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LEO M CASS MDPC
NPI 1376564534
Internal Medicine in Winchester, MA

Active since July 22, 2006
223 SWANTON ST, WINCHESTER, MA 01890(781) 721-5025(781) 729-2297 Get Directions Write a Review

NPPES record last updated: March 17, 2018. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 17, 2018, Feb 28, 2018 (2 updates tracked since 2018).

About Leo M Cass Mdpc NPPES

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

LEO M CASS MDPC (NPI 1376564534) is a healthcare organization registered as an internal medicine in Winchester, Massachusetts and active in the NPI registry since July 2006. The organization maintains a secondary practice location in Winchester and lists Leo Maxwell Cass, President/physician, as its authorized official.

NPPES Registry Identity

NPI1376564534
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameLEO M CASS MDPC
Location Address223 SWANTON STWinchester, MA 01890-1968
Mailing AddressPo Box 2706Woburn, MA 01888-1306 · (781) 721-5025 · Fax (781) 729-2297
Phone(781) 721-5025
Fax(781) 729-2297
Organization SubpartNo
Authorized OfficialLeo Maxwell CassPresident/physician · (781) 721-5025
Enumeration DateJuly 22, 2006
Last NPPES UpdateMarch 17, 20182 updates tracked since enumeration
✔ NPI 1376564534 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 33744
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
223 SWANTON ST, Winchester, MA 01890
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Secondary Practice Location 1

Location 1184 Swanton StWinchester, MA 01890-1921 · Phone (781) 721-5025 · Fax (781) 729-2297

Other Identifiers 1

Medicaid9719253MA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 3

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

LEO MAXWELL CASS M.D.
Specialist
223 SWANTON ST
WINCHESTER, MA 01890
Middlesex County (781) 721-5025
EILEEN BRADLEY LICSW
Social Worker (Clinical)
223 SWANTON ST
WINCHESTER, MA 01890
Middlesex County (781) 729-9595
WINCHESTER NURSING CENTER, INC
Skilled Nursing Facility
223 SWANTON ST
WINCHESTER, MA 01890
Middlesex County (781) 729-9595

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 Leo M Cass Mdpc's NPI number?

The NPI number for Leo M Cass Mdpc is 1376564534. It was assigned to this organization in the NPPES registry on July 22, 2006.

Where is Leo M Cass Mdpc located?

Leo M Cass Mdpc is located at 223 Swanton St, Winchester, MA 01890. The listed phone number is (781) 721-5025.

What is Leo M Cass Mdpc's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Leo M Cass Mdpc was last updated on March 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.