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

Dr. Alexa Hanne Fleckenstein, MD

Individual provider Internal Medicine Physician · NPI 1689806283

Dr. Alexa Hanne Fleckenstein, MD is an Internal Medicine Physician in Brookline, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2009
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

111 Seaver St
Brookline, MA 02445-5753
Phone: (617) 834-9700
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 70436 (MA)

Record details

NPI number1689806283
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 14, 2009
Last updated in NPPESAugust 14, 2009

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