Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mark Montogomery Sullivan, PAC, MPAS

Individual provider Physician Assistant · NPI 1700023348

Mark Montogomery Sullivan, PAC, MPAS is a Physician Assistant in Murray, Utah. Qualified in 2008, 18 years ago. Practices with Ihc Health Services Inc, a 3,947-clinician group and accepts Medicare assignment. Licensed in Utah.

Years since qualifying
18
Licensed in
UT
In the registry since
2009
What do these letters mean?
PAC — Physician Assistant, Certified
A physician assistant holding current national certification; usually written PA-C.

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Practice location Address checks out

5121 Cottonwood St Ste 320
Murray, UT 84107-5701 Not confirmed with CMS for 16 years — call before visiting
Phone: (801) 507-3380
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 7131889-1206 (UT)

Record details

NPI number1700023348
Entity typeIndividual (Type 1)
GenderMale
Credentials PAC , MPAS
Sole proprietorNo
NPI enumeratedJanuary 20, 2009
Last updated in NPPESJanuary 25, 2010

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Group practice Ihc Health Services Inc — 3947 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients55
Services billed 62 a service is one billed item, such as a visit, a test or a procedure
Average patient age76

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Ihc Health Services Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 3947 clinicians in the practice; 12 are shown here.

Other providers in Murray