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

Mark H. Eig, MD LLC

Organization Internal Medicine Physician · NPI 1215084355

Mark H. Eig, MD LLC is an Internal Medicine Physician in Silver Spring, Maryland. Licensed in Maryland. Registered with an NPI since 2007.

Licensed in
MD
In the registry since
2007
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

10801 Lockwood Dr Ste 280
Silver Spring, MD 20901-1556
Phone: (301) 520-1220
Fax: (301) 592-0440
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence D024886 (MD)

Record details

NPI number1215084355
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Mark Eig — President · (301) 592-1220
NPI enumeratedJanuary 4, 2007
Last updated in NPPESMarch 30, 2008
Mailing address10801 Lockwood Dr, Suite 280, Silver Spring, MD 20901-1556

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