Johanna Hsin Ying Wu, DO
Family Medicine Physician · Morgan Hill, CA
Johanna Hsin Ying Wu, DO is a family medicine physician with a practice address in Morgan Hill, California, and NPI 1235871963, issued on Apr 12, 2022. Check the license (California 20A21703, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Johanna Hsin Ying Wu
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A21703 CA
Self-reported in NPPES; status is on the state search - Practice location
- 16130 Juan Hernandez Dr Ste 110, Morgan Hill, CA 95037
- Phone
- (408) 720-6680
- Enumerated
- Apr 12, 2022
- Record last updated
- Oct 2, 2025
- Fax
- (408) 720-6684
- Medicare enrollment
- Enrolled (PECOS I20250917003955); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Verify Johanna Hsin Ying Wu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A21703Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average family medicine physician in 2024
460 Medicare Part D claims for 111 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
Most prescribed
- Atorvastatin Calcium37 claims
- Tamsulosin Hcl24 claims
- Gabapentin17 claims
- Albuterol Sulfate Hfa15 claims
- Metformin Hcl15 claims
- Amlodipine Besylate14 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 FoundationLos Gatos, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Johanna Hsin Ying Wu among 17,133 family medicine physician records in California
Johanna Hsin Ying Wu, DO is one of 17,133 family medicine 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 2022, is newer than 94% of them.
- NPI issued2022 · 94% of these records are older, 3% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2022 · median 2005 among the 10,652 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 family medicine physician records list a practice address in Morgan Hill
They are 8 of the 626 NPPES records with a practice address in Morgan Hill, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Morgan Hill → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Oscar Becerra, M.D.Morgan Hill, CA 950371316931439
- Robin Bennett, DOMorgan Hill, CA 950371831523737
- Frank Huang, MDMorgan Hill, CA 950371316964844
- Shiva Mohtashami, M.D.Morgan Hill, CA 950371043566623
- Daniel Morgan, M.D.Morgan Hill, CA 950371023360930
- Thanh-Tam Nguyen, D.O.Morgan Hill, CA 950371902145592
- Ricardo Perez, M.D.Morgan Hill, CA 950371730230830
- Samarth Bhatnagar, DOMilpitas, CA 950351083364905
Common questions
What is Johanna Hsin Ying Wu, DO's NPI number?
Johanna Hsin Ying Wu, DO's National Provider Identifier (NPI) is 1235871963, issued on Apr 12, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Johanna Hsin Ying Wu, DO located?
The NPPES record lists a practice address at 16130 Juan Hernandez Dr Ste 110, Morgan Hill, CA, 95037. Phone: (408) 720-6680. Providers update this record themselves, so call before visiting.
How can I verify Johanna Hsin Ying Wu, DO's license?
NPPES lists California license number 20A21703, 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 Johanna Hsin Ying Wu, DO prescribe under Medicare Part D?
In 2024, Johanna Hsin Ying Wu, DO had 460 Medicare Part D claims for 111 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.