Physician Profile
Unclaimed ProfileAbout MAST
Based in Lancaster, PA, Daniel D Mast, D.O. is listed in the NPI registry under internal medicine. Daniel is also listed as specialising in geriatric medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Areas of Expertise
Common questions
What is Dr. Mast's specialty?
Dr. Mast is an internist in Lancaster, PA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Internal Medicine”.
NPI registry
Where can I find Dr. Mast?
Dr. Mast is listed at 802 NEW HOLLAND AVE STE 200, Lancaster, PA 17602. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Mast?
The number on file is (717) 299-6371. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Mast's NPI number?
Dr. Mast's National Provider Identifier is 1104910140. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How long has Dr. Mast been practising?
Dr. Mast has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practised for longer than this.
NPI registry
Has Dr. Mast confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mast. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (717) 299-6371
- Email not available
Practice Locations
802 NEW HOLLAND AVE STE 200
Lancaster, PA 17602
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other internists in Lancaster 8
Same specialty, same city.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.