DR. CAROLINE JOANN VARGAS MD
NPI 1669654885
Internal Medicine in Salt Lake City, UT

Active since November 29, 2007PECOS EnrolledAccepts Medicare Assignment
324 E 10TH AVE STE 100, SALT LAKE CITY, UT 84103(801) 408-7500 Get Directions Write a Review

NPPES record last updated: December 1, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 1, 2025, Oct 7, 2025, Jun 13, 2019 (3 updates tracked since 2019).

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

NPI1669654885
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. CAROLINE JOANN VARGASCredential: MD
Location Address324 E 10TH AVE STE 100Salt Lake City, UT 84103-2870
Mailing AddressPo Box 27128Salt Lake City, UT 84127-0128
Sole ProprietorNo
Medical School CMSUniversity Of California, Irvine, California College Of MedicineGraduated 1991
Enumeration DateNovember 29, 2007
Last NPPES UpdateDecember 1, 20253 updates tracked since enumeration
NPPES CertifiedDecember 1, 2025
✔ NPI 1669654885 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in UT · 14202031-1205
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
324 E 10TH AVE STE 100, Salt Lake City, UT 84103

Other Names 1

Professional Name (2)Dr. Caroline Joann Vargas Md

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.

PECOS PAC ID7911231543
PECOS Enrollment IDI20250907000124
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare 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.

Urology
324 E 10TH AVE STE 100
Salt Lake City, UT 84103
  • Reassigned Medicare billing, Utah enrollment
  • 3,691 clinicians in this Medicare group
Federally Qualified Health Center (FQHC)
1388 S NAVAJO ST
Salt Lake City, UT 84104
  • Reassigned Medicare billing, Utah enrollment
  • 59 clinicians in this Medicare group
General Practice
1520 SAN PABLO ST
Los Angeles, CA 90033
  • Reassigned Medicare billing, California enrollment
  • 2,445 clinicians in this Medicare group
Internal Medicine
1600 S GAFFEY ST
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.

Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211
This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.
142 services55 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
132 services57 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
92 services55 patients
Telephone medical discussion with physician, 5-10 minutes 99441
A telephone medical discussion with a physician is a brief, 5-10 minute call where you can discuss your health concerns. It's a convenient way to receive medical advice without needing to visit a clinic. It's important to prepare questions in advance to make the most of this time.
73 services37 patients
Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes G0446
This is a yearly, personal consultation focused on behaviors affecting heart health. It lasts 15 minutes and may cover topics like diet, exercise, and stress management. It's about learning healthy habits to protect your heart.
52 services52 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
39 services37 patients

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, UT
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number460006
Location8th Avenue And C StreetSalt Lake City, UT 84143 · Salt Lake County
Emergency services Birthing friendly

Intermountain Medical Center

Acute Care Hospitals · Murray, UT
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number460010
Location5121 South Cottonwood StreetMurray, UT 84107 · Salt Lake County
Emergency services Birthing friendly

Physician 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.

New Patient
$125.70 typical visit price
range $54.34 – $166.03
Typical copayment $31.42 (range $13.58 – $41.50)
Most-billed visit code 99204
Established Patient
$96.35 typical visit price
range $17.23 – $135.20
Typical copayment $24.08 (range $4.30 – $33.80)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Internal Medicine
324 E 10TH AVE STE 100
SALT LAKE CITY, UT 84103
Nurse Practitioner
324 E 10TH AVE STE 100
SALT LAKE CITY, UT 84103
Clinic/Center (Rehabilitation)
324 E 10TH AVE STE 100
SALT LAKE CITY, UT 84103
Physical Therapist
324 E 10TH AVE STE 100
SALT LAKE CITY, UT 84103
Urology
324 E 10TH AVE STE 100
SALT LAKE CITY, UT 84103
Nurse Practitioner
324 E 10TH AVE STE 100
SALT LAKE CITY, UT 84103
Nurse Practitioner (Family)
324 E 10TH AVE STE 100
SALT LAKE CITY, UT 84103
Physical Therapist
324 E 10TH AVE STE 100
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.