What is James Harper's NPI number?

James Harper's National Provider Identifier (NPI) is 1922132364, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is James Harper's specialty?

James Harper is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).

Where is James Harper located?

James Harper's practice location on file with NPPES is 791 Summit Ave, Oconomowoc, WI 53066-3844.

What is James Harper's phone number?

The practice phone number listed in the NPPES registry for James Harper is (262) 569-0251.

Is James Harper's NPI active?

Yes — James Harper's NPI (1922132364) is active in the NPPES registry as of the last update on 2025-11-20.

IndividualActive

James Harper, M.D.

NPI 1922132364 · Emergency Medicine Physician · Oconomowoc, WI

James Harper, M.D. is a Emergency Medicine Physician provider in Oconomowoc, WI (NPI 1922132364).

Provider details

NPI number: 1922132364
Entity type: Individual
Primary specialty: Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: No
License: LL 29029 (SC)

Specialties & taxonomies

Emergency Medicine PhysicianPrimary207P00000XLicense LL 29029 (SC)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(89/100 index)

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

Registry tenure38% of score
19 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

791 Summit Ave

Oconomowoc, WI 53066-3844

Phone: (262) 569-0251

Street-level locationGet directions

More WI providers

Mailing address