Darrien Lance Gaston, MD - Medicare Gastroenterology in Chicago, IL

Darrien Lance Gaston, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Chicago, Illinois. He went to University Of Illinois College Of Med (chi/peor/rock/chm-urb) and graduated in 1984 and has 40 years of diverse experience with area of expertise as Gastroenterology. His current practice location is 10444 S Western Ave, Suite A, Chicago, Illinois. You can reach out to his office (for appointments etc.) via phone at (773) 238-1126.

Darrien Lance Gaston is licensed to practice in Illinois (license number 036071497) 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 1023234143.

Contact Information

Darrien Lance Gaston, MD
10444 S Western Ave, Suite A,
Chicago, IL 60643-2508
(773) 238-1126
Not Available

Map and Direction




Physician's Profile

Full NameDarrien Lance Gaston
GenderMale
SpecialityGastroenterology
Experience40 Years
Location10444 S Western Ave, 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:
  • Darrien Lance Gaston attended and graduated from University Of Illinois College Of Med (chi/peor/rock/chm-urb) in 1984
  NPI Data:
  • NPI Number: 1023234143
  • Provider Enumeration Date: 04/17/2007
  • Last Update Date: 01/04/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 2062549744
  • Enrollment ID: I20100429000906

Medical Identifiers

Medical identifiers for Darrien Lance Gaston such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1023234143NPI-NPPES
036071497MedicaidIL

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology 036071497 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Advocate Trinity HospitalChicago, ILHospital
Osf Little Company Of Mary Medical CenterEvergreen park, 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. Darrien Lance Gaston allows following entities to bill medicare on his behalf.
Entity NameMetropolitan Gastroenterology Consultants Limited
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1134345267
PECOS PAC ID: 8224165907
Enrollment ID: O20100429000146

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. Darrien Lance Gaston 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
Darrien Lance Gaston, MD
10444 S Western Ave, Suite A,
Chicago, IL 60643-2508

Ph: (773) 238-1126
Darrien Lance Gaston, MD
10444 S Western Ave, Suite A,
Chicago, IL 60643-2508

Ph: (773) 238-1126

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.