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RICHARD LOUIS LEFF M.D.
NPI 1639374820
Internal Medicine - Rheumatology in Chadds Ford, PA

Active since June 18, 2007
230 FAIRVILLE RD, CHADDS FORD, PA 19317(610) 388-7623 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Richard Louis Leff M.d. NPPES

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

RICHARD LOUIS LEFF M.D. (NPI 1639374820) is an individual rheumatology provider in Chadds Ford, Pennsylvania, licensed in Pennsylvania (MD072738L) and active in the NPI registry since June 2007.

NPPES Registry Identity

NPI1639374820
Entity TypeIndividualMale
Primary Taxonomy207RR0500X
Provider Legal NameRICHARD LOUIS LEFFCredential: M.D.
Location Address230 FAIRVILLE RDChadds Ford, PA 19317-9469
Mailing Address230 Fairville RdChadds Ford, PA 19317-9469 · (610) 388-7623
Phone(610) 388-7623
Sole ProprietorYes
Enumeration DateJune 18, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1639374820 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 PA · MD072738L
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.
230 FAIRVILLE RD, Chadds Ford, PA 19317
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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 Richard Leff's NPI number?

The NPI number for Richard Leff is 1639374820. It was assigned to this individual provider in the NPPES registry on June 18, 2007.

Where is Richard Leff located?

Richard Leff practices at 230 Fairville Rd, Chadds Ford, PA 19317. The listed phone number is (610) 388-7623.

What is Richard 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 Richard Leff was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.