Isabelle Desjardins, M.D.
Psychiatry Physician · Williston, VT
Isabelle Desjardins, M.D. is a psychiatry physician with a practice address in Williston, Vermont, and NPI 1497770374, issued on Jul 13, 2006. Check the license (Vermont 0420010605, as entered in NPPES) on the Vermont Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Isabelle Desjardins
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 0420010605 VT
Self-reported in NPPES; status is on the state search - Practice location
- 155 Hanon Dr, Williston, VT 05495
- Phone
- (802) 288-9919
- Enumerated
- Jul 13, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid IDs
- 02458464 NY
1007394 VT - Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 203 in Vermont → Look up another NPI →
Verify Isabelle Desjardins in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVermont Board of Medical Practice
Search for license 0420010605Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 100% of the cost of the top drugs
21 Medicare Part D claims for 21 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% of claims.
Most prescribed
Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.
- Abrysvo20 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.
Isabelle Desjardins among 203 psychiatry physician records in Vermont
Isabelle Desjardins, M.D. is one of 203 psychiatry physician records with a practice address in Vermont. 62% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 50% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileNo · 48% of these records are
- Record last updated2007 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Vermont practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 psychiatry physician records list a practice address in Williston
They are 7 of the 429 NPPES records with a practice address in Williston, and 203 psychiatry physician records in Vermont.
All 203 in Vermont → Every provider in Williston → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- David Allan, M.D.Williston, VT 054951033258850
- Erin Hall, M.D.Williston, VT 054951932329604
- Smita Lahoti, M.B.B.S.Williston, VT 054951306377486
- Susan Legacy, MDWilliston, VT 054951114076163
- Kyle Monahan, MDWilliston, VT 054951598269565
- Mark Schultz, M.D.Williston, VT 054951689780660
- Robert Balaban, M.D.Shelburne, VT 054821497713341
- Cynthia Frimpong, NPShelburne, VT 054821457966251
Common questions
What is Isabelle Desjardins, M.D.'s NPI number?
Isabelle Desjardins, M.D.'s National Provider Identifier (NPI) is 1497770374, issued on Jul 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Isabelle Desjardins, M.D. located?
The NPPES record lists a practice address at 155 Hanon Dr, Williston, VT, 05495. Phone: (802) 288-9919. Providers update this record themselves, so call before visiting.
How can I verify Isabelle Desjardins, M.D.'s license?
NPPES lists Vermont license number 0420010605, 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 Isabelle Desjardins, M.D. prescribe under Medicare Part D?
In 2024, Isabelle Desjardins, M.D. had 21 Medicare Part D claims for 21 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.