Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Second Mountain Internal Medicine P.C.

Internal Medicine Physician in Hebron, ME · enumerated 2025 · authorized official John Matulis, Physician Owner.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1629969332

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Registry record

Entity type Organization (Type 2)

Legal business name Second Mountain Internal Medicine P.C.

Practice address 758 Buckfield Rd, Hebron, ME, 04238

Phone (860) 305-3438

Enumeration date Jul 11, 2025

Last updated in NPPES Jul 30, 2025

Taxonomy & classification

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name John Matulis

Title Physician Owner

Phone (860) 305-3438

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Where is Second Mountain Internal Medicine P.C. located?

The practice location on file with NPPES is in Hebron, ME.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2025-07-30. Verify at npiregistry.cms.hhs.gov.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-07-30.