DR. JOHN LEWIS LEAHY (M.D.) – Endocrinology, Diabetes & Metabolism Physician, NPI 1598859480

DR. JOHN LEWIS LEAHY (M.D.) is a healthcare provider. based in Shelburne, Vermont. specializing in Endocrinology, Diabetes & Metabolism Physician. They hold the professional credentials M.D.. They hold a License No. 42000-9309 (VT). The NPI Number for DR. JOHN LEWIS LEAHY (M.D.) is 1598859480

Main info

Male
49 Years Of Experience
Accepts Medicare Assignment
Name
DR. JOHN LEWIS LEAHY (M.D.)
NPI
1598859480
Phone
(802) 985-2077
Address
248 RIDGEFIELD RD
Enumeration Date
3 October 2006
Last Update Date
8 July 2007

Doctor Profile

Medical School Name
VIRGINIA COMMONWEALTH UNIVERSITY, SCHOOL OF MEDICINE
Secondary Phone
8028470000
Graduation Year
1977 (49 years ago)
PAC ID
9335157106
Group Practice PAC ID
3779491071
Professional Enrollment ID
I20060405000412
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for DR. JOHN LEWIS LEAHY (M.D.)

  • 248, Ridgefield Road, Shelburne, Chittenden County, Vermont, 05482, United States

    SHELBURNE, VT 054826309

    Phone: (802) 985-2077

    Fax: (802) 656-8031

    Type: Mailing

  • UVMMC DU Campus Arnold Pavilion, 1, South Prospect Street, Burlington, Chittenden County, Vermont, 05401, United States

    5TH FLOOR - ENDOCRINE

    BURLINGTON, VT 054013456

    Phone: (802) 847-4576

    Type: Location

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: 2006-04-05

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
I20060405000412IEndocrinologyVTTBD

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

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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 05482)

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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: 3779491071View full group profile

Reviews

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Frequently asked questions

What is the registry number for DR. JOHN LEWIS LEAHY (M.D.)?
The registry entry for DR. JOHN LEWIS LEAHY (M.D.) shows NPI 1598859480.
Should I treat DR. JOHN LEWIS LEAHY (M.D.) as an active provider?
Patients and plans typically see DR. JOHN LEWIS LEAHY (M.D.) as active in the national extract.
How should patients interpret DR. JOHN LEWIS LEAHY (M.D.)'s specialty?
The extract shows Endocrinology, Diabetes & Metabolism Physician for DR. JOHN LEWIS LEAHY (M.D.). Clinical services aligned with this taxonomy classification.
What city is tied to DR. JOHN LEWIS LEAHY (M.D.)?
The directory associates DR. JOHN LEWIS LEAHY (M.D.) with Shelburne, Vermont. Check all listed addresses for suites or satellite offices.
Can I verify credentials using only NPI?
NPI confirms identity in the directory; licensure and board certification require separate checks.

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