Sarah B Walker, MD - Medicare Pediatrics in Chicago, IL

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Sarah B Walker, MD is a medicare enrolled "Pediatrics - Pediatric Critical Care Medicine" physician in Chicago, Illinois. Her current practice location is 225 E Chicago Ave, Chicago, Illinois. You can reach out to her office (for appointments etc.) via phone at (312) 227-4000.

Sarah B Walker is licensed to practice in Colorado (license number DR.0073308) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1124364708.

Contact Information

Sarah B Walker, MD
225 E Chicago Ave,
Chicago, IL 60611-2991
(312) 227-4000
Not Available

Map and Direction




Physician's Profile

Full NameSarah B Walker
GenderFemale
SpecialityPediatrics - Pediatric Critical Care Medicine
Location225 E Chicago Ave, Chicago, Illinois
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1124364708
  • Provider Enumeration Date: 12/30/2012
  • Last Update Date: 07/25/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 8325307366
  • Enrollment ID: I20180119000040

Medical Identifiers

Medical identifiers for Sarah B Walker such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1124364708NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics MD461030 (Pennsylvania)Secondary
2080P0203XPediatrics - Pediatric Critical Care Medicine 036148622 (Illinois)Secondary
2080P0203XPediatrics - Pediatric Critical Care Medicine DR.0073308 (Colorado)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Sarah B Walker allows following entities to bill medicare on her behalf.
Entity NameChildrens Health Care Associates Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1598869059
PECOS PAC ID: 1355253527
Enrollment ID: O20040216001108

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Sarah B Walker is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Sarah B Walker, MD
Po Box 110429,
Aurora, CO 80042-0429

Ph: () -		Sarah B Walker, MD
225 E Chicago Ave,
Chicago, IL 60611-2991

Ph: (312) 227-4000

Reviews and Comments


Pediatrics Doctors in Chicago, IL

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Phone: 312-942-5983    Fax: 312-563-2519
Dr. Gustave Falciglia, MD
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Phone: 312-227-4190    
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Phone: 630-933-6631    
Bernadeta Leegan Wibisono, M.D.
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Practice Location: 2951 S King Dr Apt 1004, Chicago, IL 60616
Phone: 312-351-1346    
Allie Dakroub, MD MS
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Ajay Bhasin,
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Practice Location: 251 E Huron St, Chicago, IL 60611
Phone: 312-926-5924    
Kyle L Macquarrie, MD PHD
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Medicare: Not Enrolled in Medicare
Practice Location: 225 E Chicago Ave # 30, Chicago, IL 60611
Phone: 312-227-4000    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

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