WILLIAM S PALMER (MD) – Internal Medicine Physician, NPI 1356337984

WILLIAM S PALMER (MD) is a healthcare provider. based in Windsor, Vermont. specializing in INTERNAL MEDICINE. They hold the professional credentials MD. They hold a License No. 042-0009027 (VT). The NPI Number for WILLIAM S PALMER (MD) is 1356337984

Main info

Male
39 Years Of Experience
Accepts Medicare Assignment
Name
WILLIAM S PALMER (MD)
NPI
1356337984
Phone
(802) 674-7300
Address
289 COUNTY RD
Enumeration Date
20 September 2005
Last Update Date
10 March 2021

Doctor Profile

Medical School Name
COLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
Secondary Phone
-
Graduation Year
1987 (39 years ago)
PAC ID
8820023666
Group Practice PAC ID
2860387214
Professional Enrollment ID
I20050930000187
Address ID
VT050899000WI289XXRDXX300

Contacts

Secure Messaging
WilliamPalmer@mahhc.cernerdirect.com
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness85
Years active:20State licenses:1Other namesUpdated within 12 months

384 INTERNAL MEDICINE in VT

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Provider Addresses for WILLIAM S PALMER (MD)

  • 289, Colesville Road, Town of Windsor, City of Binghamton, Town of Colesville, Broome County, New York, 13904, United States

    WINDSOR, VT 050899000

    Phone: (802) 674-7300

    Fax: (802) 674-7314

    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.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2005-09-30

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20050930000187IInternal MedicineVTTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

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.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes6229$0
99231Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes2618$0
99239Hospital discharge day management, more than 30 minutes2424$0
99309Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes2421$0
99308Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes1919$0
View full utilization report →

Insurance plans in this area (ZIP 05089)

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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: 2860387214View full group profile
NameSpecialtyState
Physician AssistantNH
H O S P I T A L I S TNY
General SurgeryME
Nurse PractitionerNH
Internal MedicineVT
Internal MedicineVT
H O S P I T A L I S TNH
Nurse PractitionerMA
-NH
-UT

Reviews

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Frequently asked questions

Where can patients find WILLIAM S PALMER (MD)'s NPI?
You can confirm WILLIAM S PALMER (MD) with NPI 1356337984; it appears in the national provider directory.
Is WILLIAM S PALMER (MD) active in the national directory?
WILLIAM S PALMER (MD)'s public NPI profile is in an active state.
What kind of provider is WILLIAM S PALMER (MD)?
The page reflects Internal Medicine Physician for WILLIAM S PALMER (MD). Clinical services aligned with this taxonomy classification.
What location shows for WILLIAM S PALMER (MD)?
We surface Windsor, Vermont for WILLIAM S PALMER (MD) based on available NPPES addresses.
What if Windsor, Vermont seems incomplete?
Street-level detail can be omitted — open the full address list for this NPI.

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