Catherine Jane Thomas, MD - Medicare Ophthalmology in Chicago, IL

Catherine Jane Thomas, MD is a medicare enrolled "Ophthalmology" physician in Chicago, Illinois. She graduated from medical school in 2016 and has 8 years of diverse experience with area of expertise as Ophthalmology. She is a member of the group practice Cook County and her current practice location is 259 E Erie St Ste 1520, Chicago, Illinois. You can reach out to her office (for appointments etc.) via phone at (312) 695-8150.

Catherine Jane Thomas is licensed to practice in Illinois (license number 036152053) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1013362888.

Contact Information

Catherine Jane Thomas, MD
259 E Erie St Ste 1520,
Chicago, IL 60611-3111
(312) 695-8150
(312) 503-8152

Map and Direction




Physician's Profile

Full NameCatherine Jane Thomas
GenderFemale
SpecialityOphthalmology
Experience8 Years
Location259 E Erie St Ste 1520, Chicago, Illinois
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Catherine Jane Thomas graduated from medical school in 2016
  NPI Data:
  • NPI Number: 1013362888
  • Provider Enumeration Date: 04/29/2016
  • Last Update Date: 08/07/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 9739474644
  • Enrollment ID: I20200625001334

Medical Identifiers

Medical identifiers for Catherine Jane Thomas such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1013362888NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207W00000XOphthalmology 036152053 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
John H Stroger Jr HospitalChicago, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Cook County2860398088619

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. Catherine Jane Thomas allows following entities to bill medicare on her behalf.
Entity NameNorthwestern Medical Faculty Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1346235314
PECOS PAC ID: 4587576814
Enrollment ID: O20031105000541
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. Catherine Jane Thomas 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
Catherine Jane Thomas, MD
259 E Erie St Ste 1520,
Chicago, IL 60611-3111

Ph: (312) 695-8150
Catherine Jane Thomas, MD
259 E Erie St Ste 1520,
Chicago, IL 60611-3111

Ph: (312) 695-8150

Reviews and Comments


Ophthalmology Doctors in Chicago, IL

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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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