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

Dr. Donald William Datlow, MD

Individual provider Internal Medicine Physician · NPI 1861697625

Dr. Donald William Datlow, MD is an Internal Medicine Physician in Chevy Chase, Maryland. Practices as a sole proprietor. Licensed in Maryland.

Licensed in
MD
In the registry since
2007
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

4515 Willard Ave Apt S1015
Chevy Chase, MD 20815-3622
Phone: (301) 652-0215
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence D0000977 (MD)

Record details

NPI number1861697625
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 20, 2007
Last updated in NPPESJuly 8, 2007
Mailing address4515 Willard Ave, Apt S1015, Chevy Chase, MD 20815-3622

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