What is Keith Happel's NPI number?

Keith Happel's National Provider Identifier (NPI) is 1871547067, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Keith Happel's specialty?

Keith Happel is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Keith Happel located?

Keith Happel's practice location on file with NPPES is 401 N 9th St, Bismarck, ND 58501-4507.

What is Keith Happel's phone number?

The practice phone number listed in the NPPES registry for Keith Happel is (701) 530-6000.

Is Keith Happel's NPI active?

Yes — Keith Happel's NPI (1871547067) is active in the NPPES registry as of the last update on 2026-05-10.

IndividualActive

Keith Happel, MD

NPI 1871547067 · Internal Medicine Physician · Bismarck, ND

Keith Happel, MD is a Internal Medicine Physician provider in Bismarck, ND (NPI 1871547067).

Provider details

NPI number: 1871547067
Entity type: Individual
Primary specialty: Internal Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: 7296 (ND)

Specialties & taxonomies

Internal Medicine PhysicianPrimary207R00000XLicense 7296 (ND)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(91/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
20 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

401 N 9th St

Bismarck, ND 58501-4507

Phone: (701) 530-6000

Fax: (701) 530-6430

Street-level locationGet directions

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Mailing address