Feeiwen Amy Hsiao, M.D.
Hospitalist Physician · Berkeley, CA
Feeiwen Amy Hsiao, M.D. is a hospitalist physician with a practice address in Berkeley, California, and NPI 1124180302, issued on Dec 14, 2006. Check the license (California A68942, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Feeiwen Amy Hsiao
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- A68942 CA
A068942 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2450 Ashby Ave RM 5505, Berkeley, CA 94705
- Phone
- (510) 204-4444
- Enumerated
- Dec 14, 2006
- Record last updated
- Jul 21, 2022
- Fax
- (510) 649-8287
- Medicare enrollment
- Enrolled (PECOS I20060303000305); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 1997
- Entity
- Type 1 · individual
Also registered at 2450 Ashby Ave RM 5505
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tamika Bailey, MDHospitalist Physician1487972550
- Lisa Chandler, MDInternal Medicine Physician1720376395
- Cecilia Hernandez, MDHospitalist Physician1851493688
- Gerard Jenkins, M.D.Hospitalist Physician1154648285
- Michael Labarbera, MD, PHD, MPHHospitalist Physician1548722796
- Kevin Lin, M.D.Hospitalist Physician1225328107
Verify Feeiwen Amy Hsiao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A68942Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average hospitalist physician in 2024
105 Medicare Part D claims for 40 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone12 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
- Sutter Bay Medical FoundationBerkeley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hospitalist Physician providers in California
There are 3,099 hospitalist physician records in California.
Other hospitalist physician records in California
- Zina Abbas, M.D.Chula Vista, CA1962799189
- Abdul Abdali, M.D.French Camp, CA1104319771
- Michael Abdel-Malek, MDDublin, CA1952388852
- Amr Abdelaty, MDWoodland, CA1962996348
- Anwar Abdelhadi, M.D.Orange, CA1093784191
- Farid Abdelmalak, M.D.Santa Monica, CA1912392937
- Elijah AbdelmeseehLong Beach, CA1346827631
- Homayoun Abdollahzadeh, M.D.Rancho Mirage, CA1871802454
- Wajidah Abdul-KhabirDuarte, CA1215323522
- Rizwana Abdullah, MDRoseville, CA1194899401
Common questions
What is Feeiwen Amy Hsiao, M.D.'s NPI number?
Feeiwen Amy Hsiao, M.D.'s National Provider Identifier (NPI) is 1124180302, issued on Dec 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Feeiwen Amy Hsiao, M.D. located?
The NPPES record lists a practice address at 2450 Ashby Ave RM 5505, Berkeley, CA, 94705. Phone: (510) 204-4444. Providers update this record themselves, so call before visiting.
How can I verify Feeiwen Amy Hsiao, M.D.'s license?
NPPES lists California license number A68942, 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 Feeiwen Amy Hsiao, M.D. prescribe under Medicare Part D?
In 2024, Feeiwen Amy Hsiao, M.D. had 105 Medicare Part D claims for 40 beneficiaries; the average among hospitalist physician prescribers was 521. 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.