DR. MATTHEW DAVID MILEWSKI M.D.
NPI 1184808131
Orthopaedic Surgery - Pediatric Orthopaedic Surgery in Boston, MA

Q: What is Matthew Milewski's NPI number?

The NPI number for Matthew Milewski is 1184808131. It was assigned to this individual provider in the NPPES registry on December 27, 2007.

Q: What is Matthew Milewski's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Pediatric Orthopaedic Surgery, with taxonomy code 207XP3100X.

Q: When was this NPI record last updated?

The NPPES record for Matthew Milewski was last updated on October 26, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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 27, 2007PECOS Enrolled

300 LONGWOOD AVE, BOSTON, MA 02115(617) 355-6000 Get Directions Write a Review

NPPES record last updated: October 26, 2017. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Matthew David Milewski M.d. NPPES

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

DR. MATTHEW DAVID MILEWSKI M.D. (NPI 1184808131) is an individual pediatric orthopaedic surgery provider in Boston, Massachusetts, licensed in Massachusetts (273115) and active in the NPI registry since December 2007. He is enrolled in Medicare PECOS and maintains a secondary practice location in Hartford.

NPPES Registry Identity

NPI1184808131

Entity TypeIndividualMale

Primary Taxonomy207XP3100X

Provider Legal NameDR. MATTHEW DAVID MILEWSKICredential: M.D.

Location Address300 LONGWOOD AVEBoston, MA 02115-5724

Mailing Address300 Longwood AveBoston, MA 02115-5724 · (617) 355-6000

Phone(617) 355-6000

Sole ProprietorNo

Enumeration DateDecember 27, 2007

Last NPPES UpdateOctober 26, 2017

✔ NPI 1184808131 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic Surgery · Pediatric Orthopaedic SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207XP3100X

Licenses✔ Licensed in MA · 273115✔ Licensed in CT · 050615

Definition

An orthopedic surgeon who has additional training and experience in diagnosing, treating and managing musculoskeletal problems in infants, children and adolescents. These may include limb and spine deformities (such as club foot, scoliosis); gait abnormalities (limping); bone and joint infections; broken bones.

Also ListedOrthopaedic Surgery · Sports MedicineTaxonomy 207XX0005X · License 273115 (MA), 050615 (CT)

300 LONGWOOD AVE, Boston, MA 02115

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Secondary Practice Location 1

Location 1282 Washington St, CT Children's Medical CenterHartford, CT 06106-3322 · Phone (860) 284-0220 · Fax (860) 284-0221

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.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. Matthew David Milewski M.d. 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 Reassignments

Medicare enrollment records show Matthew Milewski reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Children's Orthopaedic Surgery Foundation, Inc.

Same address

Pediatric Orthopaedic Surgery

300 LONGWOOD AVE
Boston, MA 02115

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

NPI 1548344393 (617) 355-6021

Children's Sports Medicine Foundation Inc.

Same address

Orthopaedic Surgery

300 LONGWOOD AVE
Boston, MA 02115

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

NPI 1740216811 (617) 355-5971

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.

JULIE ANN HANSEN LCSW

Social Worker (Clinical)

300 LONGWOOD AVE
BOSTON, MA 02115

Suffolk County (857) 218-4309

MS. ANNA ROGLIERI

Nurse Practitioner (Psychiatric/Mental Health)

300 LONGWOOD AVE
BOSTON, MA 02115

Suffolk County (617) 355-6000

STEPHEN G. FLYNN M.D.

Anesthesiology (Pediatric Anesthesiology)

300 LONGWOOD AVE
BOSTON, MA 02115

Suffolk County (617) 355-6000

MRS. LAUREN ASHLEY SHARIS P.T., D.P.T

Physical Therapist

300 LONGWOOD AVE
BOSTON, MA 02115

Suffolk County (617) 355-7216

MS. SOYUN KWAN LICSW

Social Worker (Clinical)

300 LONGWOOD AVE, CHILDREN'S HOSPITAL BOSTON
BOSTON, MA 02115

Suffolk County (617) 355-0567

PUJA BANKA M.D.

Pediatrics

300 LONGWOOD AVE, BADER 203
BOSTON, MA 02115

Suffolk County (617) 355-6363

MR. COURTNEY SULLIVAN FRATTO CPNP

Nurse Practitioner (Pediatrics)

300 LONGWOOD AVE, HUNNEWELL BUILDING 322
BOSTON, MA 02115

Suffolk County (857) 218-4085

DR. ELIZABETH S TAGLAUER M.D., PH.D.

Pediatrics (Neonatal-Perinatal Medicine)

300 LONGWOOD AVE
BOSTON, MA 02115

Suffolk County (617) 355-6000

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 Matthew Milewski's NPI number?

The NPI number for Matthew Milewski is 1184808131. It was assigned to this individual provider in the NPPES registry on December 27, 2007.

Where is Matthew Milewski located?

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

What is Matthew Milewski's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Pediatric Orthopaedic Surgery, with taxonomy code 207XP3100X.

Is Matthew Milewski enrolled in Medicare?

Yes. Matthew Milewski is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Matthew Milewski's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Milewski reassigns Medicare benefits to 2 organizations: Children's Orthopaedic Surgery Foundation, Inc. (Boston, MA) and Children's Sports Medicine Foundation Inc. (Boston, MA). 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 Matthew Milewski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Matthew Milewski accept?

Health plans from Anthem Blue Cross and Blue Shield list Matthew Milewski 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 Matthew Milewski was last updated on October 26, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.