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MARK A COSTANZO NP
NPI 1659850345
Nurse Practitioner - Pediatrics in Boston, MA

Active since August 13, 2018
300 LONGWOOD AVE, BOSTON, MA 02115(617) 355-6000 Get Directions Write a Review

NPPES record last updated: April 29, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 29, 2026, Oct 25, 2022, Aug 13, 2018 (3 updates tracked since 2018).

About Mark A Costanzo Np NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARK A COSTANZO NP (NPI 1659850345) is an individual pediatrics provider in Boston, Massachusetts, licensed in Missouri (2018027810) and active in the NPI registry since August 2018. He maintains a secondary practice location in Kansas City.

NPPES Registry Identity

NPI1659850345
Entity TypeIndividualMale
Primary Taxonomy363LP0200X
Provider Legal NameMARK A COSTANZOCredential: NP
Location Address300 LONGWOOD AVEBoston, MA 02115-5724
Mailing Address300 Longwood AveBoston, MA 02115-5724
Phone(617) 355-6000
Sole ProprietorNo
Enumeration DateAugust 13, 2018
Last NPPES UpdateApril 29, 20263 updates tracked since enumeration
NPPES CertifiedApril 29, 2026
✔ NPI 1659850345 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · PediatricsPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0200X
Licenses✔ Licensed in MO · 2018027810✔ Licensed in MA · RN2368659✔ Licensed in KS · 78321
300 LONGWOOD AVE, Boston, MA 02115
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Secondary Practice Location 1

Location 12401 Gillham RdKansas City, MO 64108-4619 · Phone (816) 234-3000

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JULIE ANN HANSEN LCSW
Social Worker (Clinical)
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (857) 218-4309
MS. ANNA ROGLIERI
Nurse Practitioner (Psychiatric/Mental Health)
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-6000
STEPHEN G. FLYNN M.D.
Anesthesiology (Pediatric Anesthesiology)
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-6000
MISS LAUREN ASHLEY MASTERSON P.T., D.P.T
Physical Therapist
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-7216
MS. SOYUN KWAN LICSW
Social Worker (Clinical)
300 LONGWOOD AVE, CHILDREN'S HOSPITAL BOSTON
BOSTON, MA 02115
Suffolk County (617) 355-0567
PUJA BANKA M.D.
Pediatrics
300 LONGWOOD AVE, BADER 203
BOSTON, MA 02115
Suffolk County (617) 355-6363
MR. COURTNEY SULLIVAN FRATTO CPNP
Nurse Practitioner (Pediatrics)
300 LONGWOOD AVE, HUNNEWELL BUILDING 322
BOSTON, MA 02115
Suffolk County (857) 218-4085
DR. ELIZABETH S TAGLAUER M.D., PH.D.
Pediatrics (Neonatal-Perinatal Medicine)
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-6000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Costanzo's NPI number?

The NPI number for Mark Costanzo is 1659850345. It was assigned to this individual provider in the NPPES registry on August 13, 2018.

Where is Mark Costanzo located?

Mark Costanzo practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-6000.

What is Mark Costanzo's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

When was this NPI record last updated?

The NPPES record for Mark Costanzo was last updated on April 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.