Heather Wark MD LLC
NPI 1871015750 · Internal Medicine Physician · Northampton, MA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Heather Wark MD LLC is a Internal Medicine Physician organization in Northampton, MA (NPI 1871015750).
Provider details
- NPI number
- 1871015750
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Heather Wark, Owner(413) 237-4933
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-07-12
- Last updated
- 2026-04-30
- Certified
- 2026-04-30
Frequently asked questions
- What is Heather Wark MD LLC's NPI number?
- Heather Wark MD LLC's National Provider Identifier (NPI) is 1871015750, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Heather Wark MD LLC?
- Heather Wark MD LLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Heather Wark MD LLC located?
- Heather Wark MD LLC's practice location on file with NPPES is 548 Elm St, Northampton, MA 01060-2832.
- What is Heather Wark MD LLC's phone number?
- The practice phone number listed in the NPPES registry for Heather Wark MD LLC is (413) 586-2832.
- Does Heather Wark MD LLC accept Medicare?
- Heather Wark MD LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Heather Wark MD LLC?
- The authorized official listed on Heather Wark MD LLC's NPPES record is Heather Wark, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Heather Wark MD LLC's NPI active?
- Yes — Heather Wark MD LLC's NPI (1871015750) is active in the NPPES registry as of the last update on 2026-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.