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MARISSA SANTIAGO
NPI 1801460274
Physician Assistant in Tooele, UT

Active since May 19, 2021PECOS EnrolledAccepts Medicare Assignment
73.92/100
CMS Quality Rating
2321 N 400 E STE 300, TOOELE, UT 84074(435) 833-9180(435) 359-4505 Get Directions Write a Review

NPPES record last updated: October 17, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Marissa Santiago NPPES

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

MARISSA SANTIAGO (NPI 1801460274) is an individual physician assistant in Tooele, Utah, licensed in Utah (13071784-1206) and active in the NPI registry since May 2021. She is enrolled in Medicare PECOS, is affiliated with Mountain West Medical Center, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1801460274
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMARISSA SANTIAGO
Location Address2321 N 400 E STE 300Tooele, UT 84074-3440
Mailing Address1526 S Medical Center DrSt George, UT 84790-8715 · (435) 652-7500
Phone(435) 833-9180
Fax(435) 359-4505
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateMay 19, 2021
Last NPPES UpdateOctober 17, 2025
NPPES CertifiedOctober 17, 2025
✔ NPI 1801460274 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in UT · 13071784-1206
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
2321 N 400 E STE 300, Tooele, UT 84074
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Molina Healthcare, Regence BlueCross BlueShield of Utah and more.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

Marissa Santiago 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 ID3870963499
PECOS Enrollment IDI20221222002564
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 5

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.

Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg J0702
This injection contains two medications, betamethasone acetate and betamethasone sodium phosphate. It is used to reduce inflammation and pain. It's given by a healthcare professional, often directly into the area causing discomfort.
134 services23 patients
Aspiration and/or injection of fluid from large joint 20610
This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
33 services18 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
29 services23 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.
17 services12 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
15 services12 patients

Hospital Affiliations CMS Care Compare

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

Mountain West Medical Center

Acute Care Hospitals · Tooele, UT
OwnershipProprietary
CMS Certification Number460014
Location2055 North Main StreetTooele, UT 84074 · Tooele County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 84074 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
$68.01 typical visit price
range $17.23 – $135.20
Typical copayment $17.00 (range $4.30 – $33.80)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

73.92/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality98.94
Promoting Interoperability95
Improvement Activities40
Cost18.29

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

GARY D SNOOK MD, PC
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
2321 N 400 E STE 300
TOOELE, UT 84074
Tooele County (435) 833-9180
TOOELE ORTHOPEDICS & SPORTS MEDICINE SPECIALISTS
Orthopaedic Surgery
2321 N 400 E STE 300
TOOELE, UT 84074
Tooele County (435) 833-9180
MR. MARSHALL REX GIBSON PA-C
Physician Assistant (Surgical)
2321 N 400 E STE 300
TOOELE, UT 84074
Tooele County (435) 833-9180
JOHN ANTONI DOUGLAS D.O.
Orthopaedic Surgery
2321 N 400 E STE 300
TOOELE, UT 84074
Tooele County (435) 833-9180

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 Marissa Santiago's NPI number?

The NPI number for Marissa Santiago is 1801460274. It was assigned to this individual provider in the NPPES registry on May 19, 2021.

Where is Marissa Santiago located?

Marissa Santiago practices at 2321 N 400 E Ste 300, Tooele, UT 84074. The listed phone number is (435) 833-9180.

What is Marissa Santiago's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Marissa Santiago enrolled in Medicare?

Yes. Marissa Santiago 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 Marissa Santiago accept?

Health plans from BridgeSpan Health Company, Molina Healthcare, Regence BlueCross BlueShield of Utah, Select Health and University of Utah Health Plans list Marissa Santiago 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 Marissa Santiago affiliated with any hospitals?

According to CMS data, Marissa Santiago is affiliated with Mountain West Medical Center.

When was this NPI record last updated?

The NPPES record for Marissa Santiago was last updated on October 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.