DR. MADDIE Y HAO MD-PEDIATRICS
NPI 1861461808
Pediatrics in Quincy, MA

Active since March 14, 2006PECOS Enrolled
435 HANCOCK ST, QUINCY, MA 02171(617) 745-0280(617) 745-0288 Get Directions Write a Review

NPPES record last updated: April 2, 2009. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Maddie Y Hao Md-pediatrics NPPES

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

DR. MADDIE Y HAO MD-PEDIATRICS (NPI 1861461808) is an individual pediatrics provider in Quincy, Massachusetts, licensed in Massachusetts (158402) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1861461808
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. MADDIE Y HAOCredential: MD-PEDIATRICS
Location Address435 HANCOCK STQuincy, MA 02171-2428
Mailing Address435 Hancock StQuincy, MA 02171-2428 · (617) 745-0280 · Fax (617) 745-0288
Fax(617) 745-0288
Sole ProprietorNo
Enumeration DateMarch 14, 2006
Last NPPES UpdateApril 2, 2009
✔ NPI 1861461808 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in MA · 158402
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.
435 HANCOCK ST, Quincy, MA 02171

Other Identifiers 3

Medicare UPING97401MA
Medicaid0118915MA
Medicare ID-Type UnspecifiedA29862MA

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Maddie Y Hao Md-pediatrics 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 Maddie Hao reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Federally Qualified Health Center (FQHC)
885 WASHINGTON ST
Boston, MA 02111
  • Reassigned Medicare billing, Massachusetts enrollment
  • 31 clinicians in this Medicare group

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 02171 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 9

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

Dentist (General Practice)
435 HANCOCK ST
QUINCY, MA 02171
Nurse Practitioner (Primary Care)
435 HANCOCK ST
QUINCY, MA 02171
Nurse Practitioner (Family)
435 HANCOCK ST
QUINCY, MA 02171
Nurse Practitioner
435 HANCOCK ST
QUINCY, MA 02171
Dentist (General Practice)
435 HANCOCK ST
QUINCY, MA 02171
Internal Medicine
435 HANCOCK ST, SOUTH COVE COMMUNITY HEALTH CARE CTR
QUINCY, MA 02171
Pharmacy (Community/Retail Pharmacy)
435 HANCOCK ST
QUINCY, MA 02171
Nurse Practitioner (Family)
435 HANCOCK ST
QUINCY, MA 02171

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 Maddie Hao's NPI number?

The NPI number for Maddie Hao is 1861461808. It was assigned to this individual provider in the NPPES registry on March 14, 2006.

Where is Maddie Hao located?

Maddie Hao practices at 435 Hancock St, Quincy, MA 02171. The listed phone number is (617) 745-0280.

What is Maddie Hao's specialty?

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

Is Maddie Hao enrolled in Medicare?

Yes. Maddie Hao is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Maddie Hao's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maddie Hao reassigns Medicare benefits to South Cove Community Health Center, 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 Maddie Hao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Maddie Hao accept?

Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Maddie Hao 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 Maddie Hao was last updated on April 2, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.