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

Mark A Costanzo, NP

Individual provider Pediatric Nurse Practitioner · NPI 1659850345

Mark A Costanzo, NP is a Pediatric Nurse Practitioner in Boston, Massachusetts. Works from 2 locations. Licensed in Kansas, Massachusetts and Missouri.

Licensed in
KS, MA, MO
In the registry since
2018
Specialties on file
3
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

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Practice location Address checks out

300 Longwood Ave
Boston, MA 02115-5724
Phone: (617) 355-6000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2401 Gillham Rd, Kansas City, MO 64108-4619 — (816) 234-3000

Specialties & licences

Pediatric Nurse Practitioner (primary) Taxonomy 363LP0200X · Licence 2018027810 (MO)
Pediatric Nurse Practitioner Taxonomy 363LP0200X · Licence RN2368659 (MA)
Pediatric Nurse Practitioner Taxonomy 363LP0200X · Licence 78321 (KS)

Record details

NPI number1659850345
Entity typeIndividual (Type 1)
GenderMale
Credentials NP
Sole proprietorNo
NPI enumeratedAugust 13, 2018
Last updated in NPPESApril 29, 2026
Certification dateApril 29, 2026
Mailing address300 Longwood Ave, Boston, MA 02115-5724

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