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DAN L. LONGO M.D.
NPI 1790842664
Internal Medicine - Medical Oncology in Brookline, MA

Active since January 02, 2007
111 CYPRESS ST, BROOKLINE, MA 02445(857) 307-0896 Get Directions Write a Review

NPPES record last updated: June 14, 2012. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dan L. Longo M.d. NPPES

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

DAN L. LONGO M.D. (NPI 1790842664) is an individual medical oncology provider in Brookline, Massachusetts, licensed in Maryland (D0020564) and active in the NPI registry since January 2007.

NPPES Registry Identity

NPI1790842664
Entity TypeIndividualMale
Primary Taxonomy207RX0202X
Provider Legal NameDAN L. LONGOCredential: M.D.
Location Address111 CYPRESS STBrookline, MA 02445-6002
Mailing Address111 Cypress StBrookline, MA 02445-6002 · (857) 307-0896
Phone(857) 307-0896
Sole ProprietorNo
Enumeration DateJanuary 2, 2007
Last NPPES UpdateJune 14, 2012
✔ NPI 1790842664 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License✔ Licensed in MD · D0020564
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
111 CYPRESS ST, Brookline, MA 02445
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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. CLAUS REINSBERGER M.D., PH.D.
Psychiatry & Neurology (Neurology)
111 CYPRESS ST, BRIGHAM AND WOMEN'S HOSPITAL PO
BROOKLINE, MA 02445
Norfolk County (857) 307-0896
MITCHELL HOWARD RUBENSTEIN MD
Dermatology
111 CYPRESS ST
BROOKLINE, MA 02445
Norfolk County (857) 307-0896
ELLIOT ISRAEL MD
Internal Medicine (Pulmonary Disease)
111 CYPRESS ST
BROOKLINE, MA 02445
Norfolk County (857) 307-0896
SUSAN CELIA HELLERSTEIN MD
Obstetrics & Gynecology
111 CYPRESS ST
BROOKLINE, MA 02445
Norfolk County (857) 307-0896
BARBARA ANN DWORETZKY MD
Psychiatry & Neurology (Epilepsy)
111 CYPRESS ST, BRIGHAM AND WOMENS HOSPITAL DEPT OF NEUROLOGY
BROOKLINE, MA 02445
Norfolk County (857) 307-0896
RACHAEL A CLARK MD PHD
Dermatology
111 CYPRESS ST, BRIGHAM AND WOMENS HOSPITAL DEPARTMENT OF DERMATOLOGY
BROOKLINE, MA 02445
Norfolk County (857) 307-0896
DR. SARAH SCHMIDT GRANT MD
Internal Medicine (Pulmonary Disease)
111 CYPRESS ST
BROOKLINE, MA 02445
Norfolk County (857) 307-0896
DR. BENJAMIN Z GALPER MD
Internal Medicine (Cardiovascular Disease)
111 CYPRESS ST, BRIGHAM AND WOMEN'S HOSPITAL
BROOKLINE, MA 02445
Norfolk County (617) 582-1184

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 Dan Longo's NPI number?

The NPI number for Dan Longo is 1790842664. It was assigned to this individual provider in the NPPES registry on January 2, 2007.

Where is Dan Longo located?

Dan Longo practices at 111 Cypress St, Brookline, MA 02445. The listed phone number is (857) 307-0896.

What is Dan Longo's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

When was this NPI record last updated?

The NPPES record for Dan Longo was last updated on June 14, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.