WILLIAM HARRISON PORTER (MD) – Family Medicine Physician, NPI 1548246911

WILLIAM HARRISON PORTER (MD) is a healthcare provider. based in Bristol, Vermont. specializing in Family Medicine Physician. They hold the professional credentials MD. They hold a License No. 0420009973 (VT). The NPI Number for WILLIAM HARRISON PORTER (MD) is 1548246911

Main info

Male
34 Years Of Experience
Accepts Medicare Assignment
Name
WILLIAM HARRISON PORTER (MD)
NPI
1548246911
Phone
(802) 453-5028
Address
61 PINE ST BLDG 4
Enumeration Date
19 December 2005
Last Update Date
7 February 2020

Doctor Profile

Medical School Name
WARREN ALPERT MEDICAL SCHOOL OF BROWN UNIVERSITY
Secondary Phone
8024535028
Graduation Year
1992 (34 years ago)
PAC ID
8628012531
Group Practice PAC ID
9638321342
Professional Enrollment ID
I20050613000265
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness75
Years active:20State licenses:1Digital endpointsOther names

Provider Addresses for WILLIAM HARRISON PORTER (MD)

  • 61 PINE ST BLDG 4

    BRISTOL, VT 054431043

    Phone: (802) 453-5028

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 05443)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 9638321342View full group profile
NameSpecialtyState
Family PracticeVT
-VT
Internal Medicine, Obstetrics/Gynecology, Family PracticeVT
-VT
Nurse PractitionerMA
-VT
Nurse PractitionerVT
-VT
Nurse PractitionerVT
Physician AssistantVT

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Frequently asked questions

Can I verify WILLIAM HARRISON PORTER (MD) with an NPI only?
You can start verification with NPI 1548246911 for WILLIAM HARRISON PORTER (MD), then check state licensing separately.
Does CMS list WILLIAM HARRISON PORTER (MD) as active?
Yes — WILLIAM HARRISON PORTER (MD) is active in the NPI listing used on this page.
What is WILLIAM HARRISON PORTER (MD)'s specialty?
The listing groups WILLIAM HARRISON PORTER (MD) with Family Medicine Physician. Clinical services aligned with this taxonomy classification.
Where is WILLIAM HARRISON PORTER (MD) based?
WILLIAM HARRISON PORTER (MD) is tied to Bristol, Vermont in the data we show; additional addresses may exist on the full record.
What does 'Individual Provider' mean on this profile?
Entity type tells you whether the number belongs to a person or an organization.

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