Dr. Carl Ka-Yee Hsu, MD
- Medicare services, 2016
- 44
- Part D claims, 2024
- 179
- Hospital affiliations
- 1
- Industry payments
- $112
- Medical groups
- 2
- Practice address
- 733 Cedar St, Garberville, CA 95542
- Practice phone
- Call (707) 923-3921
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hsu'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. Carl Ka-Yee Hsu is an emergency medicine physician in Garberville, California
Dr. Hsu practices at Jerold Phelps Community Hospital in Garberville, California, part of Sohum Health - Jerold Phelps Community Hospital.
Dr. Hsu's NPI, 1710909726, was assigned on July 25, 2006. Dr. Hsu holds New York license 1872931.
- NPI
- 1710909726NPI Registry (opens in a new tab)
- NPI enumeration date
- July 25, 2006
- NPI status
- Active
- Practice phone
- (707) 923-3921
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Carl Ka-Yee Hsu practices at Jerold Phelps Community Hospital in Garberville, California
Dr. Hsu's primary practice is Jerold Phelps Community Hospital, at 733 Cedar St, Garberville, CA 95542 in Humboldt County. The practice phone is (707) 923-3921.
- Jerold Phelps Community Hospital733 Cedar St, Garberville, CA 95542 · Humboldt CountyPhone(707) 923-3921
Source: Dmand AI Affiliation Data
Dr. Carl Ka-Yee Hsu is affiliated with 1 site of care and 2 medical groups
Dr. Hsu's primary practice is Jerold Phelps Community Hospital in Garberville, California, part of Sohum Health - Jerold Phelps Community Hospital. The medical group on file is SoHum Health - Jerold Phelps Community Hospital. Dmand AI also links Dr. Hsu to 1 more medical group, named with a free account. Dr. Hsu's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Carl Ka-Yee Hsu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hsu practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Jerold Phelps Community Hospital | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Sohum Health - Jerold Phelps Community Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Carl Ka-Yee Hsu is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Hsu's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Hsu is licensed in New York.
Specialties and state licenses
- Emergency medicine, New YorkPrimary
Emergency medicine physicians near Dr. Hsu
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. Carl Ka-Yee Hsu billed Medicare for 44 services in 2016
CMS data shows 44 Medicare services from Dr. Hsu across 2 procedure codes in 2016. Medicare paid $4,793 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Hsu compared with the California median for emergency medicine physicians, 2016
- Dr. Hsu
- California median
- Medicare services
- 44vs 26583% below
- Part D claims
- 111vs 6279% above
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Hsu's most billed Medicare procedure codes, 2016
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. Hsu?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hsu 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. Carl Ka-Yee Hsu's patients have a median age of 70
Across all payers, Dmand AI patient panel data puts Dr. Hsu's median patient age at 70, with 51% women.
Dr. Hsu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women51%
- Men49%
Source: Dmand AI Patient Panel Data
Dr. Carl Ka-Yee Hsu wrote 179 Medicare Part D claims in 2024
In 2024, Dr. Hsu wrote 179 Medicare Part D claims for 106 patients. 96% of them were for generic drugs. CMS names the drug for 111 of them, across 6 drugs with 11 or more claims each, at $855 in total drug cost. In 2023, CMS named 13 claims across 1 drug.
Dr. Hsu's Part D claims by kind of drug, 2024
- Generic172 claims96%
- Brand-name and other7 claims4%
Dr. Hsu's 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. Hsu's Part D claims, 2024
- Antibiotics55%98 of 179 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: 132024: 111754%
Drugs named by CMS: 6 in 2024, 1 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
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Dr. Carl Ka-Yee Hsu received $112 in industry payments in 2016
CMS Open Payments shows 2 general payments to Dr. Hsu from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $112.
Companies that paid Dr. Hsu the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Carl Ka-Yee Hsu'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)Medicare Part D Prescribers - by Provider (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 Dr. Carl Ka-Yee Hsu
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. Carl Ka-Yee Hsu's NPI number?
Dr. Carl Ka-Yee Hsu's NPI number is 1710909726. It was assigned on July 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Carl Ka-Yee Hsu?
Dr. Carl Ka-Yee Hsu is an emergency medicine physician in Garberville, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Carl Ka-Yee Hsu practice?
Dr. Hsu practices at 733 Cedar St, Garberville, CA 95542. Dr. Hsu's primary practice is Jerold Phelps Community Hospital in Garberville, California, part of Sohum Health - Jerold Phelps Community Hospital. Dmand AI also links Dr. Hsu to 1 medical group.
What is Dr. Carl Ka-Yee Hsu's office phone number?
The practice phone on file for Dr. Hsu is (707) 923-3921.
What is Dr. Carl Ka-Yee Hsu's medical license number?
Dr. Hsu holds New York license 1872931.
Which hospitals is Dr. Carl Ka-Yee Hsu affiliated with?
Dr. Hsu practices at Jerold Phelps Community Hospital in Garberville, California.
What medical group is Dr. Carl Ka-Yee Hsu part of?
Dr. Hsu is linked to SoHum Health - Jerold Phelps Community Hospital. Dmand AI links Dr. Hsu to 1 more medical group.
Does Dr. Carl Ka-Yee Hsu accept Medicare?
Yes. CMS data shows Dr. Hsu billed Medicare for 44 services in 2016.
What services does Dr. Carl Ka-Yee Hsu bill to Medicare?
In 2016, Dr. Hsu's most billed Medicare services were emergency department visit (99284) and emergency department visit (99285).
What drugs does Dr. Carl Ka-Yee Hsu prescribe most?
In 2024 Medicare Part D data, Dr. Hsu's most prescribed drugs by claims were Cefdinir, Doxycycline Hyclate and Ibuprofen.
Has Dr. Carl Ka-Yee Hsu received payments from drug or device companies?
CMS Open Payments shows $112 in general payments to Dr. Hsu from 1 company from 2016 to 2016. The largest total came from Allergan Inc.
How long has Dr. Carl Ka-Yee Hsu been practicing?
Dr. Hsu graduated from medical school in 1986, 40 years ago.
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