Jack Leya, MD - Medicare Gastroenterology in Maywood, IL

Jack Leya, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Maywood, Illinois. He graduated from medical school in 1981 and has 43 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Loyola University Medical Center, Freeport Regional Health Care Foundation and his current practice location is 2160 S First Ave, (fahey Bldg., Rm. 007), Maywood, Illinois. You can reach out to his office (for appointments etc.) via phone at (708) 216-3307.

Jack Leya is licensed to practice in Illinois (license number 36066173) 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 1336128602.

Contact Information

Jack Leya, MD
2160 S First Ave, (fahey Bldg., Rm. 007),
Maywood, IL 60153
(708) 216-3307
(708) 216-4113



Physician's Profile

Full NameJack Leya
GenderMale
SpecialityGastroenterology
Experience43 Years
Location2160 S First Ave, Maywood, 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:
  • Jack Leya graduated from medical school in 1981
  NPI Data:
  • NPI Number: 1336128602
  • Provider Enumeration Date: 01/13/2006
  • Last Update Date: 10/10/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 3870522493
  • Enrollment ID: I20050804000377

Medical Identifiers

Medical identifiers for Jack Leya such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1336128602NPI-NPPES
36066173MedicaidIL

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology 36066173 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Loyola University Medical CenterMaywood, ILHospital
Fhn Memorial HospitalFreeport, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Loyola University Medical Center3779488903863
Freeport Regional Health Care Foundation923404168289

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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. Jack Leya allows following entities to bill medicare on his behalf.
Entity NameFreeport Regional Health Care Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1457337016
PECOS PAC ID: 9234041682
Enrollment ID: O20031104000182

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Entity NameLoyola University Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1336159961
PECOS PAC ID: 3779488903
Enrollment ID: O20031202000027

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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. Jack Leya 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
Jack Leya, MD
2160 S First Ave, (fahey Bldg., Rm. 007),
Maywood, IL 60153

Ph: (708) 216-3307
Jack Leya, MD
2160 S First Ave, (fahey Bldg., Rm. 007),
Maywood, IL 60153

Ph: (708) 216-3307

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Internal Medicine Doctors in Maywood, IL

Dr. Cathryn T Sawalski, DO, MBA
Gastroenterology
Medicare: Medicare Enrolled
Practice Location: 2160 S 1st Ave, Maywood, IL 60153
Phone: 888-584-7888    
Suhana Elamsenthil, MD
Gastroenterology
Medicare: Medicare Enrolled
Practice Location: 2160 S 1st Ave, Maywood, IL 60153
Phone: 888-584-7888    
Holly Kramer, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 2160 S First Ave, 101-1740 Loyola University Medical Center, Maywood, IL 60153
Phone: 708-216-9000    Fax: 708-216-9033
Dr. Stephanie Bochen Tsai, M.D.
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Practice Location: 2160 S 1st Ave, Maywood, IL 60153
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Nicholas Poellinger, MD
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Practice Location: 2160 S 1st Ave, Maywood, IL 60153
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Sofia Ahmed, MD
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Practice Location: 2160 S 1st Ave, Maywood, IL 60153
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Shelly Lo, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 2160 S 1st Ave, Luh - North Ent., Rm. 7604, Maywood, IL 60153
Phone: 708-216-3304    Fax: 708-216-1259

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