DR. GENE EDWARD TULLIS M.D.
NPI 1366422073
Surgery - Surgical Critical Care in Greeley, CO
About Dr. Gene Edward Tullis M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GENE EDWARD TULLIS M.D. (NPI 1366422073) is an individual surgical critical care provider in Greeley, Colorado, licensed in Colorado (23142) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Ohio State University College Of Medicine (1979).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
Other Identifiers 2
Accepted Insurance
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
Dr. Gene Edward Tullis M.d. 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
2Medicare enrollment records show Gene Tullis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Greeley, CO 80631
- Reassigned Medicare billing, Colorado enrollment
- 324 clinicians in this Medicare group
Casper, WY 82601
- Reassigned Medicare billing, Wyoming enrollment
- 54 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 4
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.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Gene Tullis's NPI number?
The NPI number for Gene Tullis is 1366422073. It was assigned to this individual provider in the NPPES registry on January 19, 2006.
Where is Gene Tullis located?
Gene Tullis practices at 1801 16th St, Greeley, CO 80631. The listed phone number is (970) 810-2026.
What is Gene Tullis's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Surgical Critical Care, with taxonomy code 2086S0102X.
Is Gene Tullis enrolled in Medicare?
Yes. Gene Tullis 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 Gene Tullis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gene Tullis reassigns Medicare benefits to 2 organizations: Banner Health Physicians Colorado LLC (Greeley, CO) and Banner Hospital Based Physicians West LLC (Casper, WY). 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 Gene Tullis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gene Tullis accept?
Health plans from Blue Cross Blue Shield of Wyoming list Gene Tullis as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Gene Tullis was last updated on March 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Dr. Gene Edward Tullis, M.D. · NPI 1366422073
Surgical Critical Care physician in Greeley, Colorado. Individual provider, active in the CMS NPPES registry since January 19, 2006.
## Identity
- **NPI:** 1366422073 (Entity type: Individual)
- **Enumerated:** January 19, 2006
- **Primary specialty:** Surgery - Surgical Critical Care · taxonomy 2086S0102X
- **State license:** 23142 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 1801 16TH ST, Greeley, CO 80631-5154
- **Phone:** (970) 810-2026 · **Fax:** (970) 810-2028
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Banner Health Physicians Colorado LLC (NPI 1306114475, Greeley, CO); Banner Hospital Based Physicians West LLC (NPI 1619464120, Casper, WY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Ohio State University College Of Medicine, class of 1979
## Record status
- **NPPES last updated:** March 17, 2018
- **Other identifiers:** Medicaid 01231422 (CO); Other P00134623 (CO)
---
Source: [NPI Profile](https://npiprofile.com/npi/1366422073) · Data from the CMS NPPES public registry.