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

Robert Michael Greenfield, MD

Individual provider Internal Medicine Physician · NPI 1821005984

Robert Michael Greenfield, MD is an Internal Medicine Physician in Annapolis, Maryland. Licensed in Maryland. Registered with an NPI since 2006.

Licensed in
MD
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

139 Old Solomons Island Rd
Annapolis, MD 21401
Phone: (410) 224-2222
Fax: (410) 224-4926
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 D0026373 (MD)

Record details

NPI number1821005984
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 2, 2006
Last updated in NPPESJuly 8, 2007
Mailing address139 Old Solomons Island Rd, Annapolis, MD 21401

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