Chih-Hsin Hsu, M.D.
Allergy & Immunology Physician · Oakland, CA
Chih-Hsin Hsu, M.D. is an allergy & immunology physician with a practice address in Oakland, California, and NPI 1629480389, issued on May 28, 2014. Check the license (California A168564, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Chih-Hsin Hsu
- Credential
- M.D.
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License numbers
- A168564 CA
R3683 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3801 Howe St, Oakland, CA 94611
- Phone
- (646) 250-6234
- Enumerated
- May 28, 2014
- Record last updated
- Dec 8, 2024
- Medicare enrollment
- Enrolled (PECOS I20240802001748); accepts Medicare assignment
- Medical or professional school
- Geisel School Of Medicine At Dartmouth, 2014
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 444 in California → Look up another NPI →
Also registered at 3801 Howe St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Paula BaesslerPharmacist1407380520
- Deempal Bhatt, PHARM.DPharmacist1417393828
- Christopher Canlas, DOFamily Medicine Physician1477291615
- Runyu Chen, PHARM DAmbulatory Care Pharmacist1902213952
- Chi ChiangPharmacist1083149561
- Clara Chu, M.D.Family Medicine Physician1659798874
Verify Chih-Hsin Hsu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A168564Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average allergy & immunology physician in 2024
33 Medicare Part D claims for 23 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D.
Most prescribed
- Azelastine Hcl14 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
- Permanente Medical Group IncOakland, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chih-Hsin Hsu among 444 allergy & immunology physician records in California
Chih-Hsin Hsu, M.D. is one of 444 allergy & immunology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 83% of them.
- NPI issued2014 · 83% of these records are older, 15% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2014 · median 2004 among the 281 with a school on file
- Record last updated2024 · 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 207K00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in California
There are 444 allergy & immunology physician records in California.
All 444 in California → Every provider in Oakland → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Jimmy Ko, MDOakland, CA 946111780624791
- Debby Lin, MDOakland, CA 946111952340325
- Kathleen Clanon, MDOakland, CA 946021386654945
- Eric Chen, MDWalnut Creek, CA 945981558440222
- David Cook, MDWalnut Creek, CA 945981740282425
- David Fan, MDWalnut Creek, CA 945981619596152
- Karna Gendo, M.D.Walnut Creek, CA 945981720164536
- Ilisten Jones, M.D., M.P.H.Walnut Creek, CA 945981407148943
Common questions
What is Chih-Hsin Hsu, M.D.'s NPI number?
Chih-Hsin Hsu, M.D.'s National Provider Identifier (NPI) is 1629480389, issued on May 28, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Chih-Hsin Hsu, M.D. located?
The NPPES record lists a practice address at 3801 Howe St, Oakland, CA, 94611. Phone: (646) 250-6234. Providers update this record themselves, so call before visiting.
How can I verify Chih-Hsin Hsu, M.D.'s license?
NPPES lists California license number A168564, 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 Chih-Hsin Hsu, M.D. prescribe under Medicare Part D?
In 2024, Chih-Hsin Hsu, M.D. had 33 Medicare Part D claims for 23 beneficiaries; the average among allergy & immunology physician prescribers was 741. 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.