Dr. Daniel T. Hsu, DO
- Part D claims, 2017
- 54
- Hospital affiliations
- 1
- Industry payments
- $291
- Medical group
- 1
- State license
- 1
- Practice address
- 39400 Paseo Padre Pkwy, Fremont, CA 94538
- Practice phone
- Call (510) 784-4000
- 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. Daniel T. Hsu is an internist in Richmond, California
Dr. Hsu practices at Fremont Medical Center in Fremont, California, part of Kaiser Permanente.
Dr. Hsu's NPI, 1700961471, was assigned on October 25, 2006. Dr. Hsu graduated from WesternU College of Osteopathic Medicine of the Pacific in 1992. Dr. Hsu holds California license 20A7386.
- NPI
- 1700961471NPI Registry (opens in a new tab)
- NPI enumeration date
- October 25, 2006
- NPI status
- Active
- Practice phone
- (510) 784-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Daniel T. Hsu practices in Fremont and Richmond
Dr. Hsu's primary practice is Fremont Medical Center, at 39400 Paseo Padre Pkwy, Fremont, CA 94538 in Alameda County. The practice phone is (510) 784-4000. The NPI Registry lists Dr. Hsu's practice address as 901 Nevin Ave, Richmond, CA 94801.
- Fremont Medical CenterPrimary39400 Paseo Padre Pkwy, Fremont, CA 94538 · Alameda CountyPhone(510) 784-4000
- NPI Registry address901 Nevin Ave, Richmond, CA 94801 · Contra Costa CountyPhone(510) 795-3000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Daniel T. Hsu is affiliated with 1 site of care and 1 medical group
Dr. Hsu's primary practice is Fremont Medical Center in Fremont, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Daniel T. 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 |
|---|---|
| Fremont Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Daniel T. 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 board certified in family practice and osteopathic manipulative medicine by the AOA Board of Family Physicians. 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. Daniel T. 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 43% 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
- Women43%
- Men57%
Source: Dmand AI Patient Panel Data
Dr. Daniel T. Hsu wrote 54 Medicare Part D claims in 2017
In 2017, Dr. Hsu wrote 54 Medicare Part D claims. They cover 3 drugs, with $714 in total drug cost. In 2016, CMS named 41 claims across 2 drugs.
Dr. Hsu's most prescribed drugs by claims, 2017
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 412017: 5432%
Drugs named by CMS: 3 in 2017, 2 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Daniel T. Hsu received $291 in industry payments from 2024 to 2025
CMS Open Payments shows 3 general payments to Dr. Hsu from 2 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Penumbra, Inc. paid the most, $276.
General payments to Dr. Hsu by program year, 2024 to 2025
Companies that paid Dr. Hsu the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Daniel T. Hsu graduated from WesternU College of Osteopathic Medicine of the Pacific
Dr. Hsu graduated from WesternU College of Osteopathic Medicine of the Pacific in 1992.
- Medical school
- Board certified in family practice and osteopathic manipulative medicine
- Board certified in 1999 - 2026
Source: Dmand AI Professional Profile Data
Sources for Dr. Daniel T. 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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand 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) |
| 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. Daniel T. 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. Daniel T. Hsu's NPI number?
Dr. Daniel T. Hsu's NPI number is 1700961471. It was assigned on October 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Daniel T. Hsu?
Dr. Daniel T. Hsu is an internist in Richmond, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Daniel T. Hsu practice?
Dr. Hsu practices at 39400 Paseo Padre Pkwy, Fremont, CA 94538. Dr. Hsu also practices at 901 Nevin Ave, Richmond, CA 94801. Dr. Hsu's primary practice is Fremont Medical Center in Fremont, California, part of Kaiser Permanente.
What is Dr. Daniel T. Hsu's office phone number?
The practice phone on file for Dr. Hsu is (510) 784-4000.
What is Dr. Daniel T. Hsu's medical license number?
Dr. Hsu holds California license 20A7386.
Which hospitals is Dr. Daniel T. Hsu affiliated with?
Dr. Hsu practices at Fremont Medical Center in Fremont, California.
What medical group is Dr. Daniel T. Hsu part of?
Dr. Hsu is linked to The Permanente Medical Group, Inc.
Is Dr. Daniel T. Hsu board certified?
Yes. Dr. Hsu is board certified in family practice and osteopathic manipulative medicine by the AOA Board of Family Physicians.
Where did Dr. Daniel T. Hsu go to medical school?
Dr. Hsu graduated from WesternU College of Osteopathic Medicine of the Pacific in 1992.
What drugs does Dr. Daniel T. Hsu prescribe most?
In 2017 Medicare Part D data, Dr. Hsu's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass, Hydrocodone-Acetaminophen and Ibuprofen.
Has Dr. Daniel T. Hsu received payments from drug or device companies?
CMS Open Payments shows $291 in general payments to Dr. Hsu from 2 companies from 2024 to 2025. The largest total came from Penumbra, Inc.
How long has Dr. Daniel T. Hsu been practicing?
Dr. Hsu graduated from medical school in 1992, 34 years ago.
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