Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Jack Leya, MD

Individual provider Internal Medicine Physician · NPI 1336128602

Jack Leya, MD is a Gastroenterology in Maywood, Illinois. Qualified in 1981, 45 years ago. Practices with Freeport Memorial Hospital, a 140-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
45
Licensed in
IL
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2160 S First Ave (fahey Bldg Rm 007)
Maywood, IL 60153
Phone: (708) 216-3307
Fax: (708) 216-4113
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1036 W Stephenson St, Freeport, IL 61032-4865 — (815) 599-6000
  • 1045 W Stephenson St, Freeport, IL 61032-4864 — (815) 599-6000

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 036066173 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036066173 (IL)

Record details

NPI number1336128602
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 13, 2006
Last updated in NPPESJuly 9, 2026
Certification dateJuly 9, 2026
Mailing address2160 S 1st Ave, Maywood, IL 60153-3328

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1981 (45 years in practice)
Group practice Freeport Memorial Hospital — 140 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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