David William Hsu, M.D.
Otolaryngology Physician · Riverside, CA
David William Hsu, M.D. is an otolaryngology physician with a practice address in Riverside, California, and NPI 1396005740, issued on May 19, 2012. Check the license (California A145953, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David William Hsu
- Credential
- M.D.
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- A145953 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10800 Magnolia Ave, Riverside, CA 92505
- Phone
- (951) 353-7003
- Enumerated
- May 19, 2012
- Record last updated
- Oct 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170530000419); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 1,212 in California → Look up another NPI →
Also registered at 10800 Magnolia Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kimberly Adams, PA-CMedical Physician Assistant1053522870
- Alfredo Aguiar, PAPhysician Assistant1043368970
- Michael Aguinaldo, M.D.Pediatrics Physician1851531487
- Maria Aguirre, MDPediatrics Physician1295806255
Verify David William Hsu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A145953Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% more Medicare Part D claims than the average otolaryngology physician in 2024
871 Medicare Part D claims for 226 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 43 claims were for opioids.
Most prescribed
- Azelastine Hcl197 claims
- Ipratropium Bromide126 claims
- Omeprazole96 claims
- Prednisone85 claims
- Amoxicillin-Clavulanate Potass49 claims
- Xhance48 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupRiverside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David William Hsu among 1,212 otolaryngology physician records in California
David William Hsu, M.D. is one of 1,212 otolaryngology physician records with a practice address in California. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 74% of them.
- NPI issued2012 · 74% of these records are older, 23% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2012 · median 2004 among the 818 with a school on file
- Record last updated2021 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in California
There are 1,212 otolaryngology physician records in California.
All 1,212 in California → Every provider in Riverside → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Sherif Ammar, M.D.Riverside, CA 925051497746598
- Dae Joo, M.D.Riverside, CA 925051164757076
- Murtaza Kharodawala, MDRiverside, CA 925051558565127
- Jack Liu, MDRiverside, CA 925051558518258
- Brian Boynton, M.D.Riverside, CA 925061710155452
- Jaibir Pannu, MDRiverside, CA 925061396372470
- Jessica Tang, MDRiverside, CA 925061033630892
- Timothy Jung, M.D., PHDRiverside, CA 925031497717813
Common questions
What is David William Hsu, M.D.'s NPI number?
David William Hsu, M.D.'s National Provider Identifier (NPI) is 1396005740, issued on May 19, 2012. An NPI identifies a provider in billing; it is not a license.
Where is David William Hsu, M.D. located?
The NPPES record lists a practice address at 10800 Magnolia Ave, Riverside, CA, 92505. Phone: (951) 353-7003. Providers update this record themselves, so call before visiting.
How can I verify David William Hsu, M.D.'s license?
NPPES lists California license number A145953, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David William Hsu, M.D. prescribe under Medicare Part D?
In 2024, David William Hsu, M.D. had 871 Medicare Part D claims for 226 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.