Wah Wah Chu, MD
Internal Medicine Physician · Palmdale, CA
Wah Wah Chu, MD is an internal medicine physician with a practice address in Palmdale, California, and NPI 1891018719, issued on Mar 5, 2010. Check the license (California A110341, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Wah Wah Chu
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A110341 CA
Self-reported in NPPES; status is on the state search - Practice location
- 38636 Medical Center Dr Ste C, Palmdale, CA 93551
- Phone
- (661) 273-0100
- Enumerated
- Mar 5, 2010
- Record last updated
- Feb 4, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20101105000541); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 38636 Medical Center Dr Ste C
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anna Madorskaya, PA-CPhysician Assistant1023473626
Verify Wah Wah Chu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A110341Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.1 times the Medicare Part D claims of the average internal medicine physician in 2024
9,808 Medicare Part D claims for 539 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Rosuvastatin Calcium722 claims
- Atorvastatin Calcium669 claims
- Sertraline Hcl480 claims
- Amlodipine Besylate468 claims
- Olmesartan Medoxomil436 claims
- Gabapentin432 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
- Sierra Medical Group Holding Company, Inc.Palmdale, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wah Wah Chu among 17,696 internal medicine physician records in California
Wah Wah Chu, MD 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 2010, is newer than 63% of them.
- NPI issued2010 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1985 · median 2004 among the 11,065 with a school on file
- Record last updated2021 · 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).
25 internal medicine physician records list a practice address in Palmdale
They are 25 of the 2,077 NPPES records with a practice address in Palmdale, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Palmdale → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Arsineh Artounian Savarani, DOPalmdale, CA 935511346827326
- Camellia Babaie, M.D.Palmdale, CA 935511902175441
- Joan Chapman, D.O.Palmdale, CA 935511225329733
- Pamela De Silva, MDPalmdale, CA 935511568414548
- Hamza Gohar, D.O.Palmdale, CA 935511215464037
- Sadhana Kamath, M.D.Palmdale, CA 935511316996002
- Taher KatouzianPalmdale, CA 935511902062151
- Yunha KimPalmdale, CA 935511790207579
Common questions
What is Wah Wah Chu, MD's NPI number?
Wah Wah Chu, MD's National Provider Identifier (NPI) is 1891018719, issued on Mar 5, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Wah Wah Chu, MD located?
The NPPES record lists a practice address at 38636 Medical Center Dr Ste C, Palmdale, CA, 93551. Phone: (661) 273-0100. Providers update this record themselves, so call before visiting.
How can I verify Wah Wah Chu, MD's license?
NPPES lists California license number A110341, 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 Wah Wah Chu, MD prescribe under Medicare Part D?
In 2024, Wah Wah Chu, MD had 9,808 Medicare Part D claims for 539 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.