Dr. Eric Bryan Ontiveros, MD
- Medicare services, 2024
- 198
- Medicare patients, 2024
- 112
- Hospital affiliations
- 2
- Industry payments
- $2,962
- Medical group
- 1
- Practice address
- 1100 West Stewart Dr, Orange, CA 92868
- Practice phone
- Call (714) 633-9111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ontiveros' professional email, personal email and mobile number
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Dr. Eric Bryan Ontiveros is an anesthesiologist in Orange, California
Dr. Ontiveros practices at Providence St. Joseph Hospital Orange in Orange, California, part of Providence Health & Services.
Dr. Ontiveros' NPI, 1477574986, was assigned on July 21, 2006. Dr. Ontiveros graduated from UCSF School of Medicine in 1993. Dr. Ontiveros holds California license G80331.
- NPI
- 1477574986NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6204950546
- NPI enumeration date
- July 21, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 633-9111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Eric Bryan Ontiveros practices at Providence St. Joseph Hospital Orange in Orange, California
Dr. Ontiveros' primary practice is Providence St. Joseph Hospital Orange, at 1100 West Stewart Dr, Orange, CA 92868 in Orange County. The practice phone is (714) 633-9111.
- Providence St. Joseph Hospital Orange1100 West Stewart Dr, Orange, CA 92868 · Orange CountyPhone(714) 633-9111
Source: Dmand AI Affiliation Data
Dr. Eric Bryan Ontiveros is affiliated with 2 sites of care and 1 medical group
Dr. Ontiveros' primary practice is Providence St. Joseph Hospital Orange in Orange, California, part of Providence Health & Services. Dr. Ontiveros is also affiliated with Hoag Orthopedic Institute. The medical group on file is Allied Anesthesia Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Eric Bryan Ontiveros' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ontiveros practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Providence St. Joseph Hospital Orange | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Eric Bryan Ontiveros is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Ontiveros' primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Ontiveros is board certified in adult cardiac anesthesiology by the American Board of Anesthesiology. Dr. Ontiveros is licensed in California.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
Anesthesiologists near Dr. Ontiveros
Counts of anesthesiologists 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. Eric Bryan Ontiveros billed Medicare for 198 services in 2024
CMS data shows 198 Medicare services from Dr. Ontiveros across 12 procedure codes in 2024, for 112 Medicare patients. Medicare paid $20,004 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ontiveros' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 582024: 7529%
- Tests and treatments
- 2023: 552024: 509%
- Anesthesia
- 2023: 342024: 4532%
- Imaging
- 2023: 272024: 284%
Dr. Ontiveros compared with the California median for anesthesiologists, 2024
- Dr. Ontiveros
- California median
- Medicare services
- 198vs 722.8 times
- Medicare patients
- 112vs 14322% below
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Ontiveros' 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. Ontiveros?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ontiveros and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Eric Bryan Ontiveros treated 112 Medicare patients in 2024, average age 77
CMS counts 112 Medicare patients who saw Dr. Ontiveros in 2024. The largest group is 75 to 84, with 52 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.47, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ontiveros' median patient age at 47, with 49% women.
Dr. Ontiveros' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ontiveros' Medicare patients by sex, 2024
- Women5650%
- Men5650%
Chronic conditions among Dr. Ontiveros' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis64%
- Ischemic heart disease48%
- Atrial fibrillation46%
- Heart failure39%
- Diabetes31%
- Chronic kidney disease29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ontiveros' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women49%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Eric Bryan Ontiveros takes part in Medicare
Dr. Ontiveros 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. Eric Bryan Ontiveros received $2,962 in industry payments from 2016 to 2025
CMS Open Payments shows 38 general payments to Dr. Ontiveros from 17 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Baxter Healthcare paid the most, $572.
General payments to Dr. Ontiveros by program year, 2016 to 2025
Companies that paid Dr. Ontiveros 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. Eric Bryan Ontiveros graduated from UCSF School of Medicine
Dr. Ontiveros graduated from UCSF School of Medicine in 1993.
- Medical school
- Board certified in adult cardiac anesthesiology
- Board certified in anesthesiology
- Board certified in pediatric anesthesiology
Source: Dmand AI Professional Profile Data
Dr. Eric Bryan Ontiveros accepts plans from 1 insurance carrier
Dr. Ontiveros is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Eric Bryan Ontiveros'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Eric Bryan Ontiveros
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. Eric Bryan Ontiveros' NPI number?
Dr. Eric Bryan Ontiveros' NPI number is 1477574986. It was assigned on July 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Eric Bryan Ontiveros?
Dr. Eric Bryan Ontiveros is an anesthesiologist in Orange, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Eric Bryan Ontiveros practice?
Dr. Ontiveros practices at 1100 West Stewart Dr, Orange, CA 92868. Dr. Ontiveros' primary practice is Providence St. Joseph Hospital Orange in Orange, California, part of Providence Health & Services.
What is Dr. Eric Bryan Ontiveros' office phone number?
The practice phone on file for Dr. Ontiveros is (714) 633-9111.
What is Dr. Eric Bryan Ontiveros' medical license number?
Dr. Ontiveros holds California license G80331.
Which hospitals is Dr. Eric Bryan Ontiveros affiliated with?
Dr. Ontiveros practices at Providence St. Joseph Hospital Orange in Orange, California. Dr. Ontiveros is also affiliated with Hoag Orthopedic Institute.
What medical group is Dr. Eric Bryan Ontiveros part of?
Dr. Ontiveros is linked to Allied Anesthesia Medical Group.
Does Dr. Eric Bryan Ontiveros accept Medicare?
Yes. CMS data shows Dr. Ontiveros billed Medicare for 198 services in 2024, and Dr. Ontiveros accepts Medicare assignment.
How many Medicare patients does Dr. Eric Bryan Ontiveros see?
CMS counts 112 Medicare patients who saw Dr. Ontiveros in 2024, with an average age of 77.
Is Dr. Eric Bryan Ontiveros board certified?
Yes. Dr. Ontiveros is board certified in adult cardiac anesthesiology by the American Board of Anesthesiology.
Show 5 more questionsShow fewer questions
What services does Dr. Eric Bryan Ontiveros bill to Medicare?
In 2024, Dr. Ontiveros' most billed Medicare services were surgery: heart and blood vessels (36620), ultrasound (76937) and anesthesia (00560).
Where did Dr. Eric Bryan Ontiveros go to medical school?
Dr. Ontiveros graduated from UCSF School of Medicine in 1993.
Has Dr. Eric Bryan Ontiveros received payments from drug or device companies?
CMS Open Payments shows $2,962 in general payments to Dr. Ontiveros from 17 companies from 2016 to 2025. The largest total came from Baxter Healthcare.
How long has Dr. Eric Bryan Ontiveros been practicing?
Dr. Ontiveros graduated from medical school in 1993, 33 years ago.
What insurance does Dr. Eric Bryan Ontiveros accept?
Dr. Ontiveros is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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