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SECOND MOUNTAIN INTERNAL MEDICINE P.C.
NPI 1629969332
Internal Medicine in Hebron, ME

Active since July 11, 2025
758 BUCKFIELD RD, HEBRON, ME 04238(860) 305-3438 Get Directions Write a Review

NPPES record last updated: July 30, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Second Mountain Internal Medicine P.c. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SECOND MOUNTAIN INTERNAL MEDICINE P.C. (NPI 1629969332) is a healthcare organization registered as an internal medicine in Hebron, Maine and active in the NPI registry since July 2025. The organization lists John Charles Matulis, Physician Owner, as its authorized official.

NPPES Registry Identity

NPI1629969332
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameSECOND MOUNTAIN INTERNAL MEDICINE P.C.
Location Address758 BUCKFIELD RDHebron, ME 04238-3261
Mailing Address758 Buckfield RdHebron, ME 04238-3261
Phone(860) 305-3438
Organization SubpartNo
Authorized OfficialJohn Charles MatulisPhysician Owner · (860) 305-3438
Enumeration DateJuly 11, 2025
Last NPPES UpdateJuly 30, 2025
NPPES CertifiedJuly 30, 2025
✔ NPI 1629969332 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
758 BUCKFIELD RD, Hebron, ME 04238
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Second Mountain Internal Medicine P.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Second Mountain Internal Medicine P.C., which bills Medicare for the services this clinician delivers.

Clinician (1)

John Matulis, D.O.
Internal Medicine
NPI 1891013140
200 1ST ST SW
Rochester, MN 55905
(507) 284-2511
✔ PECOS✔ Accepts Medicare1,097 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Second Mountain Internal Medicine P.C.'s NPI number?

The NPI number for Second Mountain Internal Medicine P.C. is 1629969332. It was assigned to this organization in the NPPES registry on July 11, 2025.

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

Second Mountain Internal Medicine P.C. is located at 758 Buckfield Rd, Hebron, ME 04238. The listed phone number is (860) 305-3438.

What is Second Mountain Internal Medicine P.C.'s specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Second Mountain Internal Medicine P.C. enrolled in Medicare?

Yes. Second Mountain Internal Medicine P.C. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Second Mountain Internal Medicine P.C.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Second Mountain Internal Medicine P.C.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Second Mountain Internal Medicine P.C. was last updated on July 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.