GREGORY C TANNER M.D.
NPI 1598875973
Obstetrics & Gynecology - Gynecology in Sandy, UT
About Gregory C Tanner M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREGORY C TANNER M.D. (NPI 1598875973) is an individual gynecology provider in Sandy, Utah, licensed in Utah (157109-1205) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with William Bee Ririe Hospital, and is a graduate of University Of Utah School Of Medicine (1973).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Gregory C Tanner 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 Reassignment
Medicare enrollment records show Gregory Tanner reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Ely, NV 89301
- Reassigned Medicare billing, Nevada enrollment
- Also billed through NPI 1487648804 (Nevada)
- 84 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
William Bee Ririe Hospital
Critical Access Hospitals · Ely, NVPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 84094 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 10
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 Gregory Tanner's NPI number?
The NPI number for Gregory Tanner is 1598875973. It was assigned to this individual provider in the NPPES registry on August 30, 2006.
Where is Gregory Tanner located?
Gregory Tanner practices at 9600 S 1300 E Ste 305, Sandy, UT 84094. The listed phone number is (801) 963-1880.
What is Gregory Tanner's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecology, with taxonomy code 207VG0400X.
Is Gregory Tanner enrolled in Medicare?
Yes. Gregory Tanner 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 organization bills Medicare for Gregory Tanner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Tanner reassigns Medicare benefits to William Bee Ririe Hospital (Ely, NV). The 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 Tanner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gregory Tanner accept?
Health plans from Ambetter Health and Ambetter from Arizona Complete Health list Gregory Tanner 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.
Is Gregory Tanner affiliated with any hospitals?
According to CMS data, Gregory Tanner is affiliated with William Bee Ririe Hospital.
When was this NPI record last updated?
The NPPES record for Gregory Tanner was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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 C Tanner, M.D. · NPI 1598875973
Gynecology physician in Sandy, Utah. Individual provider, active in the CMS NPPES registry since August 30, 2006.
## Identity
- **NPI:** 1598875973 (Entity type: Individual)
- **Enumerated:** August 30, 2006
- **Primary specialty:** Obstetrics & Gynecology - Gynecology · taxonomy 207VG0400X
- **State license:** 157109-1205 (Utah)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 9600 S 1300 E, STE 305, Sandy, UT 84094-3766
- **Phone:** (801) 963-1880 · **Fax:** (801) 963-1886
## 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:** William Bee Ririe Hospital (NPI 1437145422, Ely, NV), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Utah School Of Medicine, class of 1973
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare UPIN D07795 (UT)
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Source: [NPI Profile](https://npiprofile.com/npi/1598875973) · Data from the CMS NPPES public registry.