Steven J. Hsu, M.D.
Physical Medicine & Rehabilitation Physician · Pasadena, CA
Steven J. Hsu, M.D. is a physical medicine & rehabilitation physician with a practice address in Pasadena, California, and NPI 1144547696, issued on Apr 23, 2010. Check the license (California A120101, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Steven J. Hsu
- Credential
- M.D.
- Primary taxonomy
- Physical Medicine & Rehabilitation Physician 208100000X
- License numbers
- A120101 CA
PENDING... CA
Self-reported in NPPES; status is on the state search - Practice location
- 100 W California Blvd, Pasadena, CA 91105
- Phone
- (626) 352-1444
- Enumerated
- Apr 23, 2010
- Record last updated
- Jul 8, 2025
- Medicare enrollment
- Enrolled (PECOS I20141003001730); accepts Medicare assignment
- Medical or professional school
- Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 2010
- Entity
- Type 1 · individual
8 nearest physical medicine & rehabilitation physician records → All 1,549 in California → Look up another NPI →
Also registered at 100 W California Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Devan Abhari, MDStudent in an Organized Health Care Education/Training Program1922849041
- Lina Acopians, DOHospitalist Physician1548821523
- Daniel Adran, MDNeuroradiology Physician1518456441
- Alipasha Adrangui, M.D.Hospitalist Physician1780911263
- Vahe Aghajanyan, M.D.Student in an Organized Health Care Education/Training Program1447047238
- Ignacio Aguilar, RNFARegistered Nurse First Assistant1497583603
Verify Steven J. Hsu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A120101Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% fewer Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024
552 Medicare Part D claims for 113 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. 46 claims were for opioids.
Most prescribed
- Atorvastatin Calcium41 claims
- Eliquis32 claims
- Gabapentin29 claims
- Amlodipine Besylate25 claims
- Hydrocodone-Acetaminophen21 claims
- Carvedilol20 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 80.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $20.43
1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 3,895 providers of this specialty with any payment received $1,237.86 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 2 group practices
- Cedars-Sinai Medical Care FoundationPasadena, CA
- The Huntington Medical FoundationPasadena, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven J. Hsu among 1,549 physical medicine & rehabilitation physician records in California
Steven J. Hsu, M.D. is one of 1,549 physical medicine & rehabilitation physician records with a practice address in California. 59% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 47% of them.
- NPI issued2010 · 47% of these records are older, 50% newer
- In a Medicare fileYes · 59% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated2010 · median 2008 among the 786 with a school on file
- Record last updated2025 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208100000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Physical Medicine & Rehabilitation Physician providers in California
There are 1,549 physical medicine & rehabilitation physician records in California.
All 1,549 in California → Every provider in Pasadena → Physical Medicine & Rehabilitation Physician nationwide →
The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes
- Akash Bhakta, D.O.Pasadena, CA 911051639525074
- Sunil Hegde, M.D.Pasadena, CA 911051003811340
- Jonathan Layne, MDPasadena, CA 911051942940333
- Mary Mioux Berry, DOPasadena, CA 911051023014750
- Naveed Natanzi, DOPasadena, CA 911051184068926
- Maria Sulindro, M.D.Pasadena, CA 911051598705733
- Paul Yang, M.DPasadena, CA 911051750732657
- Mauro Zappaterra, MD, PHDPasadena, CA 911051013233576
Common questions
What is Steven J. Hsu, M.D.'s NPI number?
Steven J. Hsu, M.D.'s National Provider Identifier (NPI) is 1144547696, issued on Apr 23, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Steven J. Hsu, M.D. located?
The NPPES record lists a practice address at 100 W California Blvd, Pasadena, CA, 91105. Phone: (626) 352-1444. Providers update this record themselves, so call before visiting.
How can I verify Steven J. Hsu, M.D.'s license?
NPPES lists California license number A120101, 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 Steven J. Hsu, M.D. prescribe under Medicare Part D?
In 2024, Steven J. Hsu, M.D. had 552 Medicare Part D claims for 113 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. Part D covers Medicare prescriptions only.
What is Steven J. Hsu, M.D.'s MIPS final score?
The 2023 MIPS final score is 80.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.