Randall Chan, MD
Internal Medicine Physician · Monterey Park, CA
Randall Chan, MD is an internal medicine physician with a practice address in Monterey Park, California, and NPI 1265969273, issued on May 22, 2017. Check the license (California A170949, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Randall Chan
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A170949 CA
Self-reported in NPPES; status is on the state search - Practice location
- 525 N Garfield Ave, Monterey Park, CA 91754
- Phone
- (626) 573-2222
- Enumerated
- May 22, 2017
- Entity
- Type 1 · individual
Also registered at 525 N Garfield Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alex Alexani, CRT, RCP, AOSCertified Respiratory Therapist1396267936
- Htoo Htoo Aung, MDInternal Medicine Physician1942615075
- Connie Chan, D.O.Emergency Medicine Physician1639105745
- Adeline ChiangCritical Care Medicine Registered Nurse1922942531
- Cynthia Chinn, MDAnesthesiology Physician1427355981
- Renee Chong, P.A.Physician Assistant1629014873
Verify Randall Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A170949Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
86% fewer Medicare Part D claims than the average internal medicine physician in 2024
376 Medicare Part D claims for 70 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Atorvastatin Calcium39 claims
- Amlodipine Besylate25 claims
- Albuterol Sulfate Hfa19 claims
- Diclofenac Sodium14 claims
- Losartan Potassium13 claims
- Furosemide12 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.
35 internal medicine physician records list a Monterey Park practice address
They are 35 of the 948 NPPES records with a Monterey Park practice address, and 20,403 internal medicine physician records in California.
All 35 in Monterey Park → All 20,403 in California → Every provider in Monterey Park →
Other internal medicine physician records in California
- Jacob Aaron, MDSan Francisco, CA1407202518
- Alistair Aaronson, MDStanford, CA1457628760
- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Randall Chan, MD's NPI number?
Randall Chan, MD's National Provider Identifier (NPI) is 1265969273, issued on May 22, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Randall Chan, MD located?
The NPPES record lists a practice address at 525 N Garfield Ave, Monterey Park, CA, 91754. Phone: (626) 573-2222. Providers update this record themselves, so call before visiting.
How can I verify Randall Chan, MD's license?
NPPES lists California license number A170949, 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 Randall Chan, MD prescribe under Medicare Part D?
In 2024, Randall Chan, MD had 376 Medicare Part D claims for 70 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.