Gregory Collins, MD
Anesthesiology Physician · Maryville, IL
Gregory Collins, MD is an anesthesiology physician with a practice address in Maryville, Illinois, and NPI 1770654089, issued on Nov 10, 2006. Check the license (Illinois 036079652, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Gregory Collins
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 036079652 IL
Self-reported in NPPES; status is on the state search - Practice location
- 6810 State Route 162, Maryville, IL 62062
- Phone
- (618) 288-5711
- Enumerated
- Nov 10, 2006
- Record last updated
- Feb 19, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid ID
- 036079652002 IL
- Medicare enrollment
- Enrolled (PECOS I20041101000449); accepts Medicare assignment
- Medical or professional school
- Southern Illinois University School Of Medicine, 1983
- Entity
- Type 1 · individual
Also registered at 6810 State Route 162
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mark Fedder, MDGastroenterology Physician1922009943
- Melanie Garland, CRNACertified Registered Nurse Anesthetist1376614503
- John Guthrie, CRNACertified Registered Nurse Anesthetist1619036126
Verify Gregory Collins 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 036079652Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average anesthesiology physician in 2024
25 Medicare Part D claims, against an average of 402 among the 4,319 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.
Bills Medicare through 2 group practices
- G And G Anesthesia LLCMaryville, IL
- Millennium Anesthesiology Consultants, LLCMaryville, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Anesthesiology Physician providers in Illinois
There are 2,575 anesthesiology physician records in Illinois.
Other anesthesiology physician records in Illinois
- Ossama Abdellatif, MDBerwyn, IL1760436786
- Akram Abdoue, M.D.Oak Lawn, IL1992752489
- Hassan Aboumerhi, M.D.Chicago, IL1336528637
- Jake Abramowicz, DOChicago, IL1235823782
- Antonio Abrego, MDChicago, IL1336236157
- Jose Abreu, M.D.Tinley Park, IL1538287388
- Max Ackerman, BSChicago, IL1083362644
- Sean Adams, M.D.Naperville, IL1598713661
- Simon Adanin, D.O.Chicago, IL1922241124
- Timothy Ade, MDUrbana, IL1043552672
Common questions
What is Gregory Collins, MD's NPI number?
Gregory Collins, MD's National Provider Identifier (NPI) is 1770654089, issued on Nov 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Collins, MD located?
The NPPES record lists a practice address at 6810 State Route 162, Maryville, IL, 62062. Phone: (618) 288-5711. Providers update this record themselves, so call before visiting.
How can I verify Gregory Collins, MD's license?
NPPES lists Illinois license number 036079652, 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 Gregory Collins, MD prescribe under Medicare Part D?
In 2024, Gregory Collins, MD had 25 Medicare Part D claims; the average among anesthesiology physician prescribers was 402. 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.