Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

NATALIA P ARIZMENDEZ M.D.
NPI 1740642446
Internal Medicine - Critical Care Medicine in Salt Lake City, UT

Active since March 22, 2016PECOS Enrolled
5121 S COTTONWOOD ST, SALT LAKE CITY, UT 84107(801) 507-7000 Get Directions Write a Review

NPPES record last updated: July 23, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 23, 2026, Apr 8, 2026, Mar 26, 2020 and 2 more (5 updates tracked since 2016).

About Natalia P Arizmendez M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NATALIA P ARIZMENDEZ M.D. (NPI 1740642446) is an individual critical care medicine provider in Salt Lake City, Utah, licensed in Utah (12921417-1205) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS, is affiliated with Intermountain Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1740642446
Entity TypeIndividualFemale
Primary Taxonomy207RC0200X
Provider Legal NameNATALIA P ARIZMENDEZCredential: M.D.
Location Address5121 S COTTONWOOD STSalt Lake City, UT 84107-5701
Mailing AddressPo Box 27128Salt Lake City, UT 84127-0128
Sole ProprietorNo
Medical School CMSMedical College Of WisconsinGraduated 2016
Enumeration DateMarch 22, 2016
Last NPPES UpdateJuly 23, 20265 updates tracked since enumeration
NPPES CertifiedJuly 23, 2026
NPI 1740642446 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
License Licensed in UT · 12921417-1205
Definition

An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

Also ListedInternal MedicineTaxonomy 207R00000X · License 68815-20 (WI)
Also ListedHospitalistTaxonomy 208M00000X · License 68815-20 (WI)
5121 S COTTONWOOD ST, Salt Lake City, UT 84107

Secondary Practice Locations 2

Location 13600 Forbes Avenue, Forbes Tower , Plaza Level Suite 140Pittsburgh, PA 15213 · Phone (412) 647-5815
Location 22801 W Kinnickinnic River Pkwy, Suite 250Milwaukee, WI 53215-3669 · Phone (414) 649-6732 · Fax (414) 649-3361

Other Identifiers 1

Medicaid100097863WI

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Natalia P Arizmendez 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.

PECOS PAC ID840628913
PECOS Enrollment IDI20221123002605
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.

Areas of Expertise CMS Part B claims 3

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
54 services44 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
53 services36 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
27 services22 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

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 84107 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.

Pediatrics (Neonatal-Perinatal Medicine)
5121 S COTTONWOOD ST
SALT LAKE CITY, UT 84107
Hospitalist
5121 S COTTONWOOD ST
SALT LAKE CITY, UT 84107
Physical Therapist
5121 S COTTONWOOD ST
MURRAY, UT 84107
Student in an Organized Health Care Education/Training Program
5121 S COTTONWOOD ST
MURRAY, UT 84107
Internal Medicine (Clinical Cardiac Electrophysiology)
5121 S COTTONWOOD ST
SALT LAKE CITY, UT 84107
Physician Assistant
5121 S COTTONWOOD ST
MURRAY, UT 84107
Internal Medicine
5121 S COTTONWOOD ST
MURRAY, UT 84107
Nurse Practitioner
5121 S COTTONWOOD ST
MURRAY, UT 84107

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 Natalia Arizmendez's NPI number?

The NPI number for Natalia Arizmendez is 1740642446. It was assigned to this individual provider in the NPPES registry on March 22, 2016.

Where is Natalia Arizmendez located?

Natalia Arizmendez practices at 5121 S Cottonwood St, Salt Lake City, UT 84107. The listed phone number is (801) 507-7000.

What is Natalia Arizmendez's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Natalia Arizmendez enrolled in Medicare?

Yes. Natalia Arizmendez 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.

What insurance does Natalia Arizmendez accept?

Health plans from Select Health list Natalia Arizmendez 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 Natalia Arizmendez affiliated with any hospitals?

According to CMS data, Natalia Arizmendez is affiliated with Intermountain Medical Center.

When was this NPI record last updated?

The NPPES record for Natalia Arizmendez was last updated on July 23, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.