1. Home
  2. Directory
  3. Vermont
  4. Brattleboro
  5. Pediatrics
  6. NPI Profile

ALEXANDER ZAJACK MD
NPI 1063161107
Pediatrics in Brattleboro, VT

Active since March 23, 2022PECOS Enrolled
17 BELMONT AVE, BRATTLEBORO, VT 05301(802) 257-0341(802) 251-8435 Get Directions Write a Review

NPPES record last updated: August 27, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Alexander Zajack Md NPPES

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

ALEXANDER ZAJACK MD (NPI 1063161107) is an individual pediatrics provider in Brattleboro, Vermont, licensed in Vermont (042.0018637) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS and is a graduate of University Of Nevada, Las Vegas School Of Medicine (2022).

NPPES Registry Identity

NPI1063161107
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameALEXANDER ZAJACKCredential: MD
Location Address17 BELMONT AVEBrattleboro, VT 05301-3498
Mailing Address111 Colchester AveBurlington, VT 05401-1473 · (702) 207-9296
Phone(802) 257-0341
Fax(802) 251-8435
Sole ProprietorNo
Medical School CMSUniversity Of Nevada, Las Vegas School Of MedicineGraduated 2022
Enumeration DateMarch 23, 2022
Last NPPES UpdateAugust 27, 2025
NPPES CertifiedAugust 27, 2025
✔ NPI 1063161107 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in VT · 042.0018637
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
17 BELMONT AVE, Brattleboro, VT 05301
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alexander Zajack Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6002295169
PECOS Enrollment IDI20251217000507
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 Reassignment

Medicare enrollment records show Alexander Zajack reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Brattleboro Memorial Hospital
Same address
General Acute Care Hospital
17 BELMONT AVE
Brattleboro, VT 05301
  • Reassigned Medicare billing, Vermont enrollment
  • 101 clinicians in this Medicare group
NPI 1306849708 (802) 257-0341

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 05301 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.

DR. EDWARD F. ELLIOTT JR. M.D.
Radiology (Diagnostic Radiology)
17 BELMONT AVE
BRATTLEBORO, VT 05301
Windham County (802) 257-8820
SAMANTHA BELLAMY R.T (R)
Radiologic Technologist
17 BELMONT AVE
BRATTLEBORO, VT 05301
Windham County (802) 257-0341
VALLEY PATHOLOGY ASSOCIATES
Pathology (Anatomic Pathology & Clinical Pathology)
17 BELMONT AVE
BRATTLEBORO, VT 05301
Windham County (802) 257-8372
WALTER WAGENKNECHT MD
Radiology (Diagnostic Radiology)
17 BELMONT AVE
BRATTLEBORO, VT 05301
Windham County (800) 655-3603
AGNES MIKIJANIEC ARNP
Nurse Practitioner (Acute Care)
17 BELMONT AVE, ATT'N: MARILYN BOUDREAU
BRATTLEBORO, VT 05301
Windham County (802) 257-8382
BRATTTLEBORO ANESTHESIA ASSOCIATES PC
Anesthesiology
17 BELMONT AVE
BRATTLEBORO, VT 05301
Windham County (802) 257-8220
ELIZABETH A. MCLARNEY, M.D., P.C.
Orthopaedic Surgery
17 BELMONT AVE
BRATTLEBORO, VT 05301
Windham County (802) 254-7787
DEBORAH L JONES RN FNP AACRN
Nurse Practitioner (Family)
17 BELMONT AVE, ATT'N: MARILYN BOUDREAU
BRATTLEBORO, VT 05301
Windham County (802) 257-8382

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 Alexander Zajack's NPI number?

The NPI number for Alexander Zajack is 1063161107. It was assigned to this individual provider in the NPPES registry on March 23, 2022.

Where is Alexander Zajack located?

Alexander Zajack practices at 17 Belmont Ave, Brattleboro, VT 05301. The listed phone number is (802) 257-0341.

What is Alexander Zajack's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Alexander Zajack enrolled in Medicare?

Yes. Alexander Zajack is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Alexander Zajack's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Zajack reassigns Medicare benefits to Brattleboro Memorial Hospital (Brattleboro, VT). The 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 Alexander Zajack's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alexander Zajack accept?

Health plans from Anthem Blue Cross and Blue Shield list Alexander Zajack 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 Alexander Zajack was last updated on August 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.