Dr. Danielle M. Matonis, MD
- Medicare services, 2024
- 480
- Medicare patients, 2024
- 449
- Part D claims, 2024
- 154
- Publications
- 8
- Hospital affiliations
- 1
- Practice address
- 101 City Drive South, Orange, CA 92868
- Practice phone
- Call (714) 456-7890
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Matonis' professional email, personal email and mobile number
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Dr. Danielle M. Matonis is an emergency medicine physician in Orange, California
Dr. Matonis practices at UCI Health - Orange in Orange, California, part of UC Irvine.
Dr. Matonis' NPI, 1326542168, was assigned on March 19, 2018. Dr. Matonis graduated from Boston University School of Medicine in 2018. Dr. Matonis holds California license A164163.
- NPI
- 1326542168NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375964430
- NPI enumeration date
- March 19, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 456-7890
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Danielle M. Matonis practices at UCI Health - Orange in Orange, California
Dr. Matonis' primary practice is UCI Health - Orange, at 101 City Drive South, Orange, CA 92868 in Orange County. The practice phone is (714) 456-7890.
- UCI Health - Orange101 City Drive South, Orange, CA 92868 · Orange CountyPhone(714) 456-7890
Source: Dmand AI Affiliation Data
Dr. Danielle M. Matonis is affiliated with 1 site of care and 6 medical groups
Dr. Matonis' primary practice is UCI Health - Orange in Orange, California, part of UC Irvine. The medical group on file is Vituity. Dmand AI also links Dr. Matonis to 5 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Danielle M. Matonis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Matonis practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCI Health - Orange | Available with a free account |
| +5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Danielle M. Matonis is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Matonis' primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Matonis is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Matonis
Counts of emergency medicine physicians 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. Danielle M. Matonis billed Medicare for 480 services in 2024
CMS data shows 480 Medicare services from Dr. Matonis across 7 procedure codes in 2024, for 449 Medicare patients. Medicare paid $56,046 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Matonis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4372024: 4272%
- Imaging
- 2023: 462024: 3426%
- Tests and treatments
- 2023: 602024: 1968%
Dr. Matonis compared with the California median for emergency medicine physicians, 2024
- Dr. Matonis
- California median
- Medicare services
- 480vs 26581% above
- Medicare patients
- 449vs 24385% above
- Part D claims
- 54vs 6213% below
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Matonis' most billed Medicare procedure codes, 2024
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. Matonis?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Matonis and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Danielle M. Matonis treated 449 Medicare patients in 2024, average age 73
CMS counts 449 Medicare patients who saw Dr. Matonis in 2024. The largest group is 65 to 74, with 158 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 64% are also on Medicaid. Their average risk score is 2.75, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Matonis' median patient age at 52, with 53% women.
Dr. Matonis' Medicare patients by age, 2024
Dr. Matonis' Medicare patients by sex, 2024
- Women24955%
- Men20045%
Chronic conditions among Dr. Matonis' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Diabetes46%
- Chronic kidney disease43%
- Ischemic heart disease39%
- Mood disorders36%
- Depression34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Matonis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Danielle M. Matonis wrote 154 Medicare Part D claims in 2024
In 2024, Dr. Matonis wrote 154 Medicare Part D claims for 96 patients. 91% of them were for generic drugs. CMS names the drug for 54 of them, across 4 drugs with 11 or more claims each, at $371 in total drug cost. In 2023, CMS named 24 claims across 2 drugs.
Dr. Matonis' Part D claims by kind of drug, 2024
- Generic140 claims91%
- Brand-name and other14 claims9%
Dr. Matonis' 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. Matonis' Part D claims, 2024
- Antibiotics40%61 of 154 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: 242024: 54125%
Drugs named by CMS: 4 in 2024, 2 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
How Dr. Danielle M. Matonis takes part in Medicare
Dr. Matonis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Danielle M. Matonis has 8 publications on record
Dmand AI links 8 papers to Dr. Matonis, published from 2020 to 2025. 2021 was the busiest year, with 3. Dr. Matonis has published most often in J Educ Teach Emerg Med. Dr. Matonis' most frequent co-authors are Alisa V. Wray, MD, Ryan Patrick Gibney, MD and Maxwell Y. Jen, MD.
Dr. Matonis' papers by year, 2020 to 2025
Dr. Matonis' most frequent co-authors
- Alisa V. Wray, MD6 shared papers
- Ryan Patrick Gibney, MD2 shared papers
- Maxwell Y. Jen, MD2 shared papers
Recent publications by Dr. Matonis
J Educ Teach Emerg Med
See who Dr. Matonis researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Matonis works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Danielle M. Matonis received $188 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Matonis from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Mindray DS USA, Inc. paid the most, $188.
Companies that paid Dr. Matonis the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Danielle M. Matonis graduated from Boston University School of Medicine
Dr. Matonis graduated from Boston University School of Medicine in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Danielle M. Matonis'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 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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) |
| 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 Dr. Danielle M. Matonis
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. Danielle M. Matonis' NPI number?
Dr. Danielle M. Matonis' NPI number is 1326542168. It was assigned on March 19, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Danielle M. Matonis?
Dr. Danielle M. Matonis is an emergency medicine physician in Orange, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Danielle M. Matonis practice?
Dr. Matonis practices at 101 City Drive South, Orange, CA 92868. Dr. Matonis' primary practice is UCI Health - Orange in Orange, California, part of UC Irvine. Dmand AI also links Dr. Matonis to 5 medical groups.
What is Dr. Danielle M. Matonis' office phone number?
The practice phone on file for Dr. Matonis is (714) 456-7890.
What is Dr. Danielle M. Matonis' medical license number?
Dr. Matonis holds California license A164163.
Which hospitals is Dr. Danielle M. Matonis affiliated with?
Dr. Matonis practices at UCI Health - Orange in Orange, California.
What medical group is Dr. Danielle M. Matonis part of?
Dr. Matonis is linked to Vituity. Dmand AI links Dr. Matonis to 5 more medical groups.
Does Dr. Danielle M. Matonis accept Medicare?
Yes. CMS data shows Dr. Matonis billed Medicare for 480 services in 2024, and Dr. Matonis accepts Medicare assignment.
How many Medicare patients does Dr. Danielle M. Matonis see?
CMS counts 449 Medicare patients who saw Dr. Matonis in 2024, with an average age of 73.
What services does Dr. Danielle M. Matonis bill to Medicare?
In 2024, Dr. Matonis' most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).
Show 6 more questionsShow fewer questions
Where did Dr. Danielle M. Matonis go to medical school?
Dr. Matonis graduated from Boston University School of Medicine in 2018.
What drugs does Dr. Danielle M. Matonis prescribe most?
In 2024 Medicare Part D data, Dr. Matonis' most prescribed drugs by claims were Azithromycin, Cefdinir and Ondansetron ODT.
Has Dr. Danielle M. Matonis received payments from drug or device companies?
CMS Open Payments shows $188 in general payments to Dr. Matonis from 1 company from 2025 to 2025. The largest total came from Mindray DS USA, Inc.
How long has Dr. Danielle M. Matonis been practicing?
Dr. Matonis graduated from medical school in 2018, 8 years ago.
Does Dr. Danielle M. Matonis do research?
Dmand AI links 8 publications to Dr. Matonis, published from 2020 to 2025.
Who does Dr. Danielle M. Matonis publish with?
Dr. Matonis' most frequent co-authors are Alisa V. Wray, MD (6 shared papers), Ryan Patrick Gibney, MD (2 shared papers) and Maxwell Y. Jen, MD (2 shared papers).
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