Andrew Mui, M.D.
Internal Medicine Physician · La Palma, CA
Andrew Mui, M.D. is an internal medicine physician with a practice address in La Palma, California, and NPI 1992135826, issued on Nov 13, 2013. Check the license (California G56737, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Andrew Mui
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G56737 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7872 Walker St, La Palma, CA 90623
- Phone
- (714) 527-8777
- Enumerated
- Nov 13, 2013
- Record last updated
- Jul 7, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (714) 527-8990
- Medicare enrollment
- Enrolled (PECOS I20150113001908); accepts Medicare assignment
- Medical or professional school
- Oral Roberts University School Of Medicine, 1984
- 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 7872 Walker St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Joseph Hahn, D.D.SProsthodontics1366846610
- Jamie Hainlen, NPNurse Practitioner1730724741
- Judy Helbon, LCSWClinical Social Worker1942366513
- Chao Hung Kao, MSW, RN, FNP-CNurse Practitioner1629303698
- Caleb KilMedical Physician Assistant1699319848
Verify Andrew Mui in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G56737Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average internal medicine physician in 2024
7,631 Medicare Part D claims for 706 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 78 claims were for opioids.
Most prescribed
- Atorvastatin Calcium734 claims
- Amlodipine Besylate429 claims
- Losartan Potassium334 claims
- Olmesartan Medoxomil295 claims
- Metformin Hcl Er281 claims
- Jardiance247 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.
Industry payments in 2024: $397.41
21 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Joshua International Medical GroupLa Palma, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrew Mui among 17,696 internal medicine physician records in California
Andrew Mui, M.D. 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 2013, is newer than 71% of them.
- NPI issued2013 · 71% of these records are older, 26% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1984 · median 2004 among the 11,065 with a school on file
- Record last updated2016 · 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).
13 internal medicine physician records list a practice address in La Palma
They are 13 of the 593 NPPES records with a practice address in La Palma, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in La Palma → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Xiao-Ying Fang, M.D.La Palma, CA 906231295972842
- Shaheen Iqbal, M.D.La Palma, CA 906231366514499
- Edward Jang, M.D.La Palma, CA 906231790966992
- Jongjin Kim, M.D.La Palma, CA 906231356605836
- Curtis Lee, MDLa Palma, CA 906231467498428
- Mahendra Patel, M.D.La Palma, CA 906231841376738
- Richard Ruth, M.D.La Palma, CA 906231700804986
- Kwan Tan, M.D.La Palma, CA 906231013099746
Common questions
What is Andrew Mui, M.D.'s NPI number?
Andrew Mui, M.D.'s National Provider Identifier (NPI) is 1992135826, issued on Nov 13, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Andrew Mui, M.D. located?
The NPPES record lists a practice address at 7872 Walker St, La Palma, CA, 90623. Phone: (714) 527-8777. Providers update this record themselves, so call before visiting.
How can I verify Andrew Mui, M.D.'s license?
NPPES lists California license number G56737, 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 Andrew Mui, M.D. prescribe under Medicare Part D?
In 2024, Andrew Mui, M.D. had 7,631 Medicare Part D claims for 706 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.