Gregory Collins, MD
NPI 1770654089 · Anesthesiology Physician · Maryville, IL
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Collins, MD is a Anesthesiology Physician provider in Maryville, IL (NPI 1770654089).
Provider details
- NPI number
- 1770654089
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036079652 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
509 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 257 | $59 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 137 | $66 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 50 | $75 |
| Anesthesia for Other Procedure on Upper Abdomen00790 | 21 | $204 |
| Anesthesia for Other Procedure on Lower Abdomen00840 | 16 | $178 |
| Anesthesia for Procedure for Total Knee Joint Replacement01402 | 16 | $297 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-10
- Last updated
- 2008-02-19
Frequently asked questions
- What is Gregory Collins's NPI number?
- Gregory Collins's National Provider Identifier (NPI) is 1770654089, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Collins's specialty?
- Gregory Collins is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Collins located?
- Gregory Collins's practice location on file with NPPES is 6810 State Route 162, Maryville, IL 62062-8501.
- What is Gregory Collins's phone number?
- The practice phone number listed in the NPPES registry for Gregory Collins is (618) 288-5711.
- Does Gregory Collins accept Medicare?
- Gregory Collins is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Collins's NPI active?
- Yes — Gregory Collins's NPI (1770654089) is active in the NPPES registry as of the last update on 2008-02-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.