Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Michael John Mash, MDLLC

Individual provider Internal Medicine Physician · NPI 1669562583

Dr. Michael John Mash, MDLLC is an Internal Medicine Physician in Norristown, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2006.

Licensed in
PA
In the registry since
2006

Practice location Address checks out

1639 Dekalb St
Norristown, PA 19401-5414
Phone: (610) 272-2272
Fax: (610) 279-6286
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD027851E (PA)

Record details

NPI number1669562583
Entity typeIndividual (Type 1)
GenderMale
Credentials MDLLC
Sole proprietorNo
NPI enumeratedOctober 13, 2006
Last updated in NPPESJuly 8, 2007
Mailing address1639 Dekalb St, Norristown, PA 19401-5414

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