Dr. Ornella Addonizio, MD
- Medicare services, 2023
- 300
- Part D claims, 2024
- 3,331
- Industry payments
- $11,017
- Medical groups
- 2
- Insurance carriers
- 5
- Practice address
- 2540 Sister Mary Columba Dr, Red Bluff, CA 96080-4327
- Practice phone
- Call (530) 690-2778
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Rolling Hills Clinic
FQHC · Red Bluff, California
Find Dr. Addonizio'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. Ornella Addonizio is a psychiatrist in Red Bluff, California
Dr. Addonizio practices at Rolling Hills Clinic in Red Bluff, California.
Dr. Addonizio's NPI, 1154401149, was assigned on October 16, 2006. Dr. Addonizio graduated from Universidad Autonoma de Guadalajara in 1984. Dr. Addonizio holds California license A54305.
- NPI
- 1154401149NPI Registry (opens in a new tab)
- NPI enumeration date
- October 16, 2006
- NPI status
- Active
- Practice phone
- (530) 690-2778
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 64
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ornella Addonizio practices at Rolling Hills Clinic in Red Bluff, California
Dr. Addonizio's primary practice is Rolling Hills Clinic, at 2540 Sister Mary Columba Dr, Red Bluff, CA 96080-4327. The practice phone is (530) 690-2778.
- Rolling Hills Clinic2540 Sister Mary Columba Dr, Red Bluff, CA 96080-4327Phone(530) 690-2778
Source: Doctors and Clinicians National Downloadable File (CMS)
Dr. Ornella Addonizio is affiliated with 1 site of care and 2 medical groups
Dr. Addonizio's primary practice is Rolling Hills Clinic in Red Bluff, California. The medical group on file is Rolling Hills Clinic. Dmand AI also links Dr. Addonizio to 1 more medical group, named with a free account.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ornella Addonizio's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Addonizio practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Rolling Hills Clinic | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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. Ornella Addonizio is one of 6,803 psychiatrists in California
Psychiatry is Dr. Addonizio's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dmand AI has Dr. Addonizio's licenses on file in 3 states: California, Georgia and Alabama.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
- Georgia license
- Alabama license
Clinical focus
Dmand AI lists ADHD, adjustment disease, anxiety, bipolar disorder, depression, drug use disorders, insomnia and intellectual and developmental disabilities among the conditions Dr. Addonizio treats.
Psychiatrists near Dr. Addonizio
Counts of psychiatrists 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. Ornella Addonizio billed Medicare for 300 services in 2023
CMS data shows 300 Medicare services from Dr. Addonizio across 5 procedure codes in 2023. Medicare paid $21,151 for them. Every service was in an office.
Dr. Addonizio's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 9582023: 24175%
- Tests and treatments
- 2022: 2182023: 4082%
- Lab and pathology
- 2022: 432023: 1956%
- Other services
- 2022: 152023: 0100%
Dr. Addonizio compared with the California median for psychiatrists, 2023
- Dr. Addonizio
- California median
- Medicare services
- 300vs 1192.5 times
- Part D claims
- 3,194vs 14422.2 times
Medians across 6,809 psychiatrists in California with Dmand AI profiles that report each measure.
Dr. Addonizio's most billed Medicare procedure codes, 2023
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. Addonizio?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Addonizio and other psychiatrists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ornella Addonizio's patients have a median age of 42
Across all payers, Dmand AI patient panel data puts Dr. Addonizio's median patient age at 42, with 56% women.
Dr. Addonizio's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 42
Patient panel by sex, all payers
- Women56%
- Men44%
Source: Dmand AI Patient Panel Data
Dr. Ornella Addonizio wrote 3,331 Medicare Part D claims in 2024
In 2024, Dr. Addonizio wrote 3,331 Medicare Part D claims for 220 patients. 90% of them were for generic drugs. CMS names the drug for 3,194 of them, across 63 drugs with 11 or more claims each, at $753,712 in total drug cost. In 2023, CMS named 1,956 claims across 52 drugs.
Dr. Addonizio's Part D claims by kind of drug, 2024
- Generic3,003 claims90%
- Brand-name328 claims10%
Dr. Addonizio'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.
Drug classes CMS tracks in Dr. Addonizio's Part D claims, 2024
- Antipsychotics, patients 65 and over7%240 of 3,331 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,9562024: 3,19463%
Drugs named by CMS: 63 in 2024, 52 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
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Ornella Addonizio received $11,017 in industry payments from 2016 to 2025
CMS Open Payments shows 808 general payments to Dr. Addonizio from 25 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Sunovion Pharmaceuticals Inc. paid the most, $1,648.
General payments to Dr. Addonizio by program year, 2016 to 2025
General payments to Dr. Addonizio by kind, 2016 to 2025
- Food and beverage$10,80998%
- Education$2092%
Companies that paid Dr. Addonizio the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ornella Addonizio graduated from Universidad Autonoma de Guadalajara
Dr. Addonizio graduated from Universidad Autonoma de Guadalajara in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Ornella Addonizio accepts plans from 5 insurance carriers
Dr. Addonizio is in network with 5 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
Plan types Dr. Addonizio accepts, by number of carriers
- Medicare5
- PPO5
- HMO2
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Ornella Addonizio'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 | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Affiliation 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Ornella Addonizio
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. Ornella Addonizio's NPI number?
Dr. Ornella Addonizio's NPI number is 1154401149. It was assigned on October 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ornella Addonizio?
Dr. Ornella Addonizio is a psychiatrist in Red Bluff, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Ornella Addonizio practice?
Dr. Addonizio practices at 2540 Sister Mary Columba Dr, Red Bluff, CA 96080-4327. Dr. Addonizio's primary practice is Rolling Hills Clinic in Red Bluff, California. Dmand AI also links Dr. Addonizio to 1 medical group.
What is Dr. Ornella Addonizio's office phone number?
The practice phone on file for Dr. Addonizio is (530) 690-2778.
What is Dr. Ornella Addonizio's medical license number?
Dr. Addonizio holds California license A54305, one of the licenses on file in 3 states.
Which states has Dr. Ornella Addonizio been licensed in?
Dmand AI has state licenses on file for Dr. Addonizio in California (1995 to 2026), Georgia (1998 to 1999) and Alabama (1995 to 1997).
What medical group is Dr. Ornella Addonizio part of?
Dr. Addonizio is linked to Rolling Hills Clinic. Dmand AI links Dr. Addonizio to 1 more medical group.
Does Dr. Ornella Addonizio accept Medicare?
Yes. CMS data shows Dr. Addonizio billed Medicare for 300 services in 2023.
What services does Dr. Ornella Addonizio bill to Medicare?
In 2023, Dr. Addonizio's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and psychiatric service (90837).
Where did Dr. Ornella Addonizio go to medical school?
Dr. Addonizio graduated from Universidad Autonoma de Guadalajara in 1984.
Show 4 more questionsShow fewer questions
What drugs does Dr. Ornella Addonizio prescribe most?
In 2024 Medicare Part D data, Dr. Addonizio's most prescribed drugs by claims were Trazodone HCl, Aripiprazole and Buspirone HCl.
Has Dr. Ornella Addonizio received payments from drug or device companies?
CMS Open Payments shows $11,017 in general payments to Dr. Addonizio from 25 companies from 2016 to 2025. The largest total came from Sunovion Pharmaceuticals Inc.
How long has Dr. Ornella Addonizio been practicing?
Dr. Addonizio graduated from medical school in 1984, 42 years ago.
What insurance does Dr. Ornella Addonizio accept?
Dr. Addonizio is in network with 5 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
Selling to psychiatry practices?
See psychiatrists 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