Dr. John Yeuk Hon Siu, MD
- Medicare services, 2024
- 424
- Medicare patients, 2024
- 253
- MIPS score, 2024
- 75
- Hospital affiliations
- 1
- Industry payments
- $561
- Practice address
- 2000 Mowry Ave, Fremont, CA 94538
- Practice phone
- Call (510) 797-1111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Siu'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. John Yeuk Hon Siu is an anesthesiologist in Fremont, California
Dr. Siu practices at Washington Health in Fremont, California, part of Washington Health.
Dr. Siu's NPI, 1922323492, was assigned on March 29, 2010. Dr. Siu graduated from University of Wisconsin-Madison in 2010. Dr. Siu holds California license A135545.
- NPI
- 1922323492NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8527373364
- NPI enumeration date
- March 29, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (510) 797-1111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Yeuk Hon Siu practices at Washington Health in Fremont, California
Dr. Siu's primary practice is Washington Health, at 2000 Mowry Ave, Fremont, CA 94538 in Alameda County. The practice phone is (510) 797-1111.
- Washington Health2000 Mowry Ave, Fremont, CA 94538 · Alameda CountyPhone(510) 797-1111
Source: Dmand AI Affiliation Data
Dr. John Yeuk Hon Siu is affiliated with 2 sites of care and 1 medical group
Dr. Siu's primary practice is Washington Health in Fremont, California, part of Washington Health. The medical group on file is CEP America. Dmand AI also links Dr. Siu 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. John Yeuk Hon Siu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Siu practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Washington Health | 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. John Yeuk Hon Siu is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Siu's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Siu is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Siu's licenses on file in 2 states: California and Pennsylvania.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
- Pennsylvania license
Anesthesiologists near Dr. Siu
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. John Yeuk Hon Siu billed Medicare for 424 services in 2024
CMS data shows 424 Medicare services from Dr. Siu across 7 procedure codes in 2024, for 253 Medicare patients. Medicare paid $55,657 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Siu's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 3112024: 25817%
- Anesthesia
- 2023: 2012024: 16617%
Dr. Siu compared with the California median for anesthesiologists, 2024
- Dr. Siu
- California median
- Medicare services
- 424vs 725.9 times
- Medicare patients
- 253vs 14377% above
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Siu's 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. Siu?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Siu and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Yeuk Hon Siu treated 253 Medicare patients in 2024, average age 75
CMS counts 253 Medicare patients who saw Dr. Siu in 2024. The largest group is 65 to 74, with 112 patients. 75% of them have arthritis, and 75% have high blood pressure. 20% are also on Medicaid. Their average risk score is 1.55, 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. Siu's median patient age at 61, with 64% women.
Dr. Siu's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Siu's Medicare patients by sex, 2024
- Women14357%
- Men11043%
Chronic conditions among Dr. Siu's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Diabetes31%
- Ischemic heart disease31%
- Chronic kidney disease24%
- Mood disorders23%
- Anxiety21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Siu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women64%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Yeuk Hon Siu scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Siu for performance year 2024, reported as part of a group. Dr. Siu accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. John Yeuk Hon Siu received $561 in industry payments from 2016 to 2025
CMS Open Payments shows 20 general payments to Dr. Siu from 5 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Heron Therapeutics, Inc. paid the most, $307.
General payments to Dr. Siu by program year, 2016 to 2025
Companies that paid Dr. Siu 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. John Yeuk Hon Siu graduated from University of Wisconsin-Madison
Dr. Siu graduated from University of Wisconsin-Madison in 2010.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. John Yeuk Hon Siu accepts plans from 6 insurance carriers
Dr. Siu is in network with 6 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
- United Healthcare
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- Elevance
- HCSC
Plan types Dr. Siu accepts, by number of carriers
- PPO3
- Medicare2
- POS2
- EPO1
- HMO1
Source: Dmand AI Insurance Network Data
Sources for Dr. John Yeuk Hon Siu'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)Clinician Public Reporting: Overall MIPS Performance (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. John Yeuk Hon Siu
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. John Yeuk Hon Siu's NPI number?
Dr. John Yeuk Hon Siu's NPI number is 1922323492. It was assigned on March 29, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. John Yeuk Hon Siu?
Dr. John Yeuk Hon Siu is an anesthesiologist in Fremont, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. John Yeuk Hon Siu practice?
Dr. Siu practices at 2000 Mowry Ave, Fremont, CA 94538. Dr. Siu's primary practice is Washington Health in Fremont, California, part of Washington Health. Dmand AI also links Dr. Siu to 1 group practice or clinic.
What is Dr. John Yeuk Hon Siu's office phone number?
The practice phone on file for Dr. Siu is (510) 797-1111.
What is Dr. John Yeuk Hon Siu's medical license number?
Dr. Siu holds California license A135545, one of the licenses on file in 2 states.
Which states has Dr. John Yeuk Hon Siu been licensed in?
Dmand AI has state licenses on file for Dr. Siu in California (2015 to 2027) and Pennsylvania (2014 to 2015).
Which hospitals is Dr. John Yeuk Hon Siu affiliated with?
Dr. Siu practices at Washington Health in Fremont, California.
What medical group is Dr. John Yeuk Hon Siu part of?
Dr. Siu is linked to CEP America.
Does Dr. John Yeuk Hon Siu accept Medicare?
Yes. CMS data shows Dr. Siu billed Medicare for 424 services in 2024, and Dr. Siu accepts Medicare assignment.
What is Dr. John Yeuk Hon Siu's MIPS score?
Dr. Siu's MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. John Yeuk Hon Siu see?
CMS counts 253 Medicare patients who saw Dr. Siu in 2024, with an average age of 75.
Is Dr. John Yeuk Hon Siu board certified?
Yes. Dr. Siu is board certified in anesthesiology by the American Board of Anesthesiology.
What services does Dr. John Yeuk Hon Siu bill to Medicare?
In 2024, Dr. Siu's most billed Medicare services were surgery: brain, spine and nerves (62322), surgery: brain, spine and nerves (64447) and anesthesia (01402).
Where did Dr. John Yeuk Hon Siu go to medical school?
Dr. Siu graduated from University of Wisconsin-Madison in 2010.
Has Dr. John Yeuk Hon Siu received payments from drug or device companies?
CMS Open Payments shows $561 in general payments to Dr. Siu from 5 companies from 2016 to 2025. The largest total came from Heron Therapeutics, Inc.
How long has Dr. John Yeuk Hon Siu been practicing?
Dr. Siu graduated from medical school in 2010, 16 years ago.
What insurance does Dr. John Yeuk Hon Siu accept?
Dr. Siu is in network with 6 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
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