Physician Profile
Unclaimed ProfileAbout LESER
Based in Chicago, IL, Eric D Leser, M.D. is listed in the NPI registry under emergency medicine. Eric graduated from Loyola University of Chicago, Stritch School of Medicine in 2012. According to Medicare claims data, Eric cared for 89 Medicare patients across 90 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
- (312) 864-0060
- Email not available
Practice Locations
1900 W. POLK COOK COUNTY EMERGENCY MEDICINE RESIDENCY PROGRAM
Chicago, IL 60612
Procedures Most Often Billed to Medicare
90 services · 89 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
42 |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
36 |
| Emergency department visit with low level of medical decision making | Office visit | 99283 |
12 |
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.
Other emergency medicines at this location 7
Same specialty, same street address — most likely the same department or group.
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 emergency medicines in Chicago 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Loyola University of Chicago, Stritch School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2012 at Loyola University of Chicago, Stritch School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Dr. Leser?
Dr. Leser is an emergency medicine in Chicago, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “EMERGENCY MEDICINE”.
NPI registry
What is Dr. Leser's address?
Dr. Leser is listed at 1900 W. POLK COOK COUNTY EMERGENCY MEDICINE RESIDENCY PROGRAM, Chicago, IL 60612. 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. Leser?
The number on file is (312) 864-0060. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Leser's NPI number?
Dr. Leser's National Provider Identifier is 1689930968. 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. Leser train?
Dr. Leser attended Loyola University of Chicago, Stritch School of Medicine, graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Leser been practicing?
Dr. Leser has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Leser perform?
According to Medicare billing data, Dr. Leser the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Leser confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Leser. 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.