0014391Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% more Medicare Part D claims than the average family medicine physician in 2024
4,193 Medicare Part D claims for 313 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 183 claims were for opioids.
Most prescribed
- Atorvastatin Calcium229 claims
- Losartan Potassium151 claims
- Gabapentin143 claims
- Omeprazole138 claims
- Levothyroxine Sodium135 claims
- Lisinopril134 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
One hospital affiliation
- Porter Hospital IncMiddlebury, VT · Critical Access Hospitals3 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Catherine Anne Ayers among 443 family medicine physician records in Vermont
Catherine Anne Ayers, M.D. is one of 443 family medicine physician records with a practice address in Vermont. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 78% of them.
- NPI issued2013 · 78% of these records are older, 20% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2013 · median 2005 among the 280 with a school on file
- Record last updated2019 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Vermont practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 family medicine physician records list a practice address in Vergennes
They are 8 of the 48 NPPES records with a practice address in Vergennes, and 443 family medicine physician records in Vermont.
All 443 in Vermont → Every provider in Vergennes → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Timothy Bicknell, MDVergennes, VT 054911801885298
- Dylan Estes, M.D.Vergennes, VT 054911003278144
- Liam Gannon, MDVergennes, VT 054911780648691
- Kate GeschwindVergennes, VT 054911699356576
- Daniel Huber, M.D.Vergennes, VT 054911164491221
- Jennifer Kaufman, MDVergennes, VT 054911063643518
- Donald Robinson, MDVergennes, VT 054911750346326
- Tram Lam, DNP, FNP-CSwanton, VT 054881114884426
Common questions
What is Catherine Anne Ayers, M.D.'s NPI number?
Catherine Anne Ayers, M.D.'s National Provider Identifier (NPI) is 1114269503, issued on Mar 23, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Anne Ayers, M.D. located?
The NPPES record lists a practice address at 10 North St, Vergennes, VT, 05491. Phone: (802) 877-3466. Providers update this record themselves, so call before visiting.
How can I verify Catherine Anne Ayers, M.D.'s license?
NPPES lists Vermont license number 042-0014391, as entered by the provider. Search the Vermont Board of Medical Practice at https://www.healthvermont.gov/systems/board-medical-practice. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Catherine Anne Ayers, M.D. prescribe under Medicare Part D?
In 2024, Catherine Anne Ayers, M.D. had 4,193 Medicare Part D claims for 313 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions 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.