Robert W. Duncan, M.D.
Psychiatry Physician · Montpelier, VT
Robert W. Duncan, M.D. is a psychiatry physician with a practice address in Montpelier, Vermont, and NPI 1851443428, issued on Jan 17, 2007. Check the license (Vermont 0420008328, as entered in NPPES) on the Vermont Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Robert W. Duncan
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 0420008328 VT
Self-reported in NPPES; status is on the state search - Practice location
- 9 Heaton St, Montpelier, VT 05602
- Phone
- (802) 223-6328
- Enumerated
- Jan 17, 2007
- Record last updated
- Feb 23, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (802) 229-8004
- Medicaid ID
- 0VN0139 VT
- Medicare enrollment
- Enrolled (PECOS I20060313000509); accepts Medicare assignment
- Medical or professional school
- University Of Vermont College Of Medicine, 1987
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 203 in Vermont → Look up another NPI →
Also registered at 9 Heaton St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carly Abrams, BACase Manager/Care Coordinator1093647422
- Jada AnairCase Manager/Care Coordinator1598691883
- Derrick Blodgett, BACase Manager/Care Coordinator1861322844
- Margaret Bolton, M.D.Psychiatry Physician1063438000
- Patricia Bostock, RNRegistered Nurse1306774328
- Emily Coletti, BAStudent in an Organized Health Care Education/Training Program1730056680
Verify Robert W. Duncan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVermont Board of Medical Practice
Search for license 0420008328Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.7 times the Medicare Part D claims of the average psychiatry physician in 2024
4,697 Medicare Part D claims for 166 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Olanzapine375 claims
- Risperidone373 claims
- Quetiapine Fumarate359 claims
- Clonazepam333 claims
- Clozapine284 claims
- Sertraline Hcl267 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.
Robert W. Duncan among 203 psychiatry physician records in Vermont
Robert W. Duncan, 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 2007, is newer than 50% of them.
- NPI issued2007 · 50% of these records are older, 34% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated1987 · median 2005 among the 97 with a school on file
- Record last updated2012 · 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).
14 psychiatry physician records list a practice address in Montpelier
They are 14 of the 415 NPPES records with a practice address in Montpelier, and 203 psychiatry physician records in Vermont.
All 203 in Vermont → Every provider in Montpelier → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Kenneth Adler, MDBerlin, VT 056021417976887
- Harlow Ballard, MDMontpelier, VT 056021154416774
- Margaret Bolton, M.D.Montpelier, VT 056021063438000
- Paul Cameron, MDBerlin, VT 056021760403513
- Stuart Graves, MDMontpelier, VT 056021821005786
- Alicia Groft, M.D.Berlin, VT 056021598874570
- Ryosuke Kawatsuji, M.D.Berlin, VT 056021134215940
- Justin Knapp, M.D.Berlin, VT 056021336242528
Common questions
What is Robert W. Duncan, M.D.'s NPI number?
Robert W. Duncan, M.D.'s National Provider Identifier (NPI) is 1851443428, issued on Jan 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Robert W. Duncan, M.D. located?
The NPPES record lists a practice address at 9 Heaton St, Montpelier, VT, 05602. Phone: (802) 223-6328. Providers update this record themselves, so call before visiting.
How can I verify Robert W. Duncan, M.D.'s license?
NPPES lists Vermont license number 0420008328, 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 Robert W. Duncan, M.D. prescribe under Medicare Part D?
In 2024, Robert W. Duncan, M.D. had 4,697 Medicare Part D claims for 166 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.