JAN E LEYDEN M.D.
NPI 1821236852
Student in an Organized Health Care Education/Training Program in Brookline, MA

Active since January 29, 2009
99 POND AVE, #342, BROOKLINE, MA 02445(617) 708-4568 Get Directions Write a Review

NPPES record last updated: January 29, 2009. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Jan E Leyden M.d. NPPES

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

JAN E LEYDEN M.D. (NPI 1821236852) is an individual student in an organized health care education/training program in Brookline, Massachusetts, licensed in Massachusetts (238315) and active in the NPI registry since January 2009.

NPPES Registry Identity

NPI1821236852
Entity TypeIndividualMale
Primary Taxonomy390200000X
Provider Legal NameJAN E LEYDENCredential: M.D.
Location Address99 POND AVE, #342Brookline, MA 02445-7129
Mailing Address99 Pond Ave, #342Brookline, MA 02445-7129 · (617) 708-4568
Sole ProprietorYes
Enumeration DateJanuary 29, 2009
NPI 1821236852 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Taxonomy Code390200000X
License Licensed in MA · 238315
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
99 POND AVE, Brookline, MA 02445

Other Providers at the Same Location NPPES

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

Dentist (Endodontics)
99 POND AVE, APT 708
BROOKLINE, MA 02445

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 Jan Leyden's NPI number?

The NPI number for Jan Leyden is 1821236852. It was assigned to this individual provider in the NPPES registry on January 29, 2009.

Where is Jan Leyden located?

Jan Leyden practices at 99 Pond Ave #342, Brookline, MA 02445. The listed phone number is (617) 708-4568.

What is Jan Leyden's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

When was this NPI record last updated?

The NPPES record for Jan Leyden was last updated on January 29, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.