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

DR. SAM LEDER
NPI 1366283848
Student in an Organized Health Care Education/Training Program in Boston, MA

Active since June 06, 2024
333 LONGWOOD AVE, BOSTON, MA 02115(617) 919-7686 Get Directions Write a Review

NPPES record last updated: September 29, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 29, 2026, Jun 6, 2024 (2 updates tracked since 2024).

About Dr. Sam Leder NPPES

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

DR. SAM LEDER (NPI 1366283848) is an individual student in an organized health care education/training program in Boston, Massachusetts and active in the NPI registry since June 2024.

NPPES Registry Identity

NPI1366283848
Entity TypeIndividualFemale
Primary Taxonomy390200000X
Provider Legal NameDR. SAM LEDER
Location Address333 LONGWOOD AVEBoston, MA 02115-5711
Mailing Address84 Melrose StArlington, MA 02474-8536
Phone(617) 919-7686
Sole ProprietorNo
Enumeration DateJune 6, 2024
Last NPPES UpdateSeptember 29, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 29, 2026
✔ NPI 1366283848 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyStudent in an Organized Health Care Education/Training ProgramStudent, Health Care
Taxonomy Code390200000X
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.
333 LONGWOOD AVE, Boston, MA 02115
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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.

KERRY MCGREGOR PSY.D.
Psychologist (Clinical Child & Adolescent)
333 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (757) 376-9801
LEANNA SHEA RD
Dietitian, Registered
333 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-4677
JUNE OKADA MS
Speech-Language Pathologist
333 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 354-1523
GRETA MARY SMITH
Dietitian, Registered (Nutrition, Pediatric)
333 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-7181
JACQUELINE MIRANDA LICSW
Social Worker (Clinical)
333 LONGWOOD AVE, FLOOR 6
BOSTON, MA 02115
Suffolk County (617) 355-5250
MERRILL WEITZEL MD
Obstetrics & Gynecology
333 LONGWOOD AVE, 5TH FLOOR CHILDRENS HOSPITAL PEDI GYN
BOSTON, MA 02115
Suffolk County (617) 355-7648
ELSEY WEISBERG
Dietitian, Registered
333 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (508) 423-5001
MARTA RAMON KRAUEL MD
Pediatrics (Pediatric Endocrinology)
333 LONGWOOD AVE, ENDOCRINE DIVISION 6TH FLOOR
BOSTON, MA 02115
Suffolk County (617) 355-6000

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 Sam Leder's NPI number?

The NPI number for Sam Leder is 1366283848. It was assigned to this individual provider in the NPPES registry on June 6, 2024.

Where is Sam Leder located?

Sam Leder practices at 333 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 919-7686.

What is Sam Leder'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 Sam Leder was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 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.