Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

RUTH A HAZEN MD
NPI 1699763912
Pediatrics in Lynnfield, MA

Q: What is Ruth Hazen's NPI number?

The NPI number for Ruth Hazen is 1699763912. It was assigned to this individual provider in the NPPES registry on October 11, 2005.

Q: What is Ruth Hazen's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for Ruth Hazen 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 27 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.

Active since October 11, 2005

628 SALEM ST, LYNNFIELD, MA 01940(781) 599-1998(781) 599-1221 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Ruth A Hazen Md NPPES

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

RUTH A HAZEN MD (NPI 1699763912) is an individual pediatrics provider in Lynnfield, Massachusetts, licensed in Massachusetts (MA46056) and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1699763912

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameRUTH A HAZENCredential: MD

Location Address628 SALEM STLynnfield, MA 01940-2340

Mailing Address628 Salem StLynnfield, MA 01940-2340 · (781) 599-1998 · Fax (781) 599-1221

Phone(781) 599-1998

Fax(781) 599-1221

Sole ProprietorNo

Enumeration DateOctober 11, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1699763912 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in MA · MA46056

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

628 SALEM ST, Lynnfield, MA 01940

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Other Identifiers 5

Medicaid3011933MA

Other706807Tufts

Other200492Harvard/pilg

OtherB10083501Cigna

OtherJ05790Bcbs

Other Providers at the Same Location NPPES 9

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

DOROTHY J GANICK M.D.

Pediatrics

628 SALEM ST
LYNNFIELD, MA 01940

Essex County (781) 599-1998

MS. SHREEGOURI BHARATH SAVKUR PA

Physician Assistant

628 SALEM ST
LYNNFIELD, MA 01940

Essex County (781) 599-1998

LYNNFIELD PEDIATRICS

Pediatrics

628 SALEM ST
LYNNFIELD, MA 01940

Essex County (781) 599-1998

MR. MICHAEL STEPHEN SIROIS PA-C

Physician Assistant

628 SALEM ST, LYNNFIELD PEDIATRICS
LYNNFIELD, MA 01940

Essex County (781) 599-1998

JOHN A SCHEY MD

Pediatrics

628 SALEM ST
LYNNFIELD, MA 01940

Essex County (781) 599-1998

ARIANA CROFT CPNP-PC

Nurse Practitioner (Pediatrics)

628 SALEM ST
LYNNFIELD, MA 01940

Essex County (781) 599-1998

STEPHANIE ZELLER NP

Nurse Practitioner (Psychiatric/Mental Health)

628 SALEM ST
LYNNFIELD, MA 01940

Essex County (781) 599-1998

NORTHEAST PHYSICIAN PRACTICE

Clinic/Center (Primary Care)

628 SALEM ST
LYNNFIELD, MA 01940

Essex County (781) 598-4424

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 Ruth Hazen's NPI number?

The NPI number for Ruth Hazen is 1699763912. It was assigned to this individual provider in the NPPES registry on October 11, 2005.

Where is Ruth Hazen located?

Ruth Hazen practices at 628 Salem St, Lynnfield, MA 01940. The listed phone number is (781) 599-1998.

What is Ruth Hazen's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

When was this NPI record last updated?

The NPPES record for Ruth Hazen 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 27 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.