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ELIZABETH ARENA ARENA DO, MPH
NPI 1881878759
Internal Medicine - Rheumatology in Grand Junction, CO

Active since December 27, 2007PECOS EnrolledAccepts Medicare Assignment
ST MARY'S REGIONAL MEDICAL CENTER 2635 N 7TH ST, 4TH FLOOR, GRAND JUNCTION, CO 81501(970) 298-5910(970) 298-7761 Get Directions Write a Review

NPPES record last updated: December 16, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 16, 2025, Oct 6, 2025, Jul 7, 2022 and 3 more (6 updates tracked since 2019).

About Elizabeth Arena Arena Do, Mph NPPES

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

ELIZABETH ARENA ARENA DO, MPH (NPI 1881878759) is an individual rheumatology provider in Grand Junction, Colorado, licensed in Montana (113913) and active in the NPI registry since December 2007. She is enrolled in Medicare PECOS, is affiliated with Moab Regional Hospital, and is a graduate of Nova Southeastern College Of Osteo Medicine (2006).

NPPES Registry Identity

NPI1881878759
Entity TypeIndividualFemale
Primary Taxonomy207RR0500X
Provider Legal NameELIZABETH ARENA ARENACredential: DO, MPH
Location AddressST MARY'S REGIONAL MEDICAL CENTER 2635 N 7TH ST, 4TH FLOORGrand Junction, CO 81501
Mailing Address1401 25th St SGreat Falls, MT 59405-5183 · (406) 731-8888 · Fax (406) 731-8318
Phone(970) 298-5910
Fax(970) 298-7761
Sole ProprietorNo
Medical School CMSNova Southeastern College Of Osteo MedicineGraduated 2006
Enumeration DateDecember 27, 2007
Last NPPES UpdateDecember 16, 20256 updates tracked since enumeration
NPPES CertifiedDecember 16, 2025
✔ NPI 1881878759 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
Licenses✔ Licensed in MT · 113913✔ Licensed in CO · DR.0061640
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
ST MARY'S REGIONAL MEDICAL CENTER 2635 N 7TH ST, Grand Junction, CO 81501
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Other Names 1

Former Name (1)Elizabeth Anne Rook Do

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

Elizabeth Arena Arena Do, Mph 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 ID9234309618
PECOS Enrollment IDI20190508002386
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 4

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.

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.
212 services99 patients
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
73 services44 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
47 services47 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.
19 services17 patients

Hospital Affiliations CMS Care Compare

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

Moab Regional Hospital

Critical Access Hospitals · Moab, UT
OwnershipVoluntary non-profit - Private
CMS Certification Number461302
Location450 West Williams WayMoab, UT 84532 · Grand County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 81501 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
$132.55 typical visit price
range $58.06 – $174.82
Typical copayment $33.13 (range $14.51 – $43.70)
Most-billed visit code 99204
Established Patient
$102.03 typical visit price
range $18.88 – $142.79
Typical copayment $25.50 (range $4.72 – $35.69)
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.

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 Elizabeth Arena's NPI number?

The NPI number for Elizabeth Arena is 1881878759. It was assigned to this individual provider in the NPPES registry on December 27, 2007. The provider is also known as Elizabeth Anne Rook Do.

Where is Elizabeth Arena located?

Elizabeth Arena practices at St Mary's Regional Medical Center 2635 N 7th St 4th Floor, Grand Junction, CO 81501. The listed phone number is (970) 298-5910.

What is Elizabeth Arena's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Elizabeth Arena enrolled in Medicare?

Yes. Elizabeth Arena 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.

Is Elizabeth Arena affiliated with any hospitals?

According to CMS data, Elizabeth Arena is affiliated with Moab Regional Hospital.

When was this NPI record last updated?

The NPPES record for Elizabeth Arena was last updated on December 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.