Dr Pilar Guerrero, MD - Medicare Emergency Medicine in Chicago, IL

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Dr Pilar Guerrero, MD is a medicare enrolled "Emergency Medicine" physician in Chicago, Illinois. Her current practice location is 1901 W Harrison St, Chicago, Illinois. You can reach out to her office (for appointments etc.) via phone at (312) 864-0061.

Dr Pilar Guerrero is licensed to practice in Illinois (license number 036-102904) 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 1639290851.

Contact Information

Dr Pilar Guerrero, MD
1901 W Harrison St,
Chicago, IL 60612-3714
(312) 864-0061
Not Available

Map and Direction




Physician's Profile

Full NameDr Pilar Guerrero
GenderFemale
SpecialityEmergency Medicine
Location1901 W Harrison St, Chicago, Illinois
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1639290851
  • Provider Enumeration Date: 04/03/2007
  • Last Update Date: 04/26/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 0840470308
  • Enrollment ID: I20110215001178

Medical Identifiers

Medical identifiers for Dr Pilar Guerrero such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1639290851NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 036-102904 (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. Dr Pilar Guerrero allows following entities to bill medicare on her behalf.
Entity NameCook County
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1588612832
PECOS PAC ID: 2860398088
Enrollment ID: O20031209000747

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. Dr Pilar Guerrero 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
Dr Pilar Guerrero, MD
3128 Ernst St,
Franklin Park, IL 60131-2406

Ph: (312) 636-2260		Dr Pilar Guerrero, MD
1901 W Harrison St,
Chicago, IL 60612-3714

Ph: (312) 864-0061

Reviews and Comments


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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.