Rex Rizaldo, APRN

  • Springfield, IL
  • Critical care medicine nurse practitioner
NPI1053022202PAC ID1557732963
Medicare patients, 2024
70
Part D claims, 2024
22
MIPS score, 2024
95
Hospital affiliations
1
Medical group
1
Practice address
800 E Carpenter St, Springfield, IL 62769
Practice phone
Call (217) 544-6464
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

HSHS St. John's Hospital

Hospital · Springfield, Illinois

See all 3 affiliations

Find Rex Rizaldo'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.

View contacts for free

Rex Rizaldo is a critical care medicine nurse practitioner in Springfield, Illinois

Rex Rizaldo practices at HSHS St. John's Hospital in Springfield, Illinois, part of Hospital Sisters of St. Francis.

Rex Rizaldo's NPI, 1053022202, was assigned on December 8, 2022. Rex Rizaldo holds Illinois license 209026502.

NPI and contact details
Medicare PAC ID
1557732963
NPI enumeration date
December 8, 2022
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(217) 544-6464
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
30
Medical school graduation
2022

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Rex Rizaldo practices at HSHS St. John's Hospital in Springfield, Illinois

Rex Rizaldo's primary practice is HSHS St. John's Hospital, at 800 E Carpenter St, Springfield, IL 62769 in Sangamon County. The practice phone is (217) 544-6464.

Source: Dmand AI Affiliation Data

Rex Rizaldo is affiliated with 2 sites of care and 1 medical group

Rex Rizaldo's primary practice is HSHS St. John's Hospital in Springfield, Illinois, part of Hospital Sisters of St. Francis. The medical group on file is Prairie Cardiovascular. Dmand AI also links Rex Rizaldo to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Rex Rizaldo

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Rex Rizaldo's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Rex Rizaldo practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
HSHS St. John's HospitalAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Rex Rizaldo practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Hospital Sisters of St. Francis and 6.2K+ hospitals, with verified contacts in the same login.

Rex Rizaldo is one of 51 critical care medicine nurse practitioners in Illinois

Nurse practitioner is Rex Rizaldo's primary specialty in the NPI Registry, under taxonomy code 363LC0200X. The record also lists critical care medicine. Rex Rizaldo is licensed in Illinois.

Specialties and state licenses

  • Critical care medicine nurse practitioner, IllinoisPrimaryLicense 209.026502 · taxonomy 363LC0200X

Critical care medicine nurse practitioners near Rex Rizaldo

Counts of critical care medicine nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.

51critical care medicine nurse practitioners in Illinois
2critical care medicine nurse practitioners in Springfield

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Rex Rizaldo treated 70 Medicare patients in 2024, average age 79

CMS counts 70 Medicare patients who saw Rex Rizaldo in 2024. The largest group is 75 to 84, with 31 patients. 75% of them have atrial fibrillation, and 75% have high blood pressure. Their average risk score is 1.51, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Rex Rizaldo's median patient age at 72, with 63% women.

Medicare patients, 202470
Average age79
Average risk score1.51

Rex Rizaldo's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Rex Rizaldo's Medicare patients by sex, 2024

  • Women4361%
  • Men2739%

Chronic conditions among Rex Rizaldo's Medicare patients, 2024

  1. Atrial fibrillation75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Ischemic heart disease57%
  5. Heart failure49%
  6. Arthritis47%
  7. Chronic kidney disease36%
  8. Diabetes36%

Share of Medicare patients with each condition. A patient can have several.

Rex Rizaldo's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women63%
  • Men37%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Rex Rizaldo wrote 22 Medicare Part D claims in 2024

In 2024, Rex Rizaldo wrote 22 Medicare Part D claims for 13 patients. 64% of them were for generic drugs.

Part D claims, 202422
Part D patients13

Rex Rizaldo's Part D claims by kind of drug, 2024

  • Generic14 claims64%
  • Brand-name and other8 claims36%

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Rex Rizaldo scored 95 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Rex Rizaldo for performance year 2024, reported through an alternative payment model (APM). Rex Rizaldo accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Rex Rizaldo's MIPS scores, performance year 2024

  • 95of 100Final score
  • 86of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

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

For MedTech and pharma teams

Find critical care medicine nurse practitioners like Rex Rizaldo by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Sources for Rex Rizaldo's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Rex Rizaldo

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Rex Rizaldo's NPI number?

Rex Rizaldo's NPI number is 1053022202. It was assigned on December 8, 2022, and it is active in the NPI Registry.

What does Rex Rizaldo specialize in?

Rex Rizaldo is a critical care medicine nurse practitioner in Springfield, Illinois. The primary specialty in the NPI Registry is Critical Care Medicine Nurse Practitioner (taxonomy code 363LC0200X).

Where does Rex Rizaldo practice?

Rex Rizaldo practices at 800 E Carpenter St, Springfield, IL 62769. Rex Rizaldo's primary practice is HSHS St. John's Hospital in Springfield, Illinois, part of Hospital Sisters of St. Francis. Dmand AI also links Rex Rizaldo to 1 group practice or clinic.

What is Rex Rizaldo's office phone number?

The practice phone on file for Rex Rizaldo is (217) 544-6464.

What is Rex Rizaldo's medical license number?

Rex Rizaldo holds Illinois license 209026502.

Which hospitals is Rex Rizaldo affiliated with?

Rex Rizaldo practices at HSHS St. John's Hospital in Springfield, Illinois.

What medical group is Rex Rizaldo part of?

Rex Rizaldo is linked to Prairie Cardiovascular.

Does Rex Rizaldo accept Medicare?

Yes. CMS lists Rex Rizaldo as accepting Medicare assignment.

What is Rex Rizaldo's MIPS score?

Rex Rizaldo's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Rex Rizaldo see?

CMS counts 70 Medicare patients who saw Rex Rizaldo in 2024, with an average age of 79.

How long has Rex Rizaldo been practicing?

Rex Rizaldo graduated from medical school in 2022, 4 years ago.

Selling to nurse practitioner practices?

See critical care medicine nurse practitioners in Illinois by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)