Zachary Clark, DO
Emergency Medicine Physician · Burlington, VT
Zachary Clark, DO is an emergency medicine physician with a practice address in Burlington, Vermont, and NPI 1649973215, issued on Mar 23, 2023. Check the license (Vermont 032.0134304, as entered in NPPES) on the Vermont Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Zachary Clark
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 032.0134304 VT
343553 NY
Self-reported in NPPES; status is on the state search - Practice location
- 111 Colchester Ave, Burlington, VT 05401
- Phone
- (802) 847-2345
- Enumerated
- Mar 23, 2023
- Record last updated
- Jun 26, 2026
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 197 in Vermont → Look up another NPI →
Also registered at 111 Colchester Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Brittney Accavallo, RNNeonatal Nurse Practitioner1083255459
- Daniel Ackil, DOEmergency Medicine Physician1033558879
- Rachel Adelsheim, MDStudent in an Organized Health Care Education/Training Program1700589637
- Steven Ades, MDHematology & Oncology Physician1972796167
Verify Zachary Clark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVermont Board of Medical Practice
Search for license 032.0134304Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average emergency medicine physician in 2024
29 Medicare Part D claims for 23 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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.
Zachary Clark among 197 emergency medicine physician records in Vermont
Zachary Clark, DO is one of 197 emergency 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 2023, is newer than 98% of them.
- NPI issued2023 · 98% of these records are older, 0% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 56% of these records are
- Record last updated2026 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Vermont practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
79 emergency medicine physician records list a practice address in Burlington
They are 79 of the 3,455 NPPES records with a practice address in Burlington, and 197 emergency medicine physician records in Vermont.
All 197 in Vermont → Every provider in Burlington → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- William Baker, MDBurlington, VT 054011407828296
- Mark Bisanzo, MDBurlington, VT 054011740249226
- Harry Chen, MDBurlington, VT 054011861422321
- David Clauss, M.D.Burlington, VT 054011093733131
- John Ellis, MDBurlington, VT 054011053370858
- Richard Hudson, M.D.Burlington, VT 054011033137179
- Ray Keller, M.D.Burlington, VT 054011831121748
- Stephen Leffler, M.D.Burlington, VT 054011386669125
Common questions
What is Zachary Clark, DO's NPI number?
Zachary Clark, DO's National Provider Identifier (NPI) is 1649973215, issued on Mar 23, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Zachary Clark, DO located?
The NPPES record lists a practice address at 111 Colchester Ave, Burlington, VT, 05401. Phone: (802) 847-2345. Providers update this record themselves, so call before visiting.
How can I verify Zachary Clark, DO's license?
NPPES lists Vermont license number 032.0134304, 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 Zachary Clark, DO prescribe under Medicare Part D?
In 2024, Zachary Clark, DO had 29 Medicare Part D claims for 23 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.