C9orf72 ProteinDNA Repeat ExpansionFrontotemporal Dementia
Dr. Maria Cristina Rizza, MD
NPI1689638280
- Medicare services, 2022
- 2,908
- Part D claims, 2024
- 144
- Publications
- 2
- Industry payments
- $4,283
- Insurance carriers
- 4
- Practice address
- 17100 Euclid St, Fountain Valley, CA 92708
- Practice phone
- Call (949) 764-4624
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hoag Hospital Newport Beach
Fountain Valley, California
Find Dr. Rizza'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.
Dr. Maria Cristina Rizza is a cardiologist in Fountain Valley, California
Dr. Rizza practices at Hoag Hospital Newport Beach in Fountain Valley, California.
Dr. Rizza's NPI, 1689638280, was assigned on April 12, 2006. Dr. Rizza graduated from University of Bologna in 1976. Dr. Rizza holds California license A32775.
NPI and contact details
- NPI
- 1689638280NPI Registry (opens in a new tab)
- NPI enumeration date
- April 12, 2006
- NPI status
- Active
- Practice phone
- (949) 764-4624
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 77
- Medical school graduation
- 1976
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Maria Cristina Rizza practices at Hoag Hospital Newport Beach in Fountain Valley, California
Dr. Rizza's primary practice is Hoag Hospital Newport Beach, at 17100 Euclid St, Fountain Valley, CA 92708 in Orange County. The practice phone is (949) 764-4624.
- Hoag Hospital Newport Beach17100 Euclid St, Fountain Valley, CA 92708 · Orange CountyPhone(949) 764-4624
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Maria Cristina Rizza is affiliated with 1 site of care
Dr. Rizza's primary practice is Hoag Hospital Newport Beach in Fountain Valley, California.
Hoag Hospital Newport BeachPrimary
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Maria Cristina Rizza's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rizza practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hoag Hospital Newport Beach | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Rizza practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Maria Cristina Rizza is one of 2,375 cardiologists in California
Cardiovascular disease is Dr. Rizza's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Rizza is board certified in internal medicine by the American Board of Internal Medicine. Dr. Rizza is licensed in California.
Specialties and state licenses
- Cardiovascular disease, CaliforniaPrimary
Clinical focus
Dmand AI lists chronic hypertension, high cholesterol and low blood pressure among the conditions Dr. Rizza treats.
Cardiologists near Dr. Rizza
Counts of cardiologists 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
Dr. Maria Cristina Rizza billed Medicare for 2,908 services in 2022
CMS data shows 2,908 Medicare services from Dr. Rizza across 17 procedure codes in 2022. Medicare paid $221,632 for them.
Medicare services, 20222,908
Paid by Medicare$221,632
Procedure codes17
Dr. Rizza's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 1,4142022: 1,3068%
- Tests and treatments
- 2021: 1,2072022: 1,1118%
- Lab and pathology
- 2021: 3262022: 28114%
- Drugs given in the office
- 2021: 2292022: 12545%
- Other services
- 2021: 982022: 5841%
- Imaging
- 2021: 492022: 2745%
Where Dr. Rizza's Medicare services took place, 2022
- In an office1,94367%
- In a facility96533%
Dr. Rizza compared with the California median for cardiologists, 2022
- Dr. Rizza
- California median
- Medicare services
- 2,908vs 1,56086% above
- Part D claims
- 44vs 1,41097% below
Medians across 2,237 cardiologists in California with Dmand AI profiles that report each measure.
Dr. Rizza's most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Rizza?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Rizza and other cardiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Maria Cristina Rizza's patients have a median age of 76
Across all payers, Dmand AI patient panel data puts Dr. Rizza's median patient age at 76, with 60% women.
Dr. Rizza's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women60%
- Men40%
Source: Dmand AI Patient Panel Data
Dr. Maria Cristina Rizza wrote 144 Medicare Part D claims in 2024
In 2024, Dr. Rizza wrote 144 Medicare Part D claims for 37 patients. 85% of them were for generic drugs. CMS names the drug for 44 of them, across 3 drugs with 11 or more claims each, at $757 in total drug cost. In 2023, CMS named 998 claims across 26 drugs.
Part D claims, 2024144
Drugs named by CMS3
Total drug cost$757
Part D patients37
Dr. Rizza's Part D claims by kind of drug, 2024
- Generic122 claims85%
- Brand-name22 claims15%
Dr. Rizza's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 9982024: 4496%
Drugs named by CMS: 3 in 2024, 26 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Find cardiologists like Dr. Rizza 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.
Dr. Maria Cristina Rizza has 2 publications on record
Dmand AI links 2 papers to Dr. Rizza in 2014.
Papers2
Recent publications by Dr. Rizza
Riv Psichiatr
Antipsychotic AgentsBipolar DisorderDibenzocycloheptenes
See who Dr. Rizza researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Rizza works with, so you can find a warm path to the right cardiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Maria Cristina Rizza received $4,283 in industry payments from 2016 to 2023
CMS Open Payments shows 227 general payments to Dr. Rizza from 44 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $697.
General payments to Dr. Rizza by program year, 2016 to 2023
General payments to Dr. Rizza by kind, 2016 to 2023
$4.3Kin total
- Food and beverage$4,275100%
- Education$80%
Companies that paid Dr. Rizza the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Maria Cristina Rizza has 1 award and honors on record
Dmand AI lists 1 award for Dr. Rizza, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Rizza
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Maria Cristina Rizza graduated from University of Bologna
Dr. Rizza graduated from University of Bologna in 1976.
- Medical school
- Board certified in internal medicine
- Board certified in cardiovascular disease
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Maria Cristina Rizza accepts plans from 4 insurance carriers
Dr. Rizza is in network with 4 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
Plan types Dr. Rizza accepts, by number of carriers
- Medicare4
- PPO4
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Maria Cristina Rizza'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 Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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 Dr. Maria Cristina Rizza
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Maria Cristina Rizza's NPI number?
Dr. Maria Cristina Rizza's NPI number is 1689638280. It was assigned on April 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Maria Cristina Rizza?
Dr. Maria Cristina Rizza is a cardiologist in Fountain Valley, California. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Maria Cristina Rizza practice?
Dr. Rizza practices at 17100 Euclid St, Fountain Valley, CA 92708. Dr. Rizza's primary practice is Hoag Hospital Newport Beach in Fountain Valley, California.
What is Dr. Maria Cristina Rizza's office phone number?
The practice phone on file for Dr. Rizza is (949) 764-4624.
What is Dr. Maria Cristina Rizza's medical license number?
Dr. Rizza holds California license A32775.
Does Dr. Maria Cristina Rizza accept Medicare?
Yes. CMS data shows Dr. Rizza billed Medicare for 2,908 services in 2022.
Is Dr. Maria Cristina Rizza board certified?
Yes. Dr. Rizza is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Maria Cristina Rizza bill to Medicare?
In 2022, Dr. Rizza's most billed Medicare services were office visit, established patient (99214), heart test or procedure (93010) and lab and pathology test (80061).
Where did Dr. Maria Cristina Rizza go to medical school?
Dr. Rizza graduated from University of Bologna in 1976.
What drugs does Dr. Maria Cristina Rizza prescribe most?
In 2024 Medicare Part D data, Dr. Rizza's most prescribed drugs by claims were Losartan Potassium, Ezetimibe and Flecainide Acetate.
Show 4 more questionsShow fewer questions
Has Dr. Maria Cristina Rizza received payments from drug or device companies?
CMS Open Payments shows $4,283 in general payments to Dr. Rizza from 44 companies from 2016 to 2023. The largest total came from Amgen Inc.
How long has Dr. Maria Cristina Rizza been practicing?
Dr. Rizza graduated from medical school in 1976, 50 years ago.
Does Dr. Maria Cristina Rizza do research?
Dmand AI links 2 publications to Dr. Rizza.
What insurance does Dr. Maria Cristina Rizza accept?
Dr. Rizza is in network with 4 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
Selling to cardiovascular disease practices?
See cardiologists in California 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