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

Douglas Flagg, MD

Individual provider Rheumatology Physician · NPI 1821178013

Douglas Flagg, MD is a Rheumatology Physician in South Euclid, Ohio. Licensed in Ohio. Registered with an NPI since 2006.

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

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Practice location Address checks out

1611 S Green Rd # 65
South Euclid, OH 44121-4129
Phone: (216) 291-4050
Fax: (216) 691-3524
Show map & directions

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

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence 35-056239 (OH)

Record details

NPI number1821178013
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 16, 2006
Last updated in NPPESNovember 16, 2010

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