Dr William Enrique Otero, MD - Medicare Family Practice in Chicago, IL

Dr William Enrique Otero, MD is a medicare enrolled "Family Medicine" physician in Chicago, Illinois. He graduated from medical school in 1995 and has 29 years of diverse experience with area of expertise as Family Practice. His current practice location is 2363 N California Ave, Chicago, Illinois. You can reach out to his office (for appointments etc.) via phone at (773) 772-4900.

Dr William Enrique Otero is licensed to practice in Illinois (license number 036 102552) and he also participates in the medicare program. He may accept medicare assignments (which means he may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and his NPI Number is 1588776884.

Contact Information

Dr William Enrique Otero, MD
2363 N California Ave,
Chicago, IL 60647-2939
(773) 772-4900
(773) 772-0298

Map and Direction




Physician's Profile

Full NameDr William Enrique Otero
GenderMale
SpecialityFamily Practice
Experience29 Years
Location2363 N California Ave, Chicago, Illinois
Accepts Medicare AssignmentsMay be. He may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr William Enrique Otero graduated from medical school in 1995
  NPI Data:
  • NPI Number: 1588776884
  • Provider Enumeration Date: 08/31/2006
  • Last Update Date: 03/18/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 2668525098
  • Enrollment ID: I20090803000690

Medical Identifiers

Medical identifiers for Dr William Enrique Otero such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1588776884NPI-NPPES
036102552MedicaidIL
01626950OtherILBLUE CROSS BLUE SHIELD
36 4385201OtherILTAX IDENTIFICATION NUMBER

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 036 102552 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Central Dupage HospitalWinfield, ILHospital
Advocate Illinois Masonic Medical CenterChicago, ILHospital

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 William Enrique Otero allows following entities to bill medicare on his behalf.
Entity NameOtero Medical Center Sc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1639306640
PECOS PAC ID: 2567515992
Enrollment ID: O20090803000700

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 William Enrique Otero 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 William Enrique Otero, MD
4911 W Fullerton Ave,
Chicago, IL 60639-2505

Ph: (773) 772-4900
Dr William Enrique Otero, MD
2363 N California Ave,
Chicago, IL 60647-2939

Ph: (773) 772-4900

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.