Gerald Cahill, M.D.
Surgery Physician · Olympia Fields, IL
Gerald Cahill, M.D. is a surgery physician with a practice address in Olympia Fields, Illinois, and NPI 1346357795, issued on Aug 23, 2006. Check the license (Illinois 036068765, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Gerald Cahill
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License numbers
- 036068765 IL
01058798A IN
Self-reported in NPPES; status is on the state search - Practice location
- 3700 W 203RD St Ste 302, Olympia Fields, IL 60461
- Phone
- (708) 679-2120
- Enumerated
- Aug 23, 2006
- Record last updated
- Apr 14, 2023
- Fax
- (708) 503-3230
- Medicaid IDs
- 036068765 IL
200511540 IN - Medicare enrollment
- Enrolled (PECOS I20050309000578); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 1982
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 1,520 in Illinois → Look up another NPI →
Also registered at 3700 W 203RD St Ste 302
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Megan Gac, FNPFamily Nurse Practitioner1144992264
- John Karl, FNP-CNurse Practitioner1487701728
Verify Gerald Cahill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036068765Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average surgery physician in 2024
28 Medicare Part D claims, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $148.07
3 payments; by number, the most common kind was food and beverage; the largest payer was Olympus America Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Franciscan Physician NetworkDyer, IN
- Specialty Physicians OF Illinois LLCOlympia Fields, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gerald Cahill among 1,520 surgery physician records in Illinois
Gerald Cahill, M.D. is one of 1,520 surgery physician records with a practice address in Illinois. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 64% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated1982 · median 2004 among the 650 with a school on file
- Record last updated2023 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 surgery physician records list a practice address in Olympia Fields
They are 11 of the 684 NPPES records with a practice address in Olympia Fields, and 1,520 surgery physician records in Illinois.
All 1,520 in Illinois → Every provider in Olympia Fields → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Roseanne Krinski, M.D.Olympia Fields, IL 604611841256492
- Jonathon KuoOlympia Fields, IL 604611184205296
- Devan Lenhart, DOOlympia Fields, IL 604611275038176
- Matthew Martens, D.O.Olympia Fields, IL 604611275761603
- Evan Mazurkiewicz, DOOlympia Fields, IL 604611942905435
- Ankeeta Mehta, D.O.Olympia Fields, IL 604611770960080
- Federico Pinto, MDOlympia Fields, IL 604611356191175
- Maria Rapciak, D.O.Olympia Fields, IL 604611952675365
Common questions
What is Gerald Cahill, M.D.'s NPI number?
Gerald Cahill, M.D.'s National Provider Identifier (NPI) is 1346357795, issued on Aug 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gerald Cahill, M.D. located?
The NPPES record lists a practice address at 3700 W 203RD St Ste 302, Olympia Fields, IL, 60461. Phone: (708) 679-2120. Providers update this record themselves, so call before visiting.
How can I verify Gerald Cahill, M.D.'s license?
NPPES lists Illinois license number 036068765, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gerald Cahill, M.D. prescribe under Medicare Part D?
In 2024, Gerald Cahill, M.D. had 28 Medicare Part D claims; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.