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WILLIAM LEWANDER MD
NPI 1245244458
Pediatrics - Pediatric Emergency Medicine in Providence, RI

Active since July 27, 2006PECOS Enrolled
97.91/100
CMS Quality Rating
593 EDDY ST, CLAVERICK 2, PROVIDENCE, RI 02903(401) 854-2504(401) 854-2519 Get Directions Write a Review

NPPES record last updated: September 18, 2013. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About William Lewander Md NPPES

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

WILLIAM LEWANDER MD (NPI 1245244458) is an individual pediatric emergency medicine provider in Providence, Rhode Island, licensed in Rhode Island (MD06604) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1245244458
Entity TypeIndividualMale
Primary Taxonomy2080P0204X
Provider Legal NameWILLIAM LEWANDERCredential: MD
Location Address593 EDDY ST, CLAVERICK 2Providence, RI 02903-4923
Mailing AddressPo Box 9484Providence, RI 02940-9484 · (401) 854-2500 · Fax (401) 854-2519
Phone(401) 854-2504
Fax(401) 854-2519
Sole ProprietorNo
Enumeration DateJuly 27, 2006
Last NPPES UpdateSeptember 18, 2013
✔ NPI 1245244458 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 RI · MD06604
Definition
A pediatrician who has special qualifications to manage emergencies in infants and children.
Also ListedPediatricsTaxonomy 208000000X · License MD06604 (RI)
593 EDDY ST, Providence, RI 02903
Open in Google Maps ↗

Other Identifiers 8

Other10/02/2009RI · Nhpri
Medicaid3184749MA
Medicare ID-Type Unspecified007004936RI
Other1245244458RI · Npi
Other12/29/2008RI · Tufts
Other939025129RI · Ri Medicare Group Number
Medicare UPINC89864RI
Medicaid7000126RI

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William Lewander 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 William Lewander reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Brown Emergency Medicine
Same address
Emergency Medicine
593 EDDY ST, CLAVERICK 2
Providence, RI 02903
  • Reassigned Medicare billing, Rhode Island enrollment
  • 201 clinicians in this Medicare group
NPI 1962455022 (401) 444-4000
Lifespan Physician Group, Inc.
Same address
General Practice
593 EDDY ST
Providence, RI 02903
  • Reassigned Medicare billing, Rhode Island enrollment
  • 1,372 clinicians in this Medicare group
NPI 1407116643 (401) 444-6779

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

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

97.91/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality87.97
Promoting Interoperability100
Improvement Activities40

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.

DR. KEITH-AUSTIN SCARFO D.O.
Anesthesiology
593 EDDY ST, APC 6
PROVIDENCE, RI 02903
Providence County (401) 444-3777
AILEEN HSUEH
Surgery
593 EDDY ST
PROVIDENCE, RI 02903
Providence County (401) 444-8450
RHODE ISLAND HOSPITAL
General Acute Care Hospital
593 EDDY ST, MAIN 4
PROVIDENCE, RI 02903
Providence County (401) 444-7585
DR. GA HIE NAM M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
593 EDDY ST
PROVIDENCE, RI 02903
Providence County (401) 444-5057
EUGENIE ATALLAH
Psychiatry & Neurology (Neurology)
593 EDDY ST
PROVIDENCE, RI 02903
Providence County (401) 606-2645
BRET CAULFIELD
Physician Assistant
593 EDDY ST
PROVIDENCE, RI 02903
Providence County (401) 444-4000
JUNG HO GONG
Student in an Organized Health Care Education/Training Program
593 EDDY ST
PROVIDENCE, RI 02903
Providence County (401) 793-2695
FANNY HUANG MD
Student in an Organized Health Care Education/Training Program
593 EDDY ST
PROVIDENCE, RI 02903
Providence County (401) 444-4741

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 William Lewander's NPI number?

The NPI number for William Lewander is 1245244458. It was assigned to this individual provider in the NPPES registry on July 27, 2006.

Where is William Lewander located?

William Lewander practices at 593 Eddy St Claverick 2, Providence, RI 02903. The listed phone number is (401) 854-2504.

What is William Lewander's specialty?

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

Is William Lewander enrolled in Medicare?

Yes. William Lewander is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for William Lewander's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Lewander reassigns Medicare benefits to 2 organizations: Brown Emergency Medicine (Providence, RI) and Lifespan Physician Group, Inc. (Providence, RI). 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 William Lewander'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 William Lewander was last updated on September 18, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.