Physician Profile
Unclaimed ProfileAbout CAHILL
Gerald Cahill, M.D. practises general surgery in Olympia Fields, IL. Gerald is a 1982 graduate of University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb). Gerald is also listed as specialising in surgery and colon & rectal surgery.
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
Common questions
What kind of doctor is Dr. Cahill?
Dr. Cahill is a general surgeon in Olympia Fields, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GENERAL SURGERY”.
NPI registry
What is Dr. Cahill's address?
Dr. Cahill is listed at 3700 W 203RD ST STE 302, Olympia Fields, IL 60461. 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. Cahill?
The number on file is (708) 679-2120. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Cahill?
Dr. Cahill's National Provider Identifier is 1346357795. 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. Cahill train?
Dr. Cahill attended University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb), graduating in 1982. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Cahill have?
Dr. Cahill has 44 years experience. Calculated from a graduation year of 1982, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Cahill perform?
According to Medicare billing data, Dr. Cahill 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
Is Dr. Cahill's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Cahill. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (708) 679-2120
- Email not available
Practice Locations
3700 W 203RD ST STE 302
Olympia Fields, IL 60461
Procedures Most Often Billed to Medicare
76 services · 52 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
38 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
22 |
| Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99221 |
16 |
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 general surgeons at this location 1
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 general surgeons in Olympia Fields 4
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) 8
Other providers in the same specialty who trained at the same institution.
Class of 1982 at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) 8
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.