Marissa Santiago
- Medicare patients, 2024
- 47
- Part D claims, 2024
- 173
- MIPS score, 2024
- 78
- Hospital affiliations
- 1
- Industry payments
- $28
- Practice address
- 2356 N 400 E, Tooele, UT 84074
- Practice phone
- Call (435) 833-9180
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Tooele Orthopedics & Sports Medicine Specialists
Tooele, Utah
Find Marissa Santiago's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Marissa Santiago is a physician assistant in Tooele, Utah
Marissa Santiago practices at Tooele Orthopedics & Sports Medicine Specialists in Tooele, Utah.
Marissa Santiago's NPI, 1801460274, was assigned on May 19, 2021. Marissa Santiago holds Utah license 13071784-1206.
- NPI
- 1801460274NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3870963499
- NPI enumeration date
- May 19, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (435) 833-9180
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Marissa Santiago practices at Tooele Orthopedics & Sports Medicine Specialists in Tooele, Utah
Marissa Santiago's primary practice is Tooele Orthopedics & Sports Medicine Specialists, at 2356 N 400 E, Tooele, UT 84074 in Tooele County. The practice phone is (435) 833-9180.
- Tooele Orthopedics & Sports Medicine Specialists2356 N 400 E, Tooele, UT 84074 · Tooele CountyPhone(435) 833-9180
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Marissa Santiago is affiliated with 3 sites of care and 1 medical group
Marissa Santiago's primary practice is Tooele Orthopedics & Sports Medicine Specialists in Tooele, Utah. Marissa Santiago is also affiliated with Mountain West Medical Center. The medical group on file is Tooele Orthopaedics & Sports Medicine Specialists. Dmand AI also links Marissa Santiago to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Marissa Santiago's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Marissa Santiago practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Tooele Orthopedics & Sports Medicine Specialists | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Marissa Santiago is one of 1,645 physician assistants in Utah
Physician assistant is Marissa Santiago's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Marissa Santiago is licensed in Utah.
Specialties and state licenses
- Physician assistant, UtahPrimary
Physician assistants near Marissa Santiago
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Marissa Santiago treated 47 Medicare patients in 2024, average age 74
CMS counts 47 Medicare patients who saw Marissa Santiago in 2024. The largest group is 65 to 74, with 25 patients. 68% of them have arthritis, and 68% have high blood pressure. Their average risk score is 1.15, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Marissa Santiago's median patient age at 43, with 63% women.
Marissa Santiago's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Marissa Santiago's Medicare patients by sex, 2024
- Women3268%
- Men1532%
Chronic conditions among Marissa Santiago's Medicare patients, 2024
- Arthritis68%
- High blood pressure68%
- High cholesterol68%
- Diabetes40%
- Anxiety23%
- COPD23%
- Depression23%
- Mood disorders23%
Share of Medicare patients with each condition. A patient can have several.
Marissa Santiago's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 43
Patient panel by sex, all payers
- Women63%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Marissa Santiago wrote 173 Medicare Part D claims in 2024
In 2024, Marissa Santiago wrote 173 Medicare Part D claims for 69 patients. 99% of them were for generic drugs.
Marissa Santiago's Part D claims by kind of drug, 2024
- Generic171 claims99%
- Brand-name and other2 claims1%
Drug classes CMS tracks in Marissa Santiago's Part D claims, 2024
- Opioids25%43 of 173 claims
- Antibiotics10%17 of 173 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Marissa Santiago scored 78 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 78 out of 100 for Marissa Santiago for performance year 2024, reported as part of a group. Marissa Santiago accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Marissa Santiago's MIPS scores, performance year 2024
- 78of 100Final score
- 63.3of 100Quality
- 98of 100Promoting Interoperability
- 40of 100Improvement Activities
- 64of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Marissa Santiago received $28 in industry payments in 2025
CMS Open Payments shows 1 general payment to Marissa Santiago from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Smith & Nephew, Inc. paid the most, $28.
Companies that paid Marissa Santiago the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Marissa Santiago's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Marissa Santiago
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Marissa Santiago's NPI number?
Marissa Santiago's NPI number is 1801460274. It was assigned on May 19, 2021, and it is active in the NPI Registry.
What does Marissa Santiago specialize in?
Marissa Santiago is a physician assistant in Tooele, Utah. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Marissa Santiago practice?
Marissa Santiago practices at 2356 N 400 E, Tooele, UT 84074. Marissa Santiago's primary practice is Tooele Orthopedics & Sports Medicine Specialists in Tooele, Utah. Dmand AI also links Marissa Santiago to 1 group practice or clinic.
What is Marissa Santiago's office phone number?
The practice phone on file for Marissa Santiago is (435) 833-9180.
What is Marissa Santiago's medical license number?
Marissa Santiago holds Utah license 13071784-1206.
Which hospitals is Marissa Santiago affiliated with?
Marissa Santiago is affiliated with Mountain West Medical Center.
What medical group is Marissa Santiago part of?
Marissa Santiago is linked to Tooele Orthopaedics & Sports Medicine Specialists.
Does Marissa Santiago accept Medicare?
Yes. CMS lists Marissa Santiago as accepting Medicare assignment.
What is Marissa Santiago's MIPS score?
Marissa Santiago's MIPS final score for performance year 2024 is 78 out of 100, reported as part of a group.
How many Medicare patients does Marissa Santiago see?
CMS counts 47 Medicare patients who saw Marissa Santiago in 2024, with an average age of 74.
Has Marissa Santiago received payments from drug or device companies?
CMS Open Payments shows $28 in general payments to Marissa Santiago from 1 company from 2025 to 2025. The largest total came from Smith & Nephew, Inc.
How long has Marissa Santiago been practicing?
Marissa Santiago graduated from medical school in 2022, 4 years ago.
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