Kien W. Chou, LAc
- Medicare patients, 2024
- 40
- Part D claims, 2024
- 55
- Hospital affiliations
- 2
- Industry payments
- $233
- Medical group
- 1
- Practice address
- 2333 Buchanan St, San Francisco, CA 94115
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
California Pacific Medical Center - B.H. Cancer Care Center-Buchanan St - HOPD
Acute Care Hospital outpatient department · San Francisco, California
Find Kien Chou'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.
Kien W. Chou is a physician assistant in San Francisco, California
Kien Chou practices at California Pacific Medical Center - B.H. Cancer Care Center-Buchanan St - HOPD in San Francisco, California.
Kien Chou's NPI, 1134474893, was assigned on July 18, 2012. Kien Chou holds California license 55557.
- NPI
- 1134474893NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4284050253
- NPI enumeration date
- July 18, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- 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)
Kien W. Chou practices at California Pacific Medical Center - B.H. Cancer Care Center-Buchanan St - HOPD in San Francisco, California
Kien Chou's primary practice is California Pacific Medical Center - B.H. Cancer Care Center-Buchanan St - HOPD, at 2333 Buchanan St, San Francisco, CA 94115.
- California Pacific Medical Center - B.H. Cancer Care Center-Buchanan St - HOPD2333 Buchanan St, San Francisco, CA 94115
Source: Dmand AI Affiliation Data
Kien W. Chou is affiliated with 4 sites of care and 1 medical group
Kien Chou's primary practice is California Pacific Medical Center - B.H. Cancer Care Center-Buchanan St - HOPD in San Francisco, California. Kien Chou is also affiliated with California Pacific Medical Center Van Ness Campus. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Kien Chou to 1 more hospital and 1 group practice or clinic, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Kien W. Chou's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Kien Chou practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| California Pacific Medical Center - B.H. Cancer Care Center-Buchanan St - HOPD | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Kien W. Chou is one of 11,482 physician assistants in California
Physician assistant is Kien Chou's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Kien Chou is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near Kien Chou
Counts of physician assistants 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
Kien W. Chou treated 40 Medicare patients in 2024, average age 73
CMS counts 40 Medicare patients who saw Kien Chou in 2024. The largest group is 65 to 74, with 24 patients. 63% of them have high cholesterol, and 50% have arthritis. Their average risk score is 1.01, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Kien Chou's median patient age at 46, with 92% women.
Kien Chou's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Kien Chou's Medicare patients, 2024
- High cholesterol63%
- Arthritis50%
- High blood pressure45%
- Osteoporosis38%
- Anxiety33%
Share of Medicare patients with each condition. A patient can have several.
Kien Chou's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 46
Patient panel by sex, all payers
- Women92%
- Men2%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Kien W. Chou wrote 55 Medicare Part D claims in 2024
In 2024, Kien Chou wrote 55 Medicare Part D claims for 15 patients. 89% of them were for generic drugs.
Kien Chou's Part D claims by kind of drug, 2024
- Generic49 claims89%
- Brand-name and other6 claims11%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Kien W. Chou takes part in Medicare
Kien Chou 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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Kien W. Chou received $233 in industry payments in 2025
CMS Open Payments shows 5 general payments to Kien Chou from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Hologic Inc paid the most, $175.
Companies that paid Kien Chou the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Kien W. Chou'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 Data |
| 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 (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) |
| 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 Kien W. Chou
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Kien W. Chou's NPI number?
Kien W. Chou's NPI number is 1134474893. It was assigned on July 18, 2012, and it is active in the NPI Registry.
What does Kien W. Chou specialize in?
Kien W. Chou is a physician assistant in San Francisco, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Kien W. Chou practice?
Kien Chou practices at 2333 Buchanan St, San Francisco, CA 94115. Kien Chou's primary practice is California Pacific Medical Center - B.H. Cancer Care Center-Buchanan St - HOPD in San Francisco, California. Dmand AI also links Kien Chou to 1 hospital and 1 group practice or clinic.
What is Kien W. Chou's medical license number?
Kien Chou holds California license 55557.
Which hospitals is Kien W. Chou affiliated with?
Kien Chou is affiliated with California Pacific Medical Center Van Ness Campus. Dmand AI links Kien Chou to 1 more hospital.
What medical group is Kien W. Chou part of?
Kien Chou is linked to Palo Alto Foundation Medical Group.
Does Kien W. Chou accept Medicare?
Yes. CMS lists Kien Chou as accepting Medicare assignment.
How many Medicare patients does Kien W. Chou see?
CMS counts 40 Medicare patients who saw Kien Chou in 2024, with an average age of 73.
Has Kien W. Chou received payments from drug or device companies?
CMS Open Payments shows $233 in general payments to Kien Chou from 2 companies from 2025 to 2025. The largest total came from Hologic Inc.
How long has Kien W. Chou been practicing?
Kien Chou graduated from medical school in 2018, 8 years ago.
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