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

Mary Di Masi, CNM

Individual provider Advanced Practice Midwife · NPI 1730610304

Mary Di Masi, CNM is an Advanced Practice Midwife in Arlington, Virginia. Works from 3 locations. Licensed in Maryland.

Licensed in
MD
In the registry since
2017
What do these letters mean?
CNM — Certified Nurse-Midwife
An advanced practice nurse who provides prenatal care and delivers babies.

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Practice location Address checks out

3833 Fairfax Dr Ste 360
Arlington, VA 22203
Phone: (571) 970-6050
Fax: (571) 970-6352
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 2500 Clarendon Blvd Apt 523, Arlington, VA 22201-3829 — (631) 320-6866
  • 3833 Fairfax Dr Ste 360, Arlington, VA 22203 — (571) 970-6050

Specialties & licences

Advanced Practice Midwife (primary) Taxonomy 367A00000X · Licence AC002025 (MD)

Record details

NPI number1730610304
Entity typeIndividual (Type 1)
GenderFemale
Credentials CNM
Sole proprietorNo
NPI enumeratedMarch 24, 2017
Last updated in NPPESNovember 6, 2018

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