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

Robert D. Mathieson and Associates, MD, LLC

Organization Gastroenterology Physician · NPI 1972601433

Robert D. Mathieson and Associates, MD, LLC is a Gastroenterology Physician in Baltimore, Maryland. Licensed in Maryland. Registered with an NPI since 2006.

Licensed in
MD
In the registry since
2006
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

3333 N Calvert St Ste # 680
Baltimore, MD 21218-2867
Phone: (410) 243-4460
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence D21327 (MD)

Record details

NPI number1972601433
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Robert Mathieson — President · (410) 243-4460
NPI enumeratedSeptember 20, 2006
Last updated in NPPESMay 5, 2008
Mailing address3333 N Calvert St, Suite # 680, Baltimore, MD 21218-2867

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