Mr William S Piekarz, LCSW - Medicare Clinical Social Worker in Oak Brook, IL

Mr William S Piekarz, LCSW is a medicare enrolled "Social Worker - Clinical" provider in Oak Brook, Illinois. He graduated from medical school in 2005 and has 19 years of diverse experience with area of expertise as Clinical Social Worker. His current practice location is 2625 Butterfield Rd, Ste 103w, Oak Brook, Illinois. You can reach out to his office (for appointments etc.) via phone at (630) 418-5316.

Mr William S Piekarz is licensed to practice in Illinois (license number 149.014069) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1699093153.

Contact Information

Mr William S Piekarz, LCSW
2625 Butterfield Rd, Ste 103w,
Oak Brook, IL 60523-3418
(630) 418-5316
(630) 586-3800

Map and Direction




Healthcare Provider's Profile

Full NameMr William S Piekarz
GenderMale
SpecialityClinical Social Worker
Experience19 Years
Location2625 Butterfield Rd, Oak Brook, Illinois
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Mr William S Piekarz graduated from medical school in 2005
  NPI Data:
  • NPI Number: 1699093153
  • Provider Enumeration Date: 05/08/2010
  • Last Update Date: 04/25/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 9931495751
  • Enrollment ID: I20160902001714

Medical Identifiers

Medical identifiers for Mr William S Piekarz such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1699093153NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
1041C0700XSocial Worker - Clinical 149.014069 (Illinois)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. Mr William S Piekarz allows following entities to bill medicare on his behalf.
Entity NameSteven Ray Lindahl
Entity TypePractitioner - Clinical Social Worker
Entity IdentifiersNPI Number: 1275602674
PECOS PAC ID: 0244488401
Enrollment ID: I20120912000535
Entity NameNorth Star Counseling Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1467806281
PECOS PAC ID: 7113213935
Enrollment ID: O20160902001673

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. Mr William S Piekarz 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
Mr William S Piekarz, LCSW
738 Willow St,
Itasca, IL 60143-1467

Ph: (630) 285-1808
Mr William S Piekarz, LCSW
2625 Butterfield Rd, Ste 103w,
Oak Brook, IL 60523-3418

Ph: (630) 418-5316

Reviews and Comments


Social Worker in Oak Brook, IL

Ms. Debra Gilbert Rosenberg, AM LCSW
Clinical Social Worker
Medicare: Medicare Enrolled
Practice Location: 1550 Spring Rd, Suite 215, Oak Brook, IL 60523
Phone: 708-704-1208    Fax: 708-386-2641
Dr. Scott Henry De Valk, PSY.D., LCSW
Clinical Social Worker
Medicare: Not Enrolled in Medicare
Practice Location: 3500 Spring Rd, Oak Brook, IL 60523
Phone: 630-655-0404    Fax: 630-655-0101
Mr. Brian C. Gold, LCSW
Clinical Social Worker
Medicare: Not Enrolled in Medicare
Practice Location: 2625 Butterfield Rd Ste 138s, Oak Brook, IL 60523
Phone: 630-632-3020    
Ms. Tamika P Washington, LCSW
Clinical Social Worker
Medicare: Accepting Medicare Assignments
Practice Location: 1415 West 22nd Street, Tower Floor, Oak Brook, IL 60523
Phone: 708-689-9545    
Debora Romeo, LCSW
Clinical Social Worker
Medicare: Accepting Medicare Assignments
Practice Location: 2625 Butterfield Rd, Suite 101w, Oak Brook, IL 60523
Phone: 847-849-9350    Fax: 630-368-1120
Traci Renee Gunnells-kerzich, LCSW
Clinical Social Worker
Medicare: Not Enrolled in Medicare
Practice Location: 2803 Butterfield Rd Ste 200, Oak Brook, IL 60523
Phone: 630-424-9204    
Peggy Lavin, MSW
Clinical Social Worker
Medicare: Not Enrolled in Medicare
Practice Location: 2907 Butterfield Rd, Suite 240, Oak Brook, IL 60523
Phone: 630-586-0900    Fax: 630-586-9990

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.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.