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JOHN SARWARK MD
NPI 1780670331
Orthopaedic Surgery in Chicago, IL

Active since September 20, 2005PECOS Enrolled
225 E CHICAGO AVE # 69, LURIE CHILDREN'S HOSPITAL OF CHICAGO, CHICAGO, IL 60611(312) 227-6190(312) 227-9404 Get Directions Write a Review

NPPES record last updated: February 15, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About John Sarwark Md NPPES

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

JOHN SARWARK MD (NPI 1780670331) is an individual orthopaedic surgery provider in Chicago, Illinois, licensed in Illinois (036060820) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1780670331
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameJOHN SARWARKCredential: MD
Location Address225 E CHICAGO AVE # 69, LURIE CHILDREN'S HOSPITAL OF CHICAGOChicago, IL 60611-2991
Mailing Address225 E Chicago Ave # 69, Lurie Children's Hospital Of ChicagoChicago, IL 60611-2991 · (312) 227-6190 · Fax (312) 227-9404
Phone(312) 227-6190
Fax(312) 227-9404
Sole ProprietorNo
Enumeration DateSeptember 20, 2005
Last NPPES UpdateFebruary 15, 2013
✔ NPI 1780670331 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License✔ Licensed in IL · 036060820
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
225 E CHICAGO AVE # 69, Chicago, IL 60611
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Other Identifiers 4

Medicaid036060820IL
Medicare PINP10712IL
Medicare UPINC51421IL
Other1627123IL · Bcbs Provider Id

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

John Sarwark 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 Reassignment

Medicare enrollment records show John Sarwark reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Lurie Children's Medical Group Inc
Same address
Pediatrics
225 E CHICAGO AVE
Chicago, IL 60611
  • Reassigned Medicare billing, Illinois enrollment
  • 826 clinicians in this Medicare group
NPI 1518064716 (312) 227-6412

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 60611 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
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
Most-billed visit code 99213
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 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CYNTHIA LABELLA MD
Internal Medicine (Sports Medicine)
225 E CHICAGO AVE # 69, LURIE CHILDREN'S HOSPITAL OF CHICAGO
CHICAGO, IL 60611
Cook County (312) 227-6190
JOHN GRAYHACK MD
Orthopaedic Surgery
225 E CHICAGO AVE # 69, LURIE CHILDREN'S HOSPITAL OF CHICAGO
CHICAGO, IL 60611
Cook County (312) 227-6190
KRISTINE SANTOS MARTIN APN
Nurse Practitioner (Pediatrics)
225 E CHICAGO AVE # 69
CHICAGO, IL 60611
Cook County (312) 227-6190
SIGRID FOSTVEDT WOLF M.D.
Pediatrics
225 E CHICAGO AVE # 69
CHICAGO, IL 60611
Cook County (206) 987-2525
ELIZABETH GALVAN CASTRO PA-C
Physician Assistant
225 E CHICAGO AVE # 69
CHICAGO, IL 60611
Cook County (312) 227-6190
MRS. KATHERINE KERRIGAN SHANNON RN, MS
Nurse Practitioner (Pediatrics)
225 E CHICAGO AVE # 69, LURIE CHILDREN'S HOSPITAL OF CHICAGO
CHICAGO, IL 60611
Cook County (312) 227-6190
DR. CRAIG JUSTIN FINLAYSON MD
Orthopaedic Surgery
225 E CHICAGO AVE # 69, LURIE CHILDREN'S HOSPITAL OF CHICAGO
CHICAGO, IL 60611
Cook County (312) 227-6190

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 John Sarwark's NPI number?

The NPI number for John Sarwark is 1780670331. It was assigned to this individual provider in the NPPES registry on September 20, 2005.

Where is John Sarwark located?

John Sarwark practices at 225 E Chicago Ave # 69 Lurie Children's Hospital Of Chicago, Chicago, IL 60611. The listed phone number is (312) 227-6190.

What is John Sarwark's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is John Sarwark enrolled in Medicare?

Yes. John Sarwark is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for John Sarwark's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Sarwark reassigns Medicare benefits to Lurie Children's Medical Group Inc (Chicago, IL). 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 John Sarwark'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 John Sarwark was last updated on February 15, 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.