TRICIA ANNE TWELVES M.D.
NPI 1730389297
Obstetrics & Gynecology in Riverton, UT
About Tricia Anne Twelves M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TRICIA ANNE TWELVES M.D. (NPI 1730389297) is an individual obstetrics & gynecology provider in Riverton, Utah, licensed in Virginia (0116016847) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS, is affiliated with Riverton Hospital, and is a graduate of Other (2004).
NPPES Registry Identity
Specialties & Licenses
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
Tricia Anne Twelves 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 Tricia Twelves reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Riverton, UT 84065
- Reassigned Medicare billing, Utah enrollment
- 190 clinicians in this Medicare group
West Valley City, UT 84119
- Reassigned Medicare billing, Utah enrollment
- 188 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.
Riverton Hospital
Acute Care Hospitals · Riverton, UTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 84096 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
RIVERTON, UT 84096
RIVERTON, UT 84096
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 Tricia Twelves's NPI number?
The NPI number for Tricia Twelves is 1730389297. It was assigned to this individual provider in the NPPES registry on July 23, 2007.
Where is Tricia Twelves located?
Tricia Twelves practices at 12391 S 4000 W, Riverton, UT 84096. The listed phone number is (801) 302-1750.
What is Tricia Twelves's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Tricia Twelves enrolled in Medicare?
Yes. Tricia Twelves 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 Tricia Twelves's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tricia Twelves reassigns Medicare benefits to 2 organizations: Granger Medical Clinic, PC (Riverton, UT) and Granger Medical Specialists LLC (West Valley City, UT). 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 Tricia Twelves's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tricia Twelves accept?
Health plans from BridgeSpan Health Company, Imperial Health Plan of the Southwest, Inc., Molina Healthcare, Regence BlueCross BlueShield of Utah and Select Health and 1 other insurer list Tricia Twelves 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 Tricia Twelves affiliated with any hospitals?
According to CMS data, Tricia Twelves is affiliated with Riverton Hospital.
When was this NPI record last updated?
The NPPES record for Tricia Twelves was last updated on May 13, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Tricia Anne Twelves, M.D. · NPI 1730389297
Obstetrics & Gynecology physician in Riverton, Utah. Individual provider, active in the CMS NPPES registry since July 23, 2007.
## Identity
- **NPI:** 1730389297 (Entity type: Individual)
- **Enumerated:** July 23, 2007
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 0116016847 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 12391 S 4000 W, Riverton, UT 84096-7012
- **Phone:** (801) 302-1750 · **Fax:** (801) 302-1715
## 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): Granger Medical Clinic, PC (NPI 1649541699, Riverton, UT); Granger Medical Specialists LLC (NPI 1376159368, West Valley City, UT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2004
## Record status
- **NPPES last updated:** May 13, 2013
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Source: [NPI Profile](https://npiprofile.com/npi/1730389297) · Data from the CMS NPPES public registry.