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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. JOEL JOSEPH FELDMAN MD
NPI 1780674804
Surgery in Cambridge, MA

Active since October 28, 2005
300 MOUNT AUBURN ST, STE 304, CAMBRIDGE, MA 02138(617) 661-5998(617) 661-6438 Get Directions Write a Review

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

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Dr. Joel Joseph Feldman Md NPPES

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

DR. JOEL JOSEPH FELDMAN MD (NPI 1780674804) is an individual surgery provider in Cambridge, Massachusetts, licensed in Massachusetts (39237) and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1780674804
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. JOEL JOSEPH FELDMANCredential: MD
Location Address300 MOUNT AUBURN ST, STE 304Cambridge, MA 02138-5600
Mailing AddressPo Box 9142Charlestown, MA 02129-9142 · (617) 724-0287 · Fax (617) 726-2894
Phone(617) 661-5998
Fax(617) 661-6438
Sole ProprietorNo
Enumeration DateOctober 28, 2005
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1780674804 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in MA · 39237
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
Also ListedPlastic SurgeryTaxonomy 208200000X · License 39237 (MA)
300 MOUNT AUBURN ST, Cambridge, MA 02138
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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.

DR. MARGARET LOVE MCLAUGHLIN M.D.
Internal Medicine (Nephrology)
300 MOUNT AUBURN ST, SUITE 515
CAMBRIDGE, MA 02138
Middlesex County (617) 864-1571
RODERICK H CROCKER JR. MD
Urology
300 MOUNT AUBURN ST, STE 519
CAMBRIDGE, MA 02138
Middlesex County (617) 547-4400
DR. THOMAS CAUGHEY MD
Internal Medicine (Hematology & Oncology)
300 MOUNT AUBURN ST, HEMA/ONC
CAMBRIDGE, MA 02138
Middlesex County (617) 497-9646
MISS JOANNE BRUNY NP
Nurse Practitioner (Family)
300 MOUNT AUBURN ST
CAMBRIDGE, MA 02138
Middlesex County (617) 492-3500
CAMBRIDGE OTOLARYNGOLOGY
Otolaryngology
300 MOUNT AUBURN ST, SUITE 308
CAMBRIDGE, MA 02138
Middlesex County (617) 354-1010
KAREN L AHLERT M.D.
Surgery
300 MOUNT AUBURN ST, SUITE 407
CAMBRIDGE, MA 02138
Middlesex County (617) 868-7456
DR. SHILPA JOSHI DESAI MD
Ophthalmology
300 MOUNT AUBURN ST
CAMBRIDGE, MA 02138
Middlesex County (617) 499-5571
DR. JULIO C. AYALA MD
Internal Medicine (Gastroenterology)
300 MOUNT AUBURN ST
CAMBRIDGE, MA 02138
Middlesex County (617) 499-0026

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 Joel Feldman's NPI number?

The NPI number for Joel Feldman is 1780674804. It was assigned to this individual provider in the NPPES registry on October 28, 2005.

Where is Joel Feldman located?

Joel Feldman practices at 300 Mount Auburn St Ste 304, Cambridge, MA 02138. The listed phone number is (617) 661-5998.

What is Joel Feldman's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

When was this NPI record last updated?

The NPPES record for Joel Feldman 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 28 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.