Dr. Diana Hui-Min Hsu, MD
- Part D claims, 2024
- 1,349
- Industry payments
- $134
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 12651 N Lakewood Blvd, Downey, CA 90242
- Practice phone
- Call (562) 861-3111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Imperial Family Medical Group, a Professional Corp
Downey, California
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. Diana Hui-Min Hsu is an internist in Downey, California
Dr. Hsu practices at Imperial Family Medical Group, a Professional Corp in Downey, California.
Dr. Hsu's NPI, 1720090137, was assigned on August 13, 2006. Dr. Hsu holds California license A62369.
- NPI
- 1720090137NPI Registry (opens in a new tab)
- NPI enumeration date
- August 13, 2006
- NPI status
- Active
- Practice phone
- (562) 861-3111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Diana Hui-Min Hsu practices at Imperial Family Medical Group, a Professional Corp in Downey, California
Dr. Hsu's primary practice is Imperial Family Medical Group, a Professional Corp, at 12651 N Lakewood Blvd, Downey, CA 90242 in Los Angeles County. The practice phone is (562) 861-3111.
- Imperial Family Medical Group, a Professional Corp12651 N Lakewood Blvd, Downey, CA 90242 · Los Angeles CountyPhone(562) 861-3111
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Diana Hui-Min Hsu is affiliated with 2 sites of care and 1 medical group
Dr. Hsu's primary practice is Imperial Family Medical Group, a Professional Corp in Downey, California. The medical group on file is Imperial Family Medical Group. Dmand AI also links Dr. Hsu to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Diana Hui-Min 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 |
|---|---|
| Imperial Family Medical Group, a Professional Corp | 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. Diana Hui-Min Hsu is one of 16,751 internists in California
Internal medicine is Dr. Hsu's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Hsu is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Hsu
Counts of internists 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. Diana Hui-Min Hsu's patients have a median age of 55
Across all payers, Dmand AI patient panel data puts Dr. Hsu's median patient age at 55, with 70% 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 55
Patient panel by sex, all payers
- Women70%
- Men29%
Source: Dmand AI Patient Panel Data
Dr. Diana Hui-Min Hsu wrote 1,349 Medicare Part D claims in 2024
In 2024, Dr. Hsu wrote 1,349 Medicare Part D claims for 192 patients. 90% of them were for generic drugs. CMS names the drug for 1,061 of them, across 26 drugs with 11 or more claims each, at $29,581 in total drug cost. In 2023, CMS named 1,065 claims across 31 drugs.
Dr. Hsu's Part D claims by kind of drug, 2024
- Generic1,213 claims90%
- Brand-name110 claims8%
- Other26 claims2%
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
- Antibiotics1%20 of 1,349 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: 1,0652024: 1,061No change
Drugs named by CMS: 26 in 2024, 31 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. Diana Hui-Min Hsu received $134 in industry payments from 2018 to 2025
CMS Open Payments shows 6 general payments to Dr. Hsu from 4 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $61.
General payments to Dr. Hsu by program year, 2018 to 2025
Companies that paid Dr. Hsu the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Diana Hui-Min 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| 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. Diana Hui-Min 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. Diana Hui-Min Hsu's NPI number?
Dr. Diana Hui-Min Hsu's NPI number is 1720090137. It was assigned on August 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Diana Hui-Min Hsu?
Dr. Diana Hui-Min Hsu is an internist in Downey, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Diana Hui-Min Hsu practice?
Dr. Hsu practices at 12651 N Lakewood Blvd, Downey, CA 90242. Dr. Hsu's primary practice is Imperial Family Medical Group, a Professional Corp in Downey, California. Dmand AI also links Dr. Hsu to 1 group practice or clinic.
What is Dr. Diana Hui-Min Hsu's office phone number?
The practice phone on file for Dr. Hsu is (562) 861-3111.
What is Dr. Diana Hui-Min Hsu's medical license number?
Dr. Hsu holds California license A62369.
What medical group is Dr. Diana Hui-Min Hsu part of?
Dr. Hsu is linked to Imperial Family Medical Group.
What drugs does Dr. Diana Hui-Min Hsu prescribe most?
In 2024 Medicare Part D data, Dr. Hsu's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Atenolol.
Has Dr. Diana Hui-Min Hsu received payments from drug or device companies?
CMS Open Payments shows $134 in general payments to Dr. Hsu from 4 companies from 2018 to 2025. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Dr. Diana Hui-Min Hsu been practicing?
Dr. Hsu's NPI was assigned in 2006.
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