Zaia Ishaq Lachin, MD - Medicare Internal Medicine in Oak Forest, IL

Zaia Ishaq Lachin, MD is a medicare enrolled "Internal Medicine" physician in Oak Forest, Illinois. His current practice location is 15900 South Cicero Ave, Oak Forest, Illinois. You can reach out to his office (for appointments etc.) via phone at (708) 633-3478.

Zaia Ishaq Lachin is licensed to practice in Illinois (license number 36100888) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1518029057.

Contact Information

Zaia Ishaq Lachin, MD
15900 South Cicero Ave,
Oak Forest, IL 60452
(708) 633-3478
(708) 633-3449

Map and Direction




Physician's Profile

Full NameZaia Ishaq Lachin
GenderMale
SpecialityInternal Medicine
Location15900 South Cicero Ave, Oak Forest, Illinois
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1518029057
  • Provider Enumeration Date: 12/14/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 5698783827
  • Enrollment ID: I20060330000262

Medical Identifiers

Medical identifiers for Zaia Ishaq Lachin such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1518029057NPI-NPPES
K26297MedicaidIL

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 36100888 (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. Zaia Ishaq Lachin allows following entities to bill medicare on his 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. Zaia Ishaq Lachin 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
Zaia Ishaq Lachin, MD
15900 South Cicero Ave,
Oak Forest, IL 60452

Ph: (708) 633-3478
Zaia Ishaq Lachin, MD
15900 South Cicero Ave,
Oak Forest, IL 60452

Ph: (708) 633-3478

Reviews and Comments


Internal Medicine Doctors in Oak Forest, IL

Dr. Harish Bhatia, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 6300 159th St Ste C, Oak Forest, IL 60452
Phone: 708-535-3300    
Dr. Ranjit Sigamony, M.D
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 15900, S. Cicero Ave,, Oak Forest Hospital, Oak Forest, IL 60452
Phone: 708-687-7200    
Danilo T Pacheco, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 15900 S Cicero Ave, Oak Forest, IL 60452
Phone: 708-633-3478    Fax: 708-633-3449
Mathew George, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 15900 South Cicero Ave, Oak Forest, IL 60452
Phone: 708-687-7200    
Patricia Lynn Demarais, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 15900 South Cicero Ave, Oak Forest Hosptial, Oak Forest, IL 60452
Phone: 708-633-4131    
Dr. Emil Makar,
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 15900 S. Cicero Ave, Oak Forest, IL 60452
Phone: 708-687-7200    
Naheed H Khan, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 15900 S Cicero Ave, Oak Forest, IL 60452
Phone: 708-633-3478    Fax: 708-633-3449

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.