GREGORY COLLINS MD
NPI 1770654089
Anesthesiology in Maryville, IL
About Gregory Collins Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREGORY COLLINS MD (NPI 1770654089) is an individual anesthesiology provider in Maryville, Illinois and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with Anderson Hospital, and is a graduate of Southern Illinois University School Of Medicine (1983).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Gregory Collins Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Gregory Collins reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Maryville, IL 62062
- Reassigned Medicare billing, Illinois enrollment
- 42 clinicians in this Medicare group
Maryville, IL 62062
- Reassigned Medicare billing, Illinois enrollment
- 149 clinicians in this Medicare group
Swansea, IL 62226
- Reassigned Medicare billing, Illinois enrollment
- 2 clinicians in this Medicare group
Carlyle, IL 62231
- Reassigned Medicare billing, Illinois enrollment
- 6 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 7
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Anderson Hospital
Acute Care Hospitals · Maryville, ILOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MARYVILLE, IL 62062
MARYVILLE, IL 62062
MARYVILLE, IL 62062
MARYVILLE, IL 62062
MARYVILLE, IL 62062
MARYVILLE, IL 62062
MARYVILLE, IL 62062
MARYVILLE, IL 62062
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Gregory Collins's NPI number?
The NPI number for Gregory Collins is 1770654089. It was assigned to this individual provider in the NPPES registry on November 10, 2006.
Where is Gregory Collins located?
Gregory Collins practices at 6810 State Route 162 Ste 215, Maryville, IL 62062. The listed phone number is (618) 288-5711.
What is Gregory Collins's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Gregory Collins enrolled in Medicare?
Yes. Gregory Collins is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Gregory Collins's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Collins reassigns Medicare benefits to 4 organizations: Millennium Anesthesiology Consultants, LLC (Maryville, IL), G & G Anesthesia LLC (Maryville, IL), Healthpointe Medical Center Sc (Swansea, IL) and Jeffrey A. Schatz (Carlyle, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gregory Collins's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Gregory Collins affiliated with any hospitals?
According to CMS data, Gregory Collins is affiliated with Anderson Hospital.
When was this NPI record last updated?
The NPPES record for Gregory Collins was last updated on February 19, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Gregory Collins, MD · NPI 1770654089
Anesthesiology physician in Maryville, Illinois. Individual provider, active in the CMS NPPES registry since November 10, 2006.
## Identity
- **NPI:** 1770654089 (Entity type: Individual)
- **Enumerated:** November 10, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **Sole proprietor:** No
## Practice location
- **Address:** 6810 STATE ROUTE 162, STE 215, Maryville, IL 62062-8501
- **Phone:** (618) 288-5711
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Millennium Anesthesiology Consultants, LLC (NPI 1710218094, Maryville, IL); G & G Anesthesia LLC (NPI 1487020111, Maryville, IL); Healthpointe Medical Center Sc (NPI 1033699467, Swansea, IL); Jeffrey A. Schatz (NPI 1386945210, Carlyle, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Southern Illinois University School Of Medicine, class of 1983
## Record status
- **NPPES last updated:** February 19, 2008
- **Other identifiers:** Medicare PIN K11630 (IL); Medicaid 036079652002 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1770654089) · Data from the CMS NPPES public registry.