WILLIAM E BAKER MD
NPI 1407828296
Emergency Medicine in Burlington, VT
About William E Baker Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM E BAKER MD (NPI 1407828296) is an individual emergency medicine provider in Burlington, Vermont, licensed in Massachusetts (152223) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Metrowest Medical Center, and maintains a secondary practice location in Plattsburgh.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
William E Baker Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show William Baker reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Burlington, VT 05401
- Reassigned Medicare billing, Vermont enrollment
- 1,643 clinicians in this Medicare group
Plattsburgh, NY 12901
- Reassigned Medicare billing, New York enrollment
- 675 clinicians in this Medicare group
Vergennes, VT 05491
- Reassigned Medicare billing, Vermont enrollment
- Also billed through NPI 1134457013 (Vermont)
- 243 clinicians in this Medicare group
Elizabethtown, NY 12932
- Reassigned Medicare billing, New York enrollment
- Also billed through NPI 1487923637 (New York)
- 219 clinicians in this Medicare group
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.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Metrowest Medical Center
Acute Care Hospitals · Framingham, MAChamplain Valley Physicians Hospital Medical Ctr
Acute Care Hospitals · Plattsburgh, NYElizabethtown Community Hospital
Critical Access Hospitals · Elizabethtown, NYUniv. Of Vermont - Fletcher Allen Health Care
Acute Care Hospitals · Burlington, VTPhysician 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.
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.
BURLINGTON, VT 05401
BURLINGTON, VT 05401
BURLINGTON, VT 05401
BURLINGTON, VT 05401
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 William Baker's NPI number?
The NPI number for William Baker is 1407828296. It was assigned to this individual provider in the NPPES registry on February 6, 2006.
Where is William Baker located?
William Baker practices at 111 Colchester Ave, Burlington, VT 05401. The listed phone number is (802) 847-0000.
What is William Baker's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is William Baker enrolled in Medicare?
Yes. William Baker is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for William Baker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Baker reassigns Medicare benefits to 5 organizations: University Of Vermont Medical Center Inc (Burlington, VT), Champlain Valley Physicians Hospital Medical Center (Plattsburgh, NY), Porter Hospital Inc (Vergennes, VT), Elizabethtown Community Hospital (Elizabethtown, NY) 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 William Baker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Baker accept?
Health plans from Anthem Blue Cross and Blue Shield list William Baker 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.
Is William Baker affiliated with any hospitals?
According to CMS data, William Baker is affiliated with Metrowest Medical Center, Champlain Valley Physicians Hospital Medical Ctr, Elizabethtown Community Hospital and Univ. Of Vermont - Fletcher Allen Health Care.
When was this NPI record last updated?
The NPPES record for William Baker was last updated on October 23, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.
# William E Baker, MD · NPI 1407828296
Emergency Medicine physician in Burlington, Vermont. Individual provider, active in the CMS NPPES registry since February 6, 2006.
## Identity
- **NPI:** 1407828296 (Entity type: Individual)
- **Enumerated:** February 6, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 152223 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 111 COLCHESTER AVE, Burlington, VT 05401-1473
- **Phone:** (802) 847-0000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): University Of Vermont Medical Center Inc (NPI 1659309615, Burlington, VT); Champlain Valley Physicians Hospital Medical Center (NPI 1033270699, Plattsburgh, NY); Porter Hospital Inc (NPI 1548380819, Vergennes, VT); Elizabethtown Community Hospital (NPI 1053656744, Elizabethtown, NY); Alice Hyde Medical Center (NPI 1114954682, Malone, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Vermont College Of Medicine, class of 1990
## Record status
- **NPPES last updated:** October 23, 2022
- **Other identifiers:** Medicaid 110058663A (MA); Other J17702 (MA); Other 773300 (MA); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1407828296) · Data from the CMS NPPES public registry.