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
- Entity
- Type 1 · individual
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
1% 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 3,519 among the 111,126 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.
22 family medicine physician records list a Williston practice address
They are 22 of the 429 NPPES records with a Williston practice address, and 416 family medicine physician records in Vermont.
All 22 in Williston → All 416 in Vermont → Every provider in Williston →
Other family medicine physician records in Vermont
- Lauren Adams, MDWilliston, VT1023695194
- Gordon Ahlers, MDMorrisville, VT1669490348
- John Ajamie, MDSt Johnsbury, VT1689637399
- Stuart Alexander, MDSouth Burlington, VT1700081312
- Kimona Alin, M.D.Townshend, VT1326038878
- Jeffery Allyn, M.D.Randolph, VT1386639516
- Jean Andersson-Swayze, M.D.Middlebury, VT1144354853
- Jessica AndrewsNewport, VT1043501372
- Kathryn ApplegateSouth Burlington, VT1285216408
- Robert Areson, MDRichmond, VT1982043030
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 3,519. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.