EILEEN MARY COSTELLO MD
NPI 1629053673
Pediatrics in Boston, MA

Q: What is Eileen Costello's NPI number?

The NPI number for Eileen Costello is 1629053673. It was assigned to this individual provider in the NPPES registry on December 13, 2005.

Q: What is Eileen Costello'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 Eileen Costello was last updated on August 28, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years 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 December 13, 2005PECOS Enrolled

850 HARRISON AVE, YACC 5, BOSTON, MA 02118(617) 414-5946(617) 414-4541 Get Directions Write a Review

NPPES record last updated: August 28, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Eileen Mary Costello Md NPPES

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

EILEEN MARY COSTELLO MD (NPI 1629053673) is an individual pediatrics provider in Boston, Massachusetts, licensed in Massachusetts (71766) and active in the NPI registry since December 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1629053673

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameEILEEN MARY COSTELLOCredential: MD

Location Address850 HARRISON AVE, YACC 5Boston, MA 02118-4001

Mailing Address720 Harrison Ave, Dob 503Boston, MA 02118-2371

Phone(617) 414-5946

Fax(617) 414-4541

Sole ProprietorNo

Enumeration DateDecember 13, 2005

Last NPPES UpdateAugust 28, 2015

✔ NPI 1629053673 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in MA · 71766

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.

850 HARRISON AVE, Boston, MA 02118

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Other Identifiers 1

Medicaid110048931AMA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Eileen Mary Costello Md 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.

Medicare Billing Reassignment

Medicare enrollment records show Eileen Costello reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Brigham & Womens Hospital, Inc.

1.7 mi

General Acute Care Hospital

75 FRANCIS ST
Boston, MA 02115

Reassigned Medicare billing, Massachusetts enrollment
220 clinicians in this Medicare group

NPI 1790717650 (617) 732-5500

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02118 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.

SHEELA S MARU MD

Obstetrics & Gynecology

850 HARRISON AVE, YACC 4
BOSTON, MA 02118

Suffolk County (617) 414-2000

LIDYA H WLASIUK M.D.

Family Medicine

850 HARRISON AVE, YACC 5
BOSTON, MA 02118

Suffolk County (617) 414-2080

DEBORAH A FRANK MD

Pediatrics

850 HARRISON AVE, YACC5
BOSTON, MA 02118

Suffolk County (617) 414-4841

BRIAN R PENTI M.D.

Family Medicine

850 HARRISON AVE, YACC 4
BOSTON, MA 02118

Suffolk County (617) 414-2080

MARY CHIN LICSW

Social Worker (Clinical)

850 HARRISON AVE, DOWLING 9
BOSTON, MA 02118

Suffolk County (617) 414-4672

ADELIZA OLIVERO MD

Psychiatry & Neurology (Psychiatry)

850 HARRISON AVE
BOSTON, MA 02118

Suffolk County (617) 414-5245

JEAN EWAN CNM

Advanced Practice Midwife

850 HARRISON AVE, YAWKEY 4TH FLOOR
BOSTON, MA 02118

Suffolk County (617) 414-2000

DOREEN LINEHAN RN

Registered Nurse

850 HARRISON AVE, DOWLING NORTH, SUITE 5108
BOSTON, MA 02118

Suffolk County (617) 638-7062

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 Eileen Costello's NPI number?

The NPI number for Eileen Costello is 1629053673. It was assigned to this individual provider in the NPPES registry on December 13, 2005.

Where is Eileen Costello located?

Eileen Costello practices at 850 Harrison Ave Yacc 5, Boston, MA 02118. The listed phone number is (617) 414-5946.

What is Eileen Costello's specialty?

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

Is Eileen Costello enrolled in Medicare?

Yes. Eileen Costello is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Eileen Costello's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Eileen Costello reassigns Medicare benefits to Brigham & Womens Hospital, Inc. (Boston, MA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Eileen Costello's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Eileen Costello was last updated on August 28, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years 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.