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DR. SONIA LEWIN MD
NPI 1407846694
Pediatrics - Pediatric Emergency Medicine in Boston, MA

Active since October 27, 2005PECOS Enrolled
55 FRUIT ST # 01, BOSTON, MA 02114(617) 726-6709(617) 726-7415 Get Directions Write a Review

NPPES record last updated: May 8, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Sonia Lewin Md NPPES

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

DR. SONIA LEWIN MD (NPI 1407846694) is an individual pediatric emergency medicine provider in Boston, Massachusetts, licensed in Massachusetts (59141) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1407846694
Entity TypeIndividualFemale
Primary Taxonomy2080P0204X
Provider Legal NameDR. SONIA LEWINCredential: MD
Location Address55 FRUIT ST # 01Boston, MA 02114-2621
Mailing AddressPo Box 9142, Mass General Physician OrganizationCharlestown, MA 02129-9142 · (617) 724-0287 · Fax (617) 726-2894
Phone(617) 726-6709
Fax(617) 726-7415
Sole ProprietorNo
Enumeration DateOctober 27, 2005
Last NPPES UpdateMay 8, 2018
✔ NPI 1407846694 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric Emergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0204X
License✔ Licensed in MA · 59141
Definition
A pediatrician who has special qualifications to manage emergencies in infants and children.
Also ListedPediatricsTaxonomy 208000000X · License 59141 (MA)
55 FRUIT ST # 01, Boston, MA 02114
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Other Identifiers 3

Other059141MA · Tufts Health Plan
Medicaid3052281MA
OtherJ08675MA · Bcbs Ma

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Sonia Lewin 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 Reassignments

2

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

Massachusetts General Physicians Organization Inc
Same address
Dermatology
55 FRUIT ST, BUL 2
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,360 clinicians in this Medicare group
NPI 1801874573 (617) 724-0287
The General Hospital Corporation
Same address
General Acute Care Hospital
55 FRUIT ST, BULFINCH 360
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,234 clinicians in this Medicare group
NPI 1023049236 (617) 726-2000

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

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 Sonia Lewin's NPI number?

The NPI number for Sonia Lewin is 1407846694. It was assigned to this individual provider in the NPPES registry on October 27, 2005.

Where is Sonia Lewin located?

Sonia Lewin practices at 55 Fruit St # 01, Boston, MA 02114. The listed phone number is (617) 726-6709.

What is Sonia Lewin's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.

Is Sonia Lewin enrolled in Medicare?

Yes. Sonia Lewin is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Sonia Lewin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sonia Lewin reassigns Medicare benefits to 2 organizations: Massachusetts General Physicians Organization Inc (Boston, MA) and The General Hospital Corporation (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 Sonia Lewin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Sonia Lewin was last updated on May 8, 2018. 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.