What is Robert Leff's NPI number?

Robert Leff's National Provider Identifier (NPI) is 1497789903, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Robert Leff's specialty?

Robert Leff is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).

Where is Robert Leff located?

Robert Leff's practice location on file with NPPES is 400 E 3rd St, Duluth, MN 55805-1951.

What is Robert Leff's phone number?

The practice phone number listed in the NPPES registry for Robert Leff is (218) 786-8364.

Is Robert Leff's NPI active?

Yes — Robert Leff's NPI (1497789903) is active in the NPPES registry as of the last update on 2011-05-10.

IndividualActive

Robert Leff

NPI 1497789903 · Rheumatology Physician · Duluth, MN

Robert Leff is a Rheumatology Physician provider in Duluth, MN (NPI 1497789903).

Provider details

NPI number: 1497789903
Entity type: Individual
Primary specialty: Rheumatology PhysicianAllopathic & Osteopathic Physicians
Sex: Male
Sole proprietor: No
License: 26752 (MN)

Specialties & taxonomies

Rheumatology PhysicianPrimary207RR0500XLicense 26752 (MN)
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
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

400 E 3rd St

Duluth, MN 55805-1951

Phone: (218) 786-8364

Street-level locationGet directions

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Mailing address