William J. Gilligan, M.D.
Orthopaedic Surgery Physician · Hinsdale, IL
William J. Gilligan, M.D. is an orthopaedic surgery physician with a practice address in Hinsdale, Illinois, and NPI 1952493611, issued on Sep 29, 2006. Check the license (Illinois 036038707, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- William J. Gilligan
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- 036038707 IL
Self-reported in NPPES; status is on the state search - Practice location
- 550 W Ogden Ave, Hinsdale, IL 60521
- Phone
- (630) 323-6116
- Enumerated
- Sep 29, 2006
- Record last updated
- Oct 22, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (630) 323-6169
- Medicaid ID
- 036038707 IL
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 995 in Illinois → Look up another NPI →
Also registered at 550 W Ogden Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brian Amundson, PA-CSurgical Physician Assistant1275574469
- Luke Anliker, PAPhysician Assistant1528571262
- Kristie Bates, ATCAthletic Trainer1932391539
- Nirja Biswas, PA-CPhysician Assistant1346571445
- Kelly Burgess, PA-CPhysician Assistant1033348735
- Holly BushAthletic Trainer1427583558
Verify William J. Gilligan 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 036038707Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
14 Medicare Part D claims, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D.
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.
William J. Gilligan among 995 orthopaedic surgery physician records in Illinois
William J. Gilligan, M.D. is one of 995 orthopaedic surgery physician records with a practice address in Illinois. 77% 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 14% of them.
- NPI issued2006 · 14% of these records are older, 49% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 56% of these records are
- Record last updated2012 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in Illinois
There are 995 orthopaedic surgery physician records in Illinois.
All 995 in Illinois → Every provider in Hinsdale → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Melissa Capo-Murray, RSTHinsdale, IL 605211447551940
- Michael Collins, M.D.Hinsdale, IL 605211194817817
- Daniel Dean, M.DHinsdale, IL 605211841680501
- Michael Durkin, M.D.Hinsdale, IL 605211962594606
- Parth Lodhia, M.D.Hinsdale, IL 605211295088813
- Steven LouisHinsdale, IL 605211689766222
- Samuel Park, MDHinsdale, IL 605211851504377
- Jason Shrouder-HenryHinsdale, IL 605211366928368
Common questions
What is William J. Gilligan, M.D.'s NPI number?
William J. Gilligan, M.D.'s National Provider Identifier (NPI) is 1952493611, issued on Sep 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William J. Gilligan, M.D. located?
The NPPES record lists a practice address at 550 W Ogden Ave, Hinsdale, IL, 60521. Phone: (630) 323-6116. Providers update this record themselves, so call before visiting.
How can I verify William J. Gilligan, M.D.'s license?
NPPES lists Illinois license number 036038707, 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 William J. Gilligan, M.D. prescribe under Medicare Part D?
In 2024, William J. Gilligan, M.D. had 14 Medicare Part D claims; the average among orthopaedic surgery physician prescribers was 346. 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.