Physician Profile
Unclaimed ProfileAbout LEYA
Jack Leya, MD practices gastroenterology in Maywood, IL. Jack is also listed as specializing in internal medicine. According to Medicare claims data, Jack cared for 163 Medicare patients across 174 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (708) 216-3307
- Email not available
Practice Locations
2160 S FIRST AVE (FAHEY BLDG., RM. 007)
Maywood, IL 60153
Procedures Most Often Billed to Medicare
174 services · 163 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
40 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
30 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
22 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
35 |
| Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monit | Billing code | G0500 |
33 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
14 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 6
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other gastroenterology specialists in Maywood 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1981 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of polyps or growths of large bowel using an endoscope with mechanical snare 8
Providers in IL who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Leya?
Dr. Leya is a gastroenterology in Maywood, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
What is Dr. Leya's address?
Dr. Leya is listed at 2160 S FIRST AVE (FAHEY BLDG., RM. 007), Maywood, IL 60153. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Leya?
The number on file is (708) 216-3307. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Leya's NPI number?
Dr. Leya's National Provider Identifier is 1336128602. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Leya train?
Dr. Leya attended Other, graduating in 1981. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Leya been practicing?
Dr. Leya has 45 years experience. Calculated from a graduation year of 1981, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Leya perform?
According to Medicare billing data, Dr. Leya performs procedures including removal of polyps or growths of large bowel using an endoscope with mechanical snare, biopsy of large bowel using a flexible endoscope and biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Leya confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Leya. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.