DR. TERRY DEAN DENNIS M.D., M.P.H.
NPI 1639244767
Internal Medicine in Billings, MT

Active since November 22, 2006
801 N 29TH ST, BILLINGS, MT 59101(406) 238-2500 Get Directions Write a Review

NPPES record last updated: April 22, 2019. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Terry Dean Dennis M.d., M.p.h. NPPES

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

DR. TERRY DEAN DENNIS M.D., M.P.H. (NPI 1639244767) is an individual internal medicine provider in Billings, Montana, licensed in Montana (6755) and active in the NPI registry since November 2006. He maintains a secondary practice location in Poplar.

NPPES Registry Identity

NPI1639244767
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. TERRY DEAN DENNISCredential: M.D., M.P.H.
Location Address801 N 29TH STBillings, MT 59101
Mailing AddressPo Box 35100Billings, MT 59107-5100 · (406) 238-2500
Sole ProprietorNo
Enumeration DateNovember 22, 2006
Last NPPES UpdateApril 22, 2019
NPI 1639244767 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in MT · 6755
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.
801 N 29TH ST, Billings, MT 59101

Secondary Practice Location 1

Location 1107 H Street East, DHHS-IHS-Poplar Health ClinicPoplar, MT 59255 · Phone (406) 768-2105

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physical Therapist
801 N 29TH ST
BILLINGS, MT 59101
Physician Assistant (Surgical)
801 N 29TH ST
BILLINGS, MT 59101
Obstetrics & Gynecology (Gynecologic Oncology)
801 N 29TH ST
BILLINGS, MT 59101
Physician Assistant
801 N 29TH ST
BILLINGS, MT 59101
Occupational Therapist
801 N 29TH ST
BILLINGS, MT 59101
Ophthalmology
801 N 29TH ST
BILLINGS, MT 59101
Physician Assistant (Surgical)
801 N 29TH ST
BILLINGS, MT 59101
Family Medicine
801 N 29TH ST
BILLINGS, MT 59101

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 Terry Dennis's NPI number?

The NPI number for Terry Dennis is 1639244767. It was assigned to this individual provider in the NPPES registry on November 22, 2006.

Where is Terry Dennis located?

Terry Dennis practices at 801 N 29th St, Billings, MT 59101. The listed phone number is (406) 238-2500.

What is Terry Dennis's specialty?

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

When was this NPI record last updated?

The NPPES record for Terry Dennis was last updated on April 22, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.