Physician Profile
John Corcoran, MD
Unclaimed ProfileAbout Dr. Corcoran
John Corcoran, MD is a healthcare provider in Elgin, IL specializing in emergency medicine. According to Medicare claims data, John cared for 581 Medicare patients across 604 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
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (847) 742-9800
- Email not available
Practice Locations
1425 N RANDALL RD
Elgin, IL 60123
Procedures Most Often Billed to Medicare
604 services · 581 patients · 5 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
16 |
| Electrocardiogram (ecg) 1 to 3 leads with review by physician only | Treatment | 93042 |
13 |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
433 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
88 |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
54 |
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 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 5
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.
More connections — 30 related providers in 4 groups
Other emergency medicines in Elgin 6
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2019 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 8
Providers in IL who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Corcoran?
Dr. Corcoran is an emergency medicine in Elgin, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “EMERGENCY MEDICINE”.
NPI registry
What is Dr. Corcoran's address?
Dr. Corcoran is listed at 1425 N RANDALL RD, Elgin, IL 60123. 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. Corcoran?
The number on file is (847) 742-9800. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Corcoran's NPI number?
Dr. Corcoran's National Provider Identifier is 1063070852. 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. Corcoran train?
Dr. Corcoran attended Other, graduating in 2019. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Corcoran been practicing?
Dr. Corcoran has 7 years experience. Calculated from a graduation year of 2019, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Corcoran perform?
According to Medicare billing data, Dr. Corcoran provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only and electrocardiogram 1 to 3 leads with review by physician only, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Corcoran confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Corcoran. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.