Kenneth Hsu, M.D.
Rheumatology Physician · Bakersfield, CA
Kenneth Hsu, M.D. is a rheumatology physician with a practice address in Bakersfield, California, and NPI 1053342378, issued on Jul 5, 2006. Check the license (California A50577, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kenneth Hsu
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- A50577 CA
Self-reported in NPPES; status is on the state search - Practice location
- 511 W Columbus St, Bakersfield, CA 93301
- Phone
- (661) 322-2329
- Enumerated
- Jul 5, 2006
- Record last updated
- Mar 15, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (661) 869-2003
- Medicaid ID
- 00A505770 CA
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 926 in California → Look up another NPI →
Verify Kenneth Hsu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A50577Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average rheumatology physician in 2024
19 Medicare Part D claims, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Kenneth Hsu among 926 rheumatology physician records in California
Kenneth Hsu, M.D. is one of 926 rheumatology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 55% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2010 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in California
There are 926 rheumatology physician records in California.
All 926 in California → Every provider in Bakersfield → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Sumeet Bhinder, M.D.Bakersfield, CA 933011881776094
- Leonard Goldberg, M.D.Bakersfield, CA 933011609171933
- Jim Kim, MDBakersfield, CA 933011992762769
- Kyaw Swe, M.DBakersfield, CA 933011366506859
- Charles Boniske, MDVisalia, CA 932911598759615
- Ram Chandra Khatri ChhetriVisalia, CA 932911558983742
- Srikanth Naramala, M.DVisalia, CA 932911437412129
- Daniel Watrous, M.D.Visalia, CA 932911841246568
Common questions
What is Kenneth Hsu, M.D.'s NPI number?
Kenneth Hsu, M.D.'s National Provider Identifier (NPI) is 1053342378, issued on Jul 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kenneth Hsu, M.D. located?
The NPPES record lists a practice address at 511 W Columbus St, Bakersfield, CA, 93301. Phone: (661) 322-2329. Providers update this record themselves, so call before visiting.
How can I verify Kenneth Hsu, M.D.'s license?
NPPES lists California license number A50577, 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 Kenneth Hsu, M.D. prescribe under Medicare Part D?
In 2024, Kenneth Hsu, M.D. had 19 Medicare Part D claims; the average among rheumatology physician prescribers was 1,978. 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.