John Chisholm, M.D.
NPI 1366731150 · Addiction Medicine (Family Medicine) Physician · Worcester, MA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Chisholm, M.D. is a Addiction Medicine (Family Medicine) Physician provider in Worcester, MA (NPI 1366731150).
Provider details
- NPI number
- 1366731150
- Entity type
- Individual
- Primary specialty
- Addiction Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 042-0012873 (VT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
15 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$23 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 883 Blakely RdColchester, VT 05446-4417Phone: (802) 847-2055Fax: (802) 847-1688
Registry dates
- Enumerated
- 2011-04-01
- Last updated
- 2019-01-04
Frequently asked questions
- What is John Chisholm's NPI number?
- John Chisholm's National Provider Identifier (NPI) is 1366731150, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Chisholm's specialty?
- John Chisholm is listed in the NPPES registry with a primary specialty of Addiction Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is John Chisholm located?
- John Chisholm's practice location on file with NPPES is 5 Neponset St, Worcester, MA 01606.
- What is John Chisholm's phone number?
- The practice phone number listed in the NPPES registry for John Chisholm is (508) 595-2300.
- Does John Chisholm accept Medicare?
- John Chisholm is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Chisholm's NPI active?
- Yes — John Chisholm's NPI (1366731150) is active in the NPPES registry as of the last update on 2019-01-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.