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

Dr. Mara Ainsley Tietzen, MD

Individual provider Pediatrics Physician · NPI 1831720903

Dr. Mara Ainsley Tietzen, MD is a Pediatrics Physician in Boston, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts and ZZ.

Licensed in
MA, ZZ
In the registry since
2020
Specialties on file
2
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

300 Longwood Ave
Boston, MA 02115-5724
Phone: (857) 218-4924
Fax: (617) 730-0683
Show map & directions

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

Specialties & licences

Pediatric Sports Medicine Physician (primary) Taxonomy 2080S0010X · Licence 283657 (MA)
Pediatrics Physician Taxonomy 208000000X · Licence 41268 (ZZ)

Record details

NPI number1831720903
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 28, 2020
Last updated in NPPESJuly 9, 2021
Certification dateJuly 9, 2021

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