Jonathan Keith Wu, DO
Internal Medicine Physician · Alhambra, CA
Jonathan Keith Wu, DO is an internal medicine physician with a practice address in Alhambra, California, and NPI 1558922245, issued on Jun 24, 2019. Check the license (California 20293, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jonathan Keith Wu
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20293 CA
Self-reported in NPPES; status is on the state search - Practice location
- 55 S Raymond Ave Ste 200, Alhambra, CA 91801
- Phone
- (626) 570-8005
- Enumerated
- Jun 24, 2019
- Record last updated
- Jan 15, 2026
- Fax
- (626) 570-5638
- Medicare enrollment
- Enrolled (PECOS I20221216001020); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 55 S Raymond Ave Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joyce Chang, M.D.Internal Medicine Physician1952357600
- Nalo Hamilton, NURSE PRACTIONERAdult Health Nurse Practitioner1831229194
- Wendy Lau, MDFamily Medicine Physician1205363603
- Holly Liu, NPFamily Nurse Practitioner1558813154
- Mari Kristine Pasicolan, FNPFamily Nurse Practitioner1912546821
- Peter Yang, MDFamily Medicine Physician1174183230
Verify Jonathan Keith Wu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20293Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,202 Medicare Part D claims for 424 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 17 claims were for opioids.
Most prescribed
- Atorvastatin Calcium112 claims
- Amlodipine Besylate100 claims
- Losartan Potassium84 claims
- Diclofenac Sodium73 claims
- Pantoprazole Sodium67 claims
- Metformin Hcl57 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
- Healthcare Partners Affiliates Medical GroupAnaheim, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jonathan Keith Wu among 17,696 internal medicine physician records in California
Jonathan Keith Wu, DO is one of 17,696 internal medicine 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 2019, is newer than 86% of them.
- NPI issued2019 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2019 · median 2004 among the 11,065 with a school on file
- Record last updated2026 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
41 internal medicine physician records list a practice address in Alhambra
They are 41 of the 1,802 NPPES records with a practice address in Alhambra, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Alhambra → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Robert Chan, MDAlhambra, CA 918011508826488
- Alexander Chan, MDAlhambra, CA 918011467413666
- Joyce Chang, M.D.Alhambra, CA 918011952357600
- Max Chiou, MDAlhambra, CA 918011316963051
- Jin Hong, M.D.Alhambra, CA 918011972516441
- Thein Htay, M.D.Alhambra, CA 918011861594228
- Nu Khin, M.D.Alhambra, CA 918011881655199
- Eddie Lam, M.D.Alhambra, CA 918011518969971
Common questions
What is Jonathan Keith Wu, DO's NPI number?
Jonathan Keith Wu, DO's National Provider Identifier (NPI) is 1558922245, issued on Jun 24, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Keith Wu, DO located?
The NPPES record lists a practice address at 55 S Raymond Ave Ste 200, Alhambra, CA, 91801. Phone: (626) 570-8005. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Keith Wu, DO's license?
NPPES lists California license number 20293, 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 Jonathan Keith Wu, DO prescribe under Medicare Part D?
In 2024, Jonathan Keith Wu, DO had 2,202 Medicare Part D claims for 424 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.