Dr. John C. Hsu, MD
- Part D claims, 2024
- 5,317
- Hospital affiliations
- 1
- Industry payments
- $671
- Medical group
- 1
- State license
- 1
- Practice address
- 25825 South Vermont Avenue, Harbor City, CA 90710
- Practice phone
- Call (310) 325-5111
- 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. John C. Hsu is a family medicine physician in Harbor City, California
Dr. Hsu practices at Kaiser Permanente South Bay Medical Center in Harbor City, California, part of Kaiser Permanente.
Dr. Hsu's NPI, 1649339300, was assigned on December 8, 2006. Dr. Hsu graduated from Boston University School of Medicine in 1994. Dr. Hsu holds California license A55731.
- NPI
- 1649339300NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1759576200
- NPI enumeration date
- December 8, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (310) 325-5111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John C. Hsu practices at Kaiser Permanente South Bay Medical Center in Harbor City, California
Dr. Hsu's primary practice is Kaiser Permanente South Bay Medical Center, at 25825 South Vermont Avenue, Harbor City, CA 90710 in Los Angeles County. The practice phone is (310) 325-5111.
- Kaiser Permanente South Bay Medical Center25825 South Vermont Avenue, Harbor City, CA 90710 · Los Angeles CountyPhone(310) 325-5111
Source: Dmand AI Affiliation Data
Dr. John C. Hsu is affiliated with 1 site of care and 1 medical group
Dr. Hsu's primary practice is Kaiser Permanente South Bay Medical Center in Harbor City, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John C. 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 |
|---|---|
| Kaiser Permanente South Bay Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John C. Hsu is one of 15,680 family medicine physicians in California
Family medicine is Dr. Hsu's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Hsu is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Family medicine physicians near Dr. Hsu
Counts of family 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. John C. Hsu's patients have a median age of 54
Across all payers, Dmand AI patient panel data puts Dr. Hsu's median patient age at 54, with 58% 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 54
Patient panel by sex, all payers
- Women58%
- Men42%
Source: Dmand AI Patient Panel Data
Dr. John C. Hsu wrote 5,317 Medicare Part D claims in 2024
In 2024, Dr. Hsu wrote 5,317 Medicare Part D claims for 929 patients. 91% of them were for generic drugs. CMS names the drug for 4,831 of them, across 78 drugs with 11 or more claims each, at $147,751 in total drug cost. In 2023, CMS named 5,230 claims across 72 drugs.
Dr. Hsu's Part D claims by kind of drug, 2024
- Generic4,844 claims91%
- Brand-name413 claims8%
- Other60 claims1%
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
- Opioids0%26 of 5,317 claims
- Antibiotics1%59 of 5,317 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: 5,2302024: 4,8318%
Drugs named by CMS: 78 in 2024, 72 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
Dr. John C. Hsu offers telehealth to Medicare patients
Dr. Hsu accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Hsu as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. John C. Hsu received $671 in industry payments from 2021 to 2024
CMS Open Payments shows 3 general payments to Dr. Hsu from 3 drug and device companies from 2021 to 2024. Consulting fees make up the largest share, 93% of the total. Medtronic, Inc. paid the most, $623.
General payments to Dr. Hsu by program year, 2021 to 2024
General payments to Dr. Hsu by kind, 2021 to 2024
- Consulting fees$62393%
- Food and beverage$487%
Companies that paid Dr. Hsu the most, 2021 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John C. Hsu graduated from Boston University School of Medicine
Dr. Hsu graduated from Boston University School of Medicine in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John C. 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 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) |
| 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 |
| 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 C. 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. John C. Hsu's NPI number?
Dr. John C. Hsu's NPI number is 1649339300. It was assigned on December 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John C. Hsu?
Dr. John C. Hsu is a family medicine physician in Harbor City, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. John C. Hsu practice?
Dr. Hsu practices at 25825 South Vermont Avenue, Harbor City, CA 90710. Dr. Hsu's primary practice is Kaiser Permanente South Bay Medical Center in Harbor City, California, part of Kaiser Permanente.
What is Dr. John C. Hsu's office phone number?
The practice phone on file for Dr. Hsu is (310) 325-5111.
What is Dr. John C. Hsu's medical license number?
Dr. Hsu holds California license A55731.
Which hospitals is Dr. John C. Hsu affiliated with?
Dr. Hsu practices at Kaiser Permanente South Bay Medical Center in Harbor City, California.
What medical group is Dr. John C. Hsu part of?
Dr. Hsu is linked to Southern California Permanente Medical Group.
Does Dr. John C. Hsu accept Medicare?
Yes. CMS lists Dr. Hsu as accepting Medicare assignment.
Does Dr. John C. Hsu offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Hsu as offering telehealth services.
Where did Dr. John C. Hsu go to medical school?
Dr. Hsu graduated from Boston University School of Medicine in 1994.
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What drugs does Dr. John C. Hsu prescribe most?
In 2024 Medicare Part D data, Dr. Hsu's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
Has Dr. John C. Hsu received payments from drug or device companies?
CMS Open Payments shows $671 in general payments to Dr. Hsu from 3 companies from 2021 to 2024. The largest total came from Medtronic, Inc.
How long has Dr. John C. Hsu been practicing?
Dr. Hsu graduated from medical school in 1994, 32 years ago.
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