Dr Carl Joseph Gustas Sr, DO - Medicare Family Practice in Chicago, IL

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Dr Carl Joseph Gustas Sr, DO is a medicare enrolled "Family Medicine" physician in Chicago, Illinois. He graduated from medical school in 1999 and has 25 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice Northwestern Medical Faculty Foundation and his current practice location is 600 W Adams St, Chicago, Illinois. You can reach out to his office (for appointments etc.) via phone at (312) 506-0900.

Dr Carl Joseph Gustas Sr is licensed to practice in Illinois (license number 36112922) 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 1194773036.

Contact Information

Dr Carl Joseph Gustas Sr, DO
600 W Adams St,
Chicago, IL 60661-3604
(312) 506-0900
Not Available

Map and Direction




Physician's Profile

Full NameDr Carl Joseph Gustas Sr
GenderMale
SpecialityFamily Practice
Experience25 Years
Location600 W Adams St, Chicago, 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:
  • Dr Carl Joseph Gustas Sr graduated from medical school in 1999
  NPI Data:
  • NPI Number: 1194773036
  • Provider Enumeration Date: 05/04/2006
  • Last Update Date: 05/20/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 7214943596
  • Enrollment ID: I20060315000044

Medical Identifiers

Medical identifiers for Dr Carl Joseph Gustas Sr such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1194773036NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 36112922 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Northwestern Memorial HospitalChicago, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Northwestern Medical Faculty Foundation45875768143352

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 Carl Joseph Gustas Sr allows following entities to bill medicare on his behalf.
Entity NameNorthwestern Medical Faculty Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1346235314
PECOS PAC ID: 4587576814
Enrollment ID: O20031105000541

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 Carl Joseph Gustas Sr 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 Carl Joseph Gustas Sr, DO
600 W Adams St,
Chicago, IL 60661-3604

Ph: (312) 506-0900		Dr Carl Joseph Gustas Sr, DO
600 W Adams St,
Chicago, IL 60661-3604

Ph: (312) 506-0900

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).

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