DR. NAO SASAKI M.D
NPI 1912166299
Pediatrics - Pediatric Cardiology in Boston, MA

Active since June 03, 2008PECOS EnrolledAccepts Medicare Assignment
300 LONGWOOD AVE, BOSTON, MA 02115(617) 355-6000 Get Directions Write a Review

NPPES record last updated: June 9, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 9, 2022, Sep 21, 2021 (2 updates tracked since 2021).

About Dr. Nao Sasaki M.d NPPES

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

DR. NAO SASAKI M.D (NPI 1912166299) is an individual pediatric cardiology provider in Boston, Massachusetts, licensed in Massachusetts (292324) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS, is affiliated with Boston Children's Hospital, and is a graduate of Other (2003).

NPPES Registry Identity

NPI1912166299
Entity TypeIndividualFemale
Primary Taxonomy2080P0202X
Provider Legal NameDR. NAO SASAKICredential: M.D
Location Address300 LONGWOOD AVEBoston, MA 02115-5724
Mailing Address300 Longwood AveBoston, MA 02115-5724 · (617) 355-6000
Sole ProprietorNo
Medical School CMSOtherGraduated 2003
Enumeration DateJune 3, 2008
Last NPPES UpdateJune 9, 20222 updates tracked since enumeration
NPPES CertifiedJune 9, 2022
✔ NPI 1912166299 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0202X
Licenses✔ Licensed in MA · 292324✔ Licensed in NY · 308139-01✔ Licensed in FL · ME107460
Definition
A pediatric cardiologist provides comprehensive care to patients with cardiovascular problems. This specialist is skilled in selecting, performing and evaluating the structural and functional assessment of the heart and blood vessels, and the clinical evaluation of cardiovascular disease.
300 LONGWOOD AVE, Boston, MA 02115

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Nao Sasaki M.d is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6002002664
PECOS Enrollment IDI20220708003096
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 Reassignments

3

Medicare enrollment records show Nao Sasaki reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pediatric Cardiology
300 LONGWOOD AVE
Boston, MA 02115
  • Reassigned Medicare billing, Massachusetts enrollment
  • 220 clinicians in this Medicare group
Psychologist
21 BLOOMINGDALE RD, DEPT. OF PSYCHIATRY
White Plains, NY 10605
  • Reassigned Medicare billing, New York enrollment
  • Medicare enrollment name: Weill Medical College Of Cornell
  • 980 clinicians in this Medicare group
Pediatrics
1275 YORK AVE
New York, NY 10021
  • Reassigned Medicare billing, New York enrollment
  • 220 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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Boston Children's Hospital

Childrens · Boston, MA
OwnershipVoluntary non-profit - Private
CMS Certification Number223302
Location300 Longwood AvenueBoston, MA 02115 · Suffolk County
Emergency services

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.

Social Worker (Clinical)
300 LONGWOOD AVE
BOSTON, MA 02115
Nurse Practitioner (Psychiatric/Mental Health)
300 LONGWOOD AVE
BOSTON, MA 02115
Anesthesiology (Pediatric Anesthesiology)
300 LONGWOOD AVE
BOSTON, MA 02115
Physical Therapist
300 LONGWOOD AVE
BOSTON, MA 02115
Social Worker (Clinical)
300 LONGWOOD AVE, CHILDREN'S HOSPITAL BOSTON
BOSTON, MA 02115
Pediatrics
300 LONGWOOD AVE, BADER 203
BOSTON, MA 02115
Nurse Practitioner (Pediatrics)
300 LONGWOOD AVE, HUNNEWELL BUILDING 322
BOSTON, MA 02115
Pediatrics (Neonatal-Perinatal Medicine)
300 LONGWOOD AVE
BOSTON, MA 02115

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 Nao Sasaki's NPI number?

The NPI number for Nao Sasaki is 1912166299. It was assigned to this individual provider in the NPPES registry on June 3, 2008.

Where is Nao Sasaki located?

Nao Sasaki practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-6000.

What is Nao Sasaki's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.

Is Nao Sasaki enrolled in Medicare?

Yes. Nao Sasaki is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Nao Sasaki's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nao Sasaki reassigns Medicare benefits to 3 organizations: Boston Childrens Heart Foundation Inc (Boston, MA), Weill Medical College Of Cornell University (White Plains, NY) and Memorial Pediatric Group (New York, NY). Each 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 Nao Sasaki's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nao Sasaki accept?

Health plans from Anthem Blue Cross and Blue Shield, Molina Healthcare and Taro Health list Nao Sasaki 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.

Is Nao Sasaki affiliated with any hospitals?

According to CMS data, Nao Sasaki is affiliated with Boston Children's Hospital.

When was this NPI record last updated?

The NPPES record for Nao Sasaki was last updated on June 9, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.