Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JEFFREY L KRAINES M.D.
NPI 1932146123
Internal Medicine - Rheumatology in Cambridge, MA

Q: What is Jeffrey Kraines's NPI number?

The NPI number for Jeffrey Kraines is 1932146123. It was assigned to this individual provider in the NPPES registry on May 31, 2006.

Q: What is Jeffrey Kraines's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Jeffrey Kraines was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 days 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.

Active since May 31, 2006

55 CAMBRIDGE PARKWAY, GENZYME CORP., CAMBRIDGE, MA 02142(617) 591-5547 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Jeffrey L Kraines M.d. NPPES

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

JEFFREY L KRAINES M.D. (NPI 1932146123) is an individual rheumatology provider in Cambridge, Massachusetts, licensed in Massachusetts (54522) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1932146123

Entity TypeIndividualMale

Primary Taxonomy207RR0500X

Provider Legal NameJEFFREY L KRAINESCredential: M.D.

Location Address55 CAMBRIDGE PARKWAY, GENZYME CORP.Cambridge, MA 02142

Mailing Address47 Irving StArlington, MA 02476-6438 · (617) 591-5547

Phone(617) 591-5547

Sole ProprietorNo

Enumeration DateMay 31, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1932146123 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 MA · 54522

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.

55 CAMBRIDGE PARKWAY, Cambridge, MA 02142

Open in Google Maps ↗

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

FRANK JAMES HSU MD

Internal Medicine (Medical Oncology)

55 CAMBRIDGE PARKWAY, GENZYME CORPORATION
CAMBRIDGE, MA 02142

Middlesex County (617) 761-8848

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 Jeffrey Kraines's NPI number?

The NPI number for Jeffrey Kraines is 1932146123. It was assigned to this individual provider in the NPPES registry on May 31, 2006.

Where is Jeffrey Kraines located?

Jeffrey Kraines practices at 55 Cambridge Parkway Genzyme Corp., Cambridge, MA 02142. The listed phone number is (617) 591-5547.

What is Jeffrey Kraines'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 Jeffrey Kraines was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 days 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.