DR. JOHN VALENTINE III CHISHOLM (M.D.) – Addiction Medicine (Family Medicine) Physician, NPI 1366731150

DR. JOHN VALENTINE III CHISHOLM (M.D.) is a healthcare provider. based in Worcester, Massachusetts. specializing in Addiction Medicine (Family Medicine) Physician. They hold the professional credentials M.D.. They hold a License No. 042-0012873 (VT). The NPI Number for DR. JOHN VALENTINE III CHISHOLM (M.D.) is 1366731150

Main info

Male
15 Years Of Experience
Accepts Medicare Assignment
Name
DR. JOHN VALENTINE III CHISHOLM (M.D.)
NPI
1366731150
Phone
(508) 595-2300
Address
5 NEPONSET ST
Enumeration Date
1 April 2011
Last Update Date
4 January 2019

Doctor Profile

Medical School Name
TUFTS UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
5085952300
Graduation Year
2011 (15 years ago)
PAC ID
6406072446
Group Practice PAC ID
5597755322
Professional Enrollment ID
I20190218002852
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience58
Completeness75
Years active:15State licenses:2Digital endpointsOther names

Provider Addresses for DR. JOHN VALENTINE III CHISHOLM (M.D.)

  • 5 NEPONSET ST

    WORCESTER, MA 01606

    Phone: (508) 595-2300

    Fax: (508) 853-5226

    Type: Location

  • 883 Blakely Rd

    Colchester, VT 054464417

    Phone: (802) 847-2055

    Fax: (802) 847-1688

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $23.

Total Amount is formed as General ($23) + Research ($0) + Ownership ($0) = $23.

Last reported payment date: 2024-04-11 • Largest payer in this snapshot: Braeburn Inc. ($23).

Total Amount

$23

General + Research + Ownership

Payments

1

Total payment records

General Amount

$23

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-04-11

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
Braeburn Inc.$23
View all Open Payments →|Open Payments Risk Radar →

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: 2019-02-18

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
I20190218002852IFamily PracticeMATBD

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.

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

Insurance plans in this area (ZIP 01606)

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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: 5597755322View full group profile
NameSpecialtyState
D E R M A T O L O G YMA
Internal MedicineMA
-MA
-MA
Emergency MedicineMA
Physical Therapist In Private PracticeMA
Physician AssistantMA
Family PracticeMA
Clinical PsychologistMA
-MA

Reviews

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Frequently asked questions

How do I look up DR. JOHN VALENTINE III CHISHOLM (M.D.) by NPI?
Use NPI 1366731150 when you need to reference DR. JOHN VALENTINE III CHISHOLM (M.D.) in forms, claims, or directories.
Is DR. JOHN VALENTINE III CHISHOLM (M.D.) active in the national directory?
DR. JOHN VALENTINE III CHISHOLM (M.D.)'s public NPI profile is in an active state.
Does DR. JOHN VALENTINE III CHISHOLM (M.D.) list a primary specialty?
If you are matching referrals, note Addiction Medicine (Family Medicine) Physician for DR. JOHN VALENTINE III CHISHOLM (M.D.). Clinical services aligned with this taxonomy classification.
What location metadata exists for DR. JOHN VALENTINE III CHISHOLM (M.D.)?
The page summarizes Worcester, Massachusetts for DR. JOHN VALENTINE III CHISHOLM (M.D.); expand the address list for detail.
How can I contact DR. JOHN VALENTINE III CHISHOLM (M.D.)?
Phone or fax may appear on the official NPI record when supplied — verify before relying on them.

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