Michael Mash, MD LLC
NPI 1669562583 · Internal Medicine Physician · Norristown, PA
Michael Mash, MD LLC is a Internal Medicine Physician provider in Norristown, PA (NPI 1669562583).
Provider details
- NPI number
- 1669562583
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD LLC
- Sex
- Male
- Sole proprietor
- No
- License
- MD027851E (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-13
- Last updated
- 2007-07-08
Frequently asked questions
- What is Michael Mash's NPI number?
- Michael Mash's National Provider Identifier (NPI) is 1669562583, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Mash's specialty?
- Michael Mash is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Mash located?
- Michael Mash's practice location on file with NPPES is 1639 Dekalb St, Norristown, PA 19401-5414.
- What is Michael Mash's phone number?
- The practice phone number listed in the NPPES registry for Michael Mash is (610) 272-2272.
- Is Michael Mash's NPI active?
- Yes — Michael Mash's NPI (1669562583) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.