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ROBERT DANA LEFF
NPI 1497789903
Internal Medicine - Rheumatology in Duluth, MN

Active since July 10, 2006
400 E 3RD ST, DULUTH, MN 55805(218) 786-8364 Get Directions Write a Review

NPPES record last updated: May 10, 2011. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Robert Dana Leff NPPES

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

ROBERT DANA LEFF (NPI 1497789903) is an individual rheumatology provider in Duluth, Minnesota, licensed in Minnesota (26752) and active in the NPI registry since July 2006.

NPPES Registry Identity

NPI1497789903
Entity TypeIndividualMale
Primary Taxonomy207RR0500X
Provider Legal NameROBERT DANA LEFF
Location Address400 E 3RD STDuluth, MN 55805-1951
Mailing Address400 E 3rd StDuluth, MN 55805-1951 · (218) 786-8364
Phone(218) 786-8364
Sole ProprietorNo
Enumeration DateJuly 10, 2006
Last NPPES UpdateMay 10, 2011
✔ NPI 1497789903 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License✔ Licensed in MN · 26752
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
400 E 3RD ST, Duluth, MN 55805
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Other Identifiers 4

Medicaid556207400MN
Medicare UPIND75820
Medicaid30442200WI
Medicare PIN669000013MN

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.

CHRISTIAN CONNER RN, CRNA
Nurse Anesthetist, Certified Registered
400 E 3RD ST
DULUTH, MN 55805
St. Louis County (218) 786-4150
JORDAN TICHENOR
Internal Medicine (Infectious Disease)
400 E 3RD ST
DULUTH, MN 55805
St. Louis County (218) 786-3737
MOLLY B DWYER APRN, CNP
Nurse Practitioner (Psychiatric/Mental Health)
400 E 3RD ST
DULUTH, MN 55805
St. Louis County (218) 786-8364
AMY MARIE LARSON MD
Hospitalist
400 E 3RD ST
DULUTH, MN 55805
St. Louis County (218) 786-8364
BRUCE JAMES DERAUF
Radiology (Diagnostic Radiology)
400 E 3RD ST
DULUTH, MN 55805
St. Louis County (218) 786-8364
NIZAR NAJIB SALEH
Internal Medicine (Cardiovascular Disease)
400 E 3RD ST
DULUTH, MN 55805
St. Louis County (218) 786-8364
DIANE MAE KOLQUIST
Clinical Nurse Specialist (Medical-Surgical)
400 E 3RD ST
DULUTH, MN 55805
St. Louis County (218) 786-8364
GINA MARIE SLIPKA-MARINOS
Internal Medicine
400 E 3RD ST
DULUTH, MN 55805
St. Louis County (218) 786-8364

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 Robert Leff's NPI number?

The NPI number for Robert Leff is 1497789903. It was assigned to this individual provider in the NPPES registry on July 10, 2006.

Where is Robert Leff located?

Robert Leff practices at 400 E 3rd St, Duluth, MN 55805. The listed phone number is (218) 786-8364.

What is Robert Leff's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

When was this NPI record last updated?

The NPPES record for Robert Leff was last updated on May 10, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.