Marizthel Loyola Guiab, DNP, FNP-C
- Medicare patients, 2024
- 152
- Part D claims, 2024
- 1,450
- MIPS score, 2024
- 74
- Industry payments
- $6,048
- Affiliated sites
- 2
- Practice address
- 8200 West Roosevelt Road, Forest Park, IL 60130
- Practice phone
- Call (708) 488-9850
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Aperion Care Forest Park
Skilled Nursing Facility · Forest Park, Illinois
Find Marizthel Guiab'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.
Marizthel Loyola Guiab is a nurse practitioner in Forest Park, Illinois
Marizthel Guiab practices at Aperion Care Forest Park in Forest Park, Illinois.
Marizthel Guiab's NPI, 1720597990, was assigned on September 20, 2017. Marizthel Guiab graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 2017. Marizthel Guiab holds Illinois license 209016507.
- NPI
- 1720597990NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183990880
- NPI enumeration date
- September 20, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (708) 488-9850
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Marizthel Loyola Guiab practices at Aperion Care Forest Park in Forest Park, Illinois
Marizthel Guiab's primary practice is Aperion Care Forest Park, at 8200 West Roosevelt Road, Forest Park, IL 60130 in Cook County. The practice phone is (708) 488-9850.
- Aperion Care Forest Park8200 West Roosevelt Road, Forest Park, IL 60130 · Cook CountyPhone(708) 488-9850
Source: Dmand AI Affiliation Data
Marizthel Loyola Guiab is affiliated with 2 sites of care and 1 medical group
Marizthel Guiab's primary practice is Aperion Care Forest Park in Forest Park, Illinois. The medical group on file is Behavioral Care Solutions. Dmand AI also links Marizthel Guiab to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Marizthel Loyola Guiab's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Marizthel Guiab practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Aperion Care Forest Park | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Marizthel Loyola Guiab is one of 4,254 nurse practitioners in Illinois
Nurse practitioner is Marizthel Guiab's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Marizthel Guiab is licensed in Illinois.
Specialties and state licenses
- Nurse practitioner, IllinoisPrimary
Nurse practitioners near Marizthel Guiab
Counts of nurse practitioners 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
Marizthel Loyola Guiab treated 152 Medicare patients in 2024, average age 69
CMS counts 152 Medicare patients who saw Marizthel Guiab in 2024. The largest group is 65 to 74, with 65 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.56, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Marizthel Guiab's median patient age at 81, with 55% women.
Marizthel Guiab's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Marizthel Guiab's Medicare patients by sex, 2024
- Women6039%
- Men9261%
Chronic conditions among Marizthel Guiab's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Mood disorders75%
- Schizophrenia and other psychoses66%
- Depression63%
- Anxiety57%
- Diabetes56%
- Alzheimer's and dementia49%
Share of Medicare patients with each condition. A patient can have several.
Marizthel Guiab's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 81
Patient panel by sex, all payers
- Women55%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Marizthel Loyola Guiab wrote 1,450 Medicare Part D claims in 2024
In 2024, Marizthel Guiab wrote 1,450 Medicare Part D claims for 141 patients. 84% of them were for generic drugs.
Marizthel Guiab's Part D claims by kind of drug, 2024
- Generic1,212 claims84%
- Brand-name238 claims16%
Drug classes CMS tracks in Marizthel Guiab's Part D claims, 2024
- Antipsychotics, patients 65 and over20%286 of 1,450 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
Marizthel Loyola Guiab scored 74 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 74 out of 100 for Marizthel Guiab for performance year 2024, reported as part of a group. Marizthel Guiab accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Marizthel Guiab's MIPS scores, performance year 2024
- 74of 100Final score
- 0of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 78of 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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Marizthel Loyola Guiab received $6,048 in industry payments in 2025
CMS Open Payments shows 11 general payments to Marizthel Guiab from 5 drug and device companies in 2025. Speaker and faculty fees make up the largest share, 84% of the total. Teva Pharmaceuticals USA, Inc. paid the most, $5,660.
General payments to Marizthel Guiab by kind, 2025 to 2025
- Speaker and faculty fees$5,08784%
- Food and beverage$58910%
- Consulting fees$3305%
- Travel and lodging$421%
Companies that paid Marizthel Guiab the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Marizthel Loyola Guiab graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
Marizthel Guiab graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Marizthel Loyola Guiab'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Marizthel Loyola Guiab
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What is Marizthel Loyola Guiab's NPI number?
Marizthel Loyola Guiab's NPI number is 1720597990. It was assigned on September 20, 2017, and it is active in the NPI Registry.
What does Marizthel Loyola Guiab specialize in?
Marizthel Loyola Guiab is a nurse practitioner in Forest Park, Illinois. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Marizthel Loyola Guiab practice?
Marizthel Guiab practices at 8200 West Roosevelt Road, Forest Park, IL 60130. Marizthel Guiab's primary practice is Aperion Care Forest Park in Forest Park, Illinois. Dmand AI also links Marizthel Guiab to 1 group practice or clinic.
What is Marizthel Loyola Guiab's office phone number?
The practice phone on file for Marizthel Guiab is (708) 488-9850.
What is Marizthel Loyola Guiab's medical license number?
Marizthel Guiab holds Illinois license 209016507.
What medical group is Marizthel Loyola Guiab part of?
Marizthel Guiab is linked to Behavioral Care Solutions.
Does Marizthel Loyola Guiab accept Medicare?
Yes. CMS lists Marizthel Guiab as accepting Medicare assignment.
What is Marizthel Loyola Guiab's MIPS score?
Marizthel Guiab's MIPS final score for performance year 2024 is 74 out of 100, reported as part of a group.
How many Medicare patients does Marizthel Loyola Guiab see?
CMS counts 152 Medicare patients who saw Marizthel Guiab in 2024, with an average age of 69.
Where did Marizthel Loyola Guiab go to medical school?
Marizthel Guiab graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 2017.
Has Marizthel Loyola Guiab received payments from drug or device companies?
CMS Open Payments shows $6,048 in general payments to Marizthel Guiab from 5 companies from 2025 to 2025. The largest total came from Teva Pharmaceuticals USA, Inc.
How long has Marizthel Loyola Guiab been practicing?
Marizthel Guiab graduated from medical school in 2017, 9 years ago.
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