Dr. Honzen Ou, MD
- Medicare services, 2020
- 16
- Part D claims, 2018
- 34
- Industry payments
- $837
- Affiliated sites
- 2
- Medical group
- 1
- Practice address
- 5562 Philadelphia Street Suite 111, Chino, CA 91710
- Practice phone
- Call (909) 464-9119
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Chino Premier Surgery Center
Surgery Center - Medicare-Certified · Chino, California
Find Dr. Ou'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. Honzen Ou is a general surgeon in Chino, California
Dr. Ou practices at Chino Premier Surgery Center in Chino, California.
Dr. Ou's NPI, 1215017413, was assigned on October 16, 2006. Dr. Ou graduated from National Taiwan University College of Medicine in 1973. Dr. Ou's California license number on file is A30984.
- NPI
- 1215017413NPI Registry (opens in a new tab)
- NPI enumeration date
- October 16, 2006
- NPI status
- Active
- Practice phone
- (909) 464-9119
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 79
- Medical school graduation
- 1973
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Honzen Ou practices at Chino Premier Surgery Center in Chino, California
Dr. Ou's primary practice is Chino Premier Surgery Center, at 5562 Philadelphia Street Suite 111, Chino, CA 91710. The practice phone is (909) 464-9119.
- Chino Premier Surgery Center5562 Philadelphia Street Suite 111, Chino, CA 91710Phone(909) 464-9119
Source: Dmand AI Affiliation Data
Dr. Honzen Ou is affiliated with 2 sites of care and 1 medical group
Dr. Ou's primary practice is Chino Premier Surgery Center in Chino, California. The medical group on file is TotalCare Walk-In Clinic. Dmand AI also links Dr. Ou to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Honzen Ou's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ou practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Chino Premier Surgery Center | 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. Honzen Ou is one of 2,926 general surgeons in California
Surgery is Dr. Ou's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Ou has a license on file in California.
Specialties and state licenses
- Surgery, CaliforniaPrimary
General surgeons near Dr. Ou
Counts of general surgeons 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. Honzen Ou billed Medicare for 16 services in 2020
CMS data shows 16 Medicare services from Dr. Ou across 1 procedure code in 2020, all of them office visits. Medicare paid $2,190 for them. Every service was in an office.
Dr. Ou's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 172020: 166%
Dr. Ou compared with the California median for general surgeons, 2020
- Dr. Ou
- California median
- Medicare services
- 16vs 16690% below
- Part D claims
- 34vs 34Close to median
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. Ou's most billed Medicare procedure codes, 2020
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ou and other general surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Honzen Ou's patients have a median age of 74
Across all payers, Dmand AI patient panel data puts Dr. Ou's median patient age at 74, with 44% women.
Dr. Ou's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women44%
- Men54%
Source: Dmand AI Patient Panel Data
Dr. Honzen Ou wrote 34 Medicare Part D claims in 2018
In 2018, Dr. Ou wrote 34 Medicare Part D claims. They cover 2 drugs, with $329 in total drug cost. In 2017, CMS named 59 claims across 3 drugs.
Dr. Ou's most prescribed drugs by claims, 2018
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, 2017 to 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 592018: 3442%
Drugs named by CMS: 2 in 2018, 3 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Honzen Ou received $837 in industry payments from 2016 to 2021
CMS Open Payments shows 10 general payments to Dr. Ou from 9 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. Intuitive Surgical, Inc. paid the most, $311.
General payments to Dr. Ou by program year, 2016 to 2021
Companies that paid Dr. Ou the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Honzen Ou has 1 award and honors on record
Dmand AI lists 1 award for Dr. Ou.
Awards and honors for Dr. Ou
- Undated
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. Honzen Ou graduated from National Taiwan University College of Medicine
Dr. Ou graduated from National Taiwan University College of Medicine in 1973.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Honzen Ou accepts plans from 15 insurance carriers
Dr. Ou is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Humana
- Blue Cross Blue Shield of Massachusetts
- Molina
- +7 more carriersWith a free account
Plan types Dr. Ou accepts, by number of carriers
- PPO10
- HMO8
- Medicare8
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Honzen Ou'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| 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. Honzen Ou
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. Honzen Ou's NPI number?
Dr. Honzen Ou's NPI number is 1215017413. It was assigned on October 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Honzen Ou?
Dr. Honzen Ou is a general surgeon in Chino, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Honzen Ou practice?
Dr. Ou practices at 5562 Philadelphia Street Suite 111, Chino, CA 91710. Dr. Ou's primary practice is Chino Premier Surgery Center in Chino, California. Dmand AI also links Dr. Ou to 1 group practice or clinic.
What is Dr. Honzen Ou's office phone number?
The practice phone on file for Dr. Ou is (909) 464-9119.
What is Dr. Honzen Ou's medical license number?
Dr. Ou's California license number on file is A30984.
What medical group is Dr. Honzen Ou part of?
Dr. Ou is linked to TotalCare Walk-In Clinic.
Does Dr. Honzen Ou accept Medicare?
Yes. CMS data shows Dr. Ou billed Medicare for 16 services in 2020.
What services does Dr. Honzen Ou bill to Medicare?
In 2020, Dr. Ou's most billed Medicare services were office visit, new patient (99204).
Where did Dr. Honzen Ou go to medical school?
Dr. Ou graduated from National Taiwan University College of Medicine in 1973.
What drugs does Dr. Honzen Ou prescribe most?
In 2018 Medicare Part D data, Dr. Ou's most prescribed drugs by claims were Acetaminophen-Codeine and Gavilyte-G.
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Has Dr. Honzen Ou received payments from drug or device companies?
CMS Open Payments shows $837 in general payments to Dr. Ou from 9 companies from 2016 to 2021. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Honzen Ou been practicing?
Dr. Ou graduated from medical school in 1973, 53 years ago.
What insurance does Dr. Honzen Ou accept?
Dr. Ou is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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