1. Home
  2. Directory
  3. Massachusetts
  4. Chelmsford
  5. Nurse Practitioner
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JOHN WU NP
NPI 1447212725
Nurse Practitioner - Adult Health in Chelmsford, MA

Active since April 04, 2006
228 BILLERICA RD, CHELMSFORD, MA 01824(978) 250-6000(678) 250-6460 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About John Wu Np NPPES

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

JOHN WU NP (NPI 1447212725) is an individual adult health provider in Chelmsford, Massachusetts, licensed in Massachusetts (195801) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1447212725
Entity TypeIndividualMale
Primary Taxonomy363LA2200X
Provider Legal NameJOHN WUCredential: NP
Location Address228 BILLERICA RDChelmsford, MA 01824-3604
Mailing Address147 Milk St, Provider Enrollment - 9th FloorBoston, MA 02109-4806 · (617) 559-8053 · Fax (617) 421-3487
Phone(978) 250-6000
Fax(678) 250-6460
Sole ProprietorNo
Enumeration DateApril 4, 2006
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1447212725 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in MA · 195801
Also ListedNurse PractitionerTaxonomy 363L00000X · License 195801 (MA)
228 BILLERICA RD, Chelmsford, MA 01824
Open in Google Maps ↗

Other Identifiers 3

OtherNP0609MA · Blue Cross
OtherF700MA · Harvard Pilgrim
Medicaid0356620MA

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.

MS. KIT YAN LEE
Physical Therapist
228 BILLERICA RD
CHELMSFORD, MA 01824
Middlesex County (978) 250-6045
NATALIE C. HOWARD CCC-SLP
Speech-Language Pathologist
228 BILLERICA RD
CHELMSFORD, MA 01824
Middlesex County (978) 250-6040
DR. NATASHA THIVYA THIAGALINGAM DO
Pediatrics
228 BILLERICA RD
CHELMSFORD, MA 01824
Middlesex County (978) 250-6000
STEVEN A MORGENSTERN M.D.
Internal Medicine
228 BILLERICA RD, INTERNAL MEDICINE
CHELMSFORD, MA 01824
Middlesex County (978) 250-6100
CHANDRA RAMANATHAN M.D.
Pediatrics
228 BILLERICA RD
CHELMSFORD, MA 01824
Middlesex County (978) 250-6000
MEGAN PINETTE PSYD
Psychologist (Clinical)
228 BILLERICA RD
CHELMSFORD, MA 01824
Middlesex County (978) 250-6240
MRS. NICHOLE MARIE PERRIN APRN, FNP-C
Nurse Practitioner (Family)
228 BILLERICA RD
CHELMSFORD, MA 01824
Middlesex County (978) 250-6100
SONIA ALMEIDA PA
Physician Assistant
228 BILLERICA RD
CHELMSFORD, MA 01824
Middlesex County (603) 488-5154

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 John Wu's NPI number?

The NPI number for John Wu is 1447212725. It was assigned to this individual provider in the NPPES registry on April 4, 2006.

Where is John Wu located?

John Wu practices at 228 Billerica Rd, Chelmsford, MA 01824. The listed phone number is (978) 250-6000.

What is John Wu's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

When was this NPI record last updated?

The NPPES record for John Wu was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 days 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.