Jan Ferris, D.O.
Family Medicine Physician · Williston, VT
Jan Ferris, D.O. is a family medicine physician with a practice address in Williston, Vermont, and NPI 1588774608, issued on Aug 30, 2006. Check the license (Vermont 0320000431, as entered in NPPES) on the Vermont Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Jan Ferris
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 0320000431 VT
Self-reported in NPPES; status is on the state search - Practice location
- 28 Park Ave, Williston, VT 05495
- Phone
- (802) 878-1008
- Enumerated
- Aug 30, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (802) 872-2679
- Medicaid ID
- 0VN1022 VT
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 443 in Vermont → Look up another NPI →
Also registered at 28 Park Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Molly Backup, PAMedical Physician Assistant1700972486
- Danielle Beaudoin, AGNPAdult Health Nurse Practitioner1326497306
- Diane Collias, LICSWClinical Social Worker1396382628
- James Dougherty, M.D.Family Medicine Physician1629188750
- Meaghan GoodheartAthletic Trainer1386373397
- Danielle JasinskiFamily Medicine Physician1518457746
Verify Jan Ferris in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVermont Board of Medical Practice
Search for license 0320000431Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2% fewer Medicare Part D claims than the average family medicine physician in 2024
3,486 Medicare Part D claims for 269 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 188 claims were for opioids.
Most prescribed
- Atorvastatin Calcium178 claims
- Levothyroxine Sodium172 claims
- Losartan Potassium171 claims
- Lisinopril95 claims
- Gabapentin91 claims
- Omeprazole91 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.
Jan Ferris among 443 family medicine physician records in Vermont
Jan Ferris, D.O. 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 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 43% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2007 · 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).
20 family medicine physician records list a practice address in Williston
They are 20 of the 429 NPPES records with a practice address in Williston, and 443 family medicine physician records in Vermont.
All 443 in Vermont → Every provider in Williston → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Pamela Dawson, MDWilliston, VT 054951174631915
- Mary Dill, MDWilliston, VT 054951700971728
- Harley Donnelly, MDWilliston, VT 054951417967787
- James Dougherty, M.D.Williston, VT 054951629188750
- Jeffrey Haddock, M.D,Williston, VT 054951861418782
- Michael Johnson, M.D.Williston, VT 054951336158252
- Stephen Mann, MDWilliston, VT 054951225146954
- Susan Rabin, MDWilliston, VT 054951285644450
Common questions
What is Jan Ferris, D.O.'s NPI number?
Jan Ferris, D.O.'s National Provider Identifier (NPI) is 1588774608, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jan Ferris, D.O. located?
The NPPES record lists a practice address at 28 Park Ave, Williston, VT, 05495. Phone: (802) 878-1008. Providers update this record themselves, so call before visiting.
How can I verify Jan Ferris, D.O.'s license?
NPPES lists Vermont license number 0320000431, 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 Jan Ferris, D.O. prescribe under Medicare Part D?
In 2024, Jan Ferris, D.O. had 3,486 Medicare Part D claims for 269 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.