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DR. MICHAEL JOHN MASH MD LLC
NPI 1669562583
Internal Medicine in Norristown, PA

Active since October 13, 2006
1639 DEKALB ST, NORRISTOWN, PA 19401(610) 272-2272(610) 279-6286 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Michael John Mash Md Llc NPPES

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

DR. MICHAEL JOHN MASH MD LLC (NPI 1669562583) is an individual internal medicine provider in Norristown, Pennsylvania, licensed in Pennsylvania (MD027851E) and active in the NPI registry since October 2006.

NPPES Registry Identity

NPI1669562583
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. MICHAEL JOHN MASHCredential: MD LLC
Location Address1639 DEKALB STNorristown, PA 19401-5414
Mailing Address1639 Dekalb StNorristown, PA 19401-5414 · (610) 272-2272 · Fax (610) 279-6286
Phone(610) 272-2272
Fax(610) 279-6286
Sole ProprietorNo
Enumeration DateOctober 13, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1669562583 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in PA · MD027851E
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.
1639 DEKALB ST, Norristown, PA 19401
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Other Identifiers 5

Medicare ID-Type UnspecifiedMA420069
Other0045906000Employer Id#
Medicaid0921387PA
Other0045906000Bcbs
Medicare UPINC33776

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 Michael Mash's NPI number?

The NPI number for Michael Mash is 1669562583. It was assigned to this individual provider in the NPPES registry on October 13, 2006.

Where is Michael Mash located?

Michael Mash practices at 1639 Dekalb St, Norristown, PA 19401. The listed phone number is (610) 272-2272.

What is Michael Mash'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 Michael Mash was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.