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MR. MARK JAMES DEWEY NP-C
NPI 1144984220
Nurse Practitioner - Family in Ivins, UT

Active since October 26, 2021PECOS EnrolledAccepts Medicare Assignment

NPPES record last updated: October 26, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mr. Mark James Dewey Np-c NPPES

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

MR. MARK JAMES DEWEY NP-C (NPI 1144984220) is an individual family provider in Ivins, Utah, licensed in Utah (F10210417) and active in the NPI registry since October 2021. He is enrolled in Medicare PECOS, is affiliated with St. George Regional Hospital, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1144984220
Entity TypeIndividualMale
Primary Taxonomy363LF0000X
Provider Legal NameMR. MARK JAMES DEWEYCredential: NP-C
Location Address316 E 1060 SIvins, UT 84738-6250
Mailing Address316 E 1060 SIvins, UT 84738-6250 · (435) 229-6333
Phone(435) 229-6333
Sole ProprietorYes
Medical School CMSOtherGraduated 2021
Enumeration DateOctober 26, 2021
NPPES CertifiedOctober 26, 2021
✔ NPI 1144984220 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in UT · F10210417
316 E 1060 S, Ivins, UT 84738
Open in Google Maps ↗

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

Mr. Mark James Dewey Np-c 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 ID1355713744
PECOS Enrollment IDI20230213001108
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 Reassignment

Medicare enrollment records show Mark Dewey reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ihc Health Services Inc
3.4 mi
Emergency Medicine
1739 W SUNSET BLVD
St George, UT 84770
  • Reassigned Medicare billing, Utah enrollment
  • 3,691 clinicians in this Medicare group
NPI 1851599336 (435) 634-6000

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 8

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 straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
71 services54 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
62 services61 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.
41 services40 patients
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.
40 services34 patients
Advance care planning, each additional 30 minutes 99498
Advance care planning involves discussing and documenting your future health care preferences in case you're unable to make decisions for yourself. Each additional 30 minutes allows more time to explore your wishes, values, and goals for treatment.
31 services30 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.
26 services21 patients

Hospital Affiliations CMS Care Compare

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

St. George Regional Hospital

Acute Care Hospitals · St George, UT
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number460021
Location1380 East Medical Center DriveSt George, UT 84790 · Washington County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 84738 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
$84.41 typical visit price
range $54.34 – $166.03
Typical copayment $21.10 (range $13.58 – $41.50)
Most-billed visit code 99203
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.

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 Mark Dewey's NPI number?

The NPI number for Mark Dewey is 1144984220. It was assigned to this individual provider in the NPPES registry on October 26, 2021.

Where is Mark Dewey located?

Mark Dewey practices at 316 E 1060 S, Ivins, UT 84738. The listed phone number is (435) 229-6333.

What is Mark Dewey's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Mark Dewey enrolled in Medicare?

Yes. Mark Dewey 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 organization bills Medicare for Mark Dewey's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Dewey reassigns Medicare benefits to Ihc Health Services Inc (St George, UT). The 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 Mark Dewey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Mark Dewey affiliated with any hospitals?

According to CMS data, Mark Dewey is affiliated with St. George Regional Hospital.

When was this NPI record last updated?

The NPPES record for Mark Dewey was last updated on October 26, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.