Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ZACHARY CLARK DO
NPI 1649973215
Emergency Medicine in Burlington, VT

Active since March 23, 2023PECOS Enrolled
111 COLCHESTER AVE, BURLINGTON, VT 05401(802) 847-2345 Get Directions Write a Review

NPPES record last updated: October 22, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Zachary Clark Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ZACHARY CLARK DO (NPI 1649973215) is an individual emergency medicine provider in Burlington, Vermont, licensed in Vermont (032.0134304) and active in the NPI registry since March 2023. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1649973215
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameZACHARY CLARKCredential: DO
Location Address111 COLCHESTER AVEBurlington, VT 05401-1473
Mailing Address111 Colchester AveBurlington, VT 05401-1473 · (802) 847-2345
Sole ProprietorYes
Enumeration DateMarch 23, 2023
Last NPPES UpdateOctober 22, 2026
NPPES CertifiedOctober 22, 2026
✔ NPI 1649973215 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in VT · 032.0134304✔ Licensed in NY · 343553
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
111 COLCHESTER AVE, Burlington, VT 05401

Secondary Practice Locations 2

Location 175 Beekman StPlattsburgh, NY 12901-1438 · Phone (518) 562-7371
Location 2133 Park StMalone, NY 12953-1244 · Phone (518) 481-2336

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Zachary Clark Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Zachary Clark reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
111 COLCHESTER AVE
Burlington, VT 05401
  • Reassigned Medicare billing, Vermont enrollment
  • 1,643 clinicians in this Medicare group
Critical Access
133 PARK ST
Malone, NY 12953
  • Reassigned Medicare billing, New York enrollment
  • 326 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 05401 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$85.89 typical visit price
range $55.80 – $168.48
Typical copayment $21.47 (range $13.95 – $42.12)
Most-billed visit code 99203
Established Patient
$98.40 typical visit price
range $18.08 – $137.84
Typical copayment $24.60 (range $4.52 – $34.46)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Pulmonary Disease)
111 COLCHESTER AVE, UVM MEDICAL CENTER, DEPT OF INTERNAL MEDICINE, 222WP2
BURLINGTON, VT 05401
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
111 COLCHESTER AVE
BURLINGTON, VT 05401
Radiology (Diagnostic Radiology)
111 COLCHESTER AVE
BURLINGTON, VT 05401
Pediatrics
111 COLCHESTER AVE
BURLINGTON, VT 05401
Student in an Organized Health Care Education/Training Program
111 COLCHESTER AVE
BURLINGTON, VT 05401
Student in an Organized Health Care Education/Training Program
111 COLCHESTER AVE
BURLINGTON, VT 05401
Pathology (Clinical Laboratory Director, Non-physician)
111 COLCHESTER AVE
BURLINGTON, VT 05401
Nurse Practitioner
111 COLCHESTER AVE
BURLINGTON, VT 05401

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Zachary Clark's NPI number?

The NPI number for Zachary Clark is 1649973215. It was assigned to this individual provider in the NPPES registry on March 23, 2023.

Where is Zachary Clark located?

Zachary Clark practices at 111 Colchester Ave, Burlington, VT 05401. The listed phone number is (802) 847-2345.

What is Zachary Clark's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Zachary Clark enrolled in Medicare?

Yes. Zachary Clark is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Zachary Clark's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Zachary Clark reassigns Medicare benefits to 2 organizations: University Of Vermont Medical Center Inc (Burlington, VT) and Alice Hyde Medical Center (Malone, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Zachary Clark's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Zachary Clark accept?

Health plans from Anthem Blue Cross and Blue Shield list Zachary Clark as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Zachary Clark was last updated on October 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.