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HELEN MARGARET MAHONEY WEST RN, MSN, PNP
NPI 1487894986
Nurse Practitioner - Pediatrics in Boston, MA

Active since February 24, 2009PECOS Enrolled
333 LONGWOOD AVE, LO - 650, BOSTON, MA 02115(617) 355-6832(617) 730-0911 Get Directions Write a Review

NPPES record last updated: February 24, 2009. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Helen Margaret Mahoney West Rn, Msn, Pnp NPPES

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

HELEN MARGARET MAHONEY WEST RN, MSN, PNP (NPI 1487894986) is an individual pediatrics provider in Boston, Massachusetts, licensed in Massachusetts (164329) and active in the NPI registry since February 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1487894986
Entity TypeIndividualFemale
Primary Taxonomy363LP0200X
Provider Legal NameHELEN MARGARET MAHONEY WESTCredential: RN, MSN, PNP
Location Address333 LONGWOOD AVE, LO - 650Boston, MA 02115-5711
Mailing Address333 Longwood Ave, Lo - 650Boston, MA 02115-5711 · (617) 355-6832 · Fax (617) 730-0911
Phone(617) 355-6832
Fax(617) 730-0911
Sole ProprietorNo
Enumeration DateFebruary 24, 2009
✔ NPI 1487894986 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
License✔ Licensed in MA · 164329
333 LONGWOOD AVE, Boston, MA 02115
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Helen Margaret Mahoney West Rn, Msn, Pnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer– Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02115 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

KERRY MCGREGOR PSY.D.
Psychologist (Clinical Child & Adolescent)
333 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (757) 376-9801
LEANNA SHEA RD
Dietitian, Registered
333 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-4677
JUNE OKADA MS
Speech-Language Pathologist
333 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 354-1523
GRETA MARY SMITH
Dietitian, Registered (Nutrition, Pediatric)
333 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-7181
JACQUELINE MIRANDA LICSW
Social Worker (Clinical)
333 LONGWOOD AVE, FLOOR 6
BOSTON, MA 02115
Suffolk County (617) 355-5250
MERRILL WEITZEL MD
Obstetrics & Gynecology
333 LONGWOOD AVE, 5TH FLOOR CHILDRENS HOSPITAL PEDI GYN
BOSTON, MA 02115
Suffolk County (617) 355-7648
ELSEY WEISBERG
Dietitian, Registered
333 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (508) 423-5001
MARTA RAMON KRAUEL MD
Pediatrics (Pediatric Endocrinology)
333 LONGWOOD AVE, ENDOCRINE DIVISION 6TH FLOOR
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 Helen Mahoney West's NPI number?

The NPI number for Helen Mahoney West is 1487894986. It was assigned to this individual provider in the NPPES registry on February 24, 2009.

Where is Helen Mahoney West located?

Helen Mahoney West practices at 333 Longwood Ave Lo - 650, Boston, MA 02115. The listed phone number is (617) 355-6832.

What is Helen Mahoney West's specialty?

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

Is Helen Mahoney West enrolled in Medicare?

Yes. Helen Mahoney West is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Helen Mahoney West was last updated on February 24, 2009. NPI Profile syncs with the weekly NPPES data releases published by CMS.