Leeyen Hsu
Pulmonary Disease Physician · Sherman Oaks, CA
Leeyen Hsu is a pulmonary disease physician with a practice address in Sherman Oaks, California, and NPI 1235541962, issued on May 29, 2014. Check the license (California A140050, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Leeyen Hsu
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- A140050 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4955 Van Nuys Blvd Ste 502, Sherman Oaks, CA 91403
- Phone
- (818) 325-0200
- Enumerated
- May 29, 2014
- Record last updated
- Feb 22, 2023
- Medicare enrollment
- Enrolled (PECOS I20200824001176); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 2014
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 4955 Van Nuys Blvd Ste 502
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amar Charugundla, DOHospitalist Physician1558999789
- Tina Chou, MDPulmonary Disease Physician1508942780
- Jacklynn IbrahimPulmonary Disease Physician1063032662
- Asma Jamil, MDCritical Care Medicine (Internal Medicine) Physician1598206740
- Jigar Kadakia, M.D.Hospitalist Physician1144502618
- Gagandeep Rahi, M.D.Internal Medicine Physician1184948119
Verify Leeyen Hsu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A140050Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
108 Medicare Part D claims for 28 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 45% of claims.
Most prescribed
- Albuterol Sulfate Hfa14 claims
- Breo Ellipta11 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.
Industry payments in 2024: $836.66
28 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 8,806 providers of this specialty with any payment received $5,159.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Mid-Valley Pulmonary Medical Group, Inc.Sherman Oaks, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Pulmonary Disease Physician providers in California
There are 1,443 pulmonary disease physician records in California.
Other pulmonary disease physician records in California
- Manoochehr Abadian Sharifabad, M.D.Fountain Valley, CA1164655817
- Mahmoud Abdallah, DOGarden Grove, CA1871014027
- Mohamad Abdelfattah, MDFullerton, CA1134539711
- Loui Abdelghani, M.DStockton, CA1912161787
- Zainab Abdulsada, MBCHBSacramento, CA1144858333
- John Abe, MDTorrance, CA1578542569
- Moustapha Abidali, DOGlendora, CA1669810123
- Mohammed Abo Khamis, M.D.Modesto, CA1508098419
- Arin Aboulian, MDGlendale, CA1104038256
- Khader Abounasr, MDRancho Cucamonga, CA1780884015
Common questions
What is Leeyen Hsu's NPI number?
Leeyen Hsu's National Provider Identifier (NPI) is 1235541962, issued on May 29, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Leeyen Hsu located?
The NPPES record lists a practice address at 4955 Van Nuys Blvd Ste 502, Sherman Oaks, CA, 91403. Phone: (818) 325-0200. Providers update this record themselves, so call before visiting.
How can I verify Leeyen Hsu's license?
NPPES lists California license number A140050, 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 Leeyen Hsu prescribe under Medicare Part D?
In 2024, Leeyen Hsu had 108 Medicare Part D claims for 28 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. 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.