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EUGENIA CHAN MD
NPI 1215997192
Pediatrics - Developmental - Behavioral Pediatrics in Boston, MA

Active since March 24, 2006PECOS Enrolled
133 BROOKLINE AVE, BOSTON, MA 02215(617) 421-1000(617) 421-6084 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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

About Eugenia Chan Md NPPES

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

EUGENIA CHAN MD (NPI 1215997192) is an individual developmental - behavioral pediatrics provider in Boston, Massachusetts, licensed in Massachusetts (156686) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1215997192
Entity TypeIndividualFemale
Primary Taxonomy2080P0006X
Provider Legal NameEUGENIA CHANCredential: MD
Location Address133 BROOKLINE AVEBoston, MA 02215-3904
Mailing Address147 Milk St, Provider Enrollment - 9th FloorBoston, MA 02109-4806 · (617) 559-8053 · Fax (617) 421-3487
Phone(617) 421-1000
Fax(617) 421-6084
Sole ProprietorNo
Enumeration DateMarch 24, 2006
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1215997192 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Developmental - Behavioral PediatricsAllopathic & Osteopathic Physicians
Taxonomy Code2080P0006X
License✔ Licensed in MA · 156686
Definition
A developmental-behavioral specialist is a pediatrician with special training and experience who aims to foster understanding and promotion of optimal development of children and families through research, education, clinical care and advocacy efforts. This physician assists in the prevention, diagnosis, and management of developmental difficulties and problematic behaviors in children and in the family dysfunctions that compromise children's development.
Also ListedPediatricsTaxonomy 208000000X · License 156686 (MA)
133 BROOKLINE AVE, Boston, MA 02215
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Other Identifiers 5

Medicaid3199681MA
OtherJ21142MA · Blue Cross
OtherAA17606MA · Harvard Pilgrim
Other0015203MA · Neighborhood Health
Other156686MA · Tufts

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Taro Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Eugenia Chan 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 Eugenia Chan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Children's Hospital Pediatric Associates, Inc
0.6 mi
Pediatrics
300 LONGWOOD AVE
Boston, MA 02115
  • Reassigned Medicare billing, Massachusetts enrollment
  • 1,358 clinicians in this Medicare group
NPI 1457306664 (617) 355-6000

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

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.

MRS. MELISSA ASHLEY ZIOGAS APRN-FNP
Nurse Practitioner (Family)
133 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 421-1000
SHIVAUN ELAINE PIKE NP
Nurse Practitioner (Adult Health)
133 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 421-1000
HARRIET SCHEFT M.D.
Psychiatry & Neurology (Psychiatry)
133 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 421-2040
CAROL J ZUCKERMAN M.D.
Internal Medicine
133 BROOKLINE AVE, INTERNAL MEDICINE
BOSTON, MA 02215
Suffolk County (617) 421-5804
HARVARD VANGUARD MEDICAL ASSOCIATES
Social Worker
133 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 421-1000
DIANE L. GILWORTH NP
Registered Nurse
133 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 421-6050
MARGARET SIDOR PHD, CGC
Genetic Counselor, MS
133 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 421-1035
NED WILSON MORSE
Technician/Technologist (Optician)
133 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (174) 211-1496

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 Eugenia Chan's NPI number?

The NPI number for Eugenia Chan is 1215997192. It was assigned to this individual provider in the NPPES registry on March 24, 2006.

Where is Eugenia Chan located?

Eugenia Chan practices at 133 Brookline Ave, Boston, MA 02215. The listed phone number is (617) 421-1000.

What is Eugenia Chan's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Developmental - Behavioral Pediatrics, with taxonomy code 2080P0006X.

Is Eugenia Chan enrolled in Medicare?

Yes. Eugenia Chan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Eugenia Chan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Eugenia Chan reassigns Medicare benefits to Children's Hospital Pediatric Associates, 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 Eugenia Chan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Eugenia Chan accept?

Health plans from Taro Health list Eugenia Chan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Eugenia Chan 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 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.