DR. AARON S BERNSTEIN MD, MPH
NPI 1255533675
Pediatrics in Boston, MA

Active since June 05, 2007PECOS Enrolled
300 LONGWOOD AVE, BOSTON, MA 02115(617) 355-6000 Get Directions Write a Review

NPPES record last updated: October 22, 2010. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Aaron S Bernstein Md, Mph NPPES

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

DR. AARON S BERNSTEIN MD, MPH (NPI 1255533675) is an individual pediatrics provider in Boston, Massachusetts, licensed in Massachusetts (234632) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1255533675
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDR. AARON S BERNSTEINCredential: MD, MPH
Location Address300 LONGWOOD AVEBoston, MA 02115-5724
Mailing Address111 Salisbury RdBrookline, MA 02445-2150 · (857) 498-2437
Sole ProprietorNo
Enumeration DateJune 5, 2007
Last NPPES UpdateOctober 22, 2010
✔ NPI 1255533675 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in MA · 234632
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.
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 (PECOS)

Dr. Aaron S Bernstein Md, Mph 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 Aaron Bernstein reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Pediatrics
300 LONGWOOD AVE
Boston, MA 02115
  • Reassigned Medicare billing, Massachusetts enrollment
  • 1,358 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 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.

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 Aaron Bernstein's NPI number?

The NPI number for Aaron Bernstein is 1255533675. It was assigned to this individual provider in the NPPES registry on June 5, 2007.

Where is Aaron Bernstein located?

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

What is Aaron Bernstein's specialty?

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

Is Aaron Bernstein enrolled in Medicare?

Yes. Aaron Bernstein is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Aaron Bernstein's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Aaron Bernstein 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 Aaron Bernstein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Aaron Bernstein accept?

Health plans from Taro Health list Aaron Bernstein 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 Aaron Bernstein was last updated on October 22, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.