Joseph Sherman Hsiao, MD
Endocrinology, Diabetes & Metabolism Physician · Orange, CA
Joseph Sherman Hsiao, MD is an endocrinology, diabetes & metabolism physician with a practice address in Orange, California, and NPI 1699139287, issued on Apr 8, 2016. Check the license (California A153987, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joseph Sherman Hsiao
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- A153987 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2501 E Chapman Ave Ste 203, Orange, CA 92869
- Phone
- (714) 628-3230
- Enumerated
- Apr 8, 2016
- Record last updated
- Dec 3, 2025
- Medicare enrollment
- Enrolled (PECOS I20210816001981); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 1,131 in California → Look up another NPI →
Also registered at 2501 E Chapman Ave Ste 203
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lawrence CarrilloRegistered Nurse1154080943
Verify Joseph Sherman Hsiao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A153987Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
2,424 Medicare Part D claims for 386 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 54% of claims.
Most prescribed
- Ozempic236 claims
- Levothyroxine Sodium204 claims
- Lantus Solostar140 claims
- Metformin Hcl Er128 claims
- Mounjaro119 claims
- Alendronate Sodium115 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: $409.87
20 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 5,661 providers of this specialty with any payment received $5,742.15 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
- Providence Medical FoundationOrange, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph Sherman Hsiao among 1,131 endocrinology, diabetes & metabolism physician records in California
Joseph Sherman Hsiao, MD is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 86% of them.
- NPI issued2016 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2016 · median 2003 among the 779 with a school on file
- Record last updated2025 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in California
There are 1,131 endocrinology, diabetes & metabolism physician records in California.
All 1,131 in California → Every provider in Orange → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Llanyee Liwanpo, M.D.Orange, CA 928691417171711
- Bogi Andersen, MDOrange, CA 928681164502233
- Yung-In Choi, MDOrange, CA 928681760562854
- Jenny Dai-Ju, M.D.Orange, CA 928681336497775
- Ismail Kasimoglu, MD, PHD, MBAOrange, CA 928681578095774
- Soon Kwon, MDOrange, CA 928681407964448
- Ivy-Joan Madu, M.D.Orange, CA 928681710988662
- Megan McConnell, MDOrange, CA 928681699272211
Common questions
What is Joseph Sherman Hsiao, MD's NPI number?
Joseph Sherman Hsiao, MD's National Provider Identifier (NPI) is 1699139287, issued on Apr 8, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Sherman Hsiao, MD located?
The NPPES record lists a practice address at 2501 E Chapman Ave Ste 203, Orange, CA, 92869. Phone: (714) 628-3230. Providers update this record themselves, so call before visiting.
How can I verify Joseph Sherman Hsiao, MD's license?
NPPES lists California license number A153987, 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 Joseph Sherman Hsiao, MD prescribe under Medicare Part D?
In 2024, Joseph Sherman Hsiao, MD had 2,424 Medicare Part D claims for 386 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.