DR. CAROLINE JOANN VARGAS MD
NPI 1669654885
Internal Medicine in Salt Lake City, UT
About Dr. Caroline Joann Vargas Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CAROLINE JOANN VARGAS MD (NPI 1669654885) is an individual internal medicine provider in Salt Lake City, Utah, licensed in Utah (14202031-1205) and active in the NPI registry since November 2007. She is enrolled in Medicare PECOS, is affiliated with Lds Hospital, and is a graduate of University Of California, Irvine, California College Of Medicine (1991).
NPPES Registry Identity
Specialties & Licenses
Other Names 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
Dr. Caroline Joann Vargas 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 Caroline Vargas reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Salt Lake City, UT 84103
- Reassigned Medicare billing, Utah enrollment
- 3,691 clinicians in this Medicare group
Salt Lake City, UT 84104
- Reassigned Medicare billing, Utah enrollment
- 59 clinicians in this Medicare group
Los Angeles, CA 90033
- Reassigned Medicare billing, California enrollment
- 2,445 clinicians in this Medicare group
San Pedro, CA 90731
- Reassigned Medicare billing, California enrollment
- 17 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 13
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lds Hospital
Acute Care Hospitals · Salt Lake City, UTIntermountain Medical Center
Acute Care Hospitals · Murray, UTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 84103 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.
SALT LAKE CITY, UT 84103
SALT LAKE CITY, UT 84103
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 Caroline Vargas's NPI number?
The NPI number for Caroline Vargas is 1669654885. It was assigned to this individual provider in the NPPES registry on November 29, 2007. The provider is also known as Dr. Caroline Joann Vargas MD.
Where is Caroline Vargas located?
Caroline Vargas practices at 324 E 10th Ave Ste 100, Salt Lake City, UT 84103. The listed phone number is (801) 408-7500.
What is Caroline Vargas's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Caroline Vargas enrolled in Medicare?
Yes. Caroline Vargas 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 Caroline Vargas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Caroline Vargas reassigns Medicare benefits to 4 organizations: Ihc Health Services Inc (Salt Lake City, UT), Community Health Centers, Inc. (Salt Lake City, UT), Usc Care Medical Group, Inc (Los Angeles, CA) and Dr Mona Shah Professional Corporation (San Pedro, CA). 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 Caroline Vargas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Caroline Vargas accept?
Health plans from BridgeSpan Health Company, Molina Healthcare, Regence BlueCross BlueShield of Utah, Select Health and University of Utah Health Plans list Caroline Vargas 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 Caroline Vargas affiliated with any hospitals?
According to CMS data, Caroline Vargas is affiliated with Lds Hospital and Intermountain Medical Center.
When was this NPI record last updated?
The NPPES record for Caroline Vargas was last updated on December 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.