Andrew Steven Chan, MD
Geriatric Medicine (Internal Medicine) Physician · Los Angeles, CA
Andrew Steven Chan, MD is a geriatric medicine (internal medicine) physician with a practice address in Los Angeles, California, and NPI 1104975507, issued on Jan 9, 2007. Check the license (California G57859, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Andrew Steven Chan
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- G57859 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1701 E Cesar E Chavez Ave, Los Angeles, CA 90033
- Phone
- (323) 226-1100
- Enumerated
- Jan 9, 2007
- Record last updated
- Jan 11, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (323) 226-1101
- Medicare enrollment
- Enrolled (PECOS I20100826000163); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 1985
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 532 in California → Look up another NPI →
Also registered at 1701 E Cesar E Chavez Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kaosar Al Atassi, M.D.Pediatrics Physician1780020578
- William Barba, M.D.Urology Physician1225053291
- Juan Barrio, M.D.Internal Medicine Physician1467475608
- Hadia BharoochaSurgery Physician1407600562
Verify Andrew Steven Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G57859Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
225 Medicare Part D claims for 18 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims. 23 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen18 claims
- Amlodipine Besylate15 claims
- Fluticasone-Salmeterol15 claims
- Simbrinza14 claims
- Losartan Potassium11 claims
- Lumigan11 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: $20.82
1 payment: food and beverage; the largest payer was Kestra Medical Technology Services, Inc. The 1,004 providers of this specialty with any payment received $1,720.82 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
- Family Care Specialists Medical CorporationLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrew Steven Chan among 532 geriatric medicine (internal medicine) physician records in California
Andrew Steven Chan, MD is one of 532 geriatric medicine (internal medicine) physician records with a practice address in California. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 54% of them.
- NPI issued2007 · 54% of these records are older, 34% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated1985 · median 1999 among the 271 with a school on file
- Record last updated2018 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in California
There are 532 geriatric medicine (internal medicine) physician records in California.
All 532 in California → Every provider in Los Angeles → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Azmy Ghaly, MEDICAL DOCTORLos Angeles, CA 900331194899336
- Dohwa Kim, M.D.Los Angeles, CA 900331528083557
- Caitlyn Kuwata, M.D.Los Angeles, CA 900331093167611
- Francisco Quijas, MEDICAL DOCTORLos Angeles, CA 900331659445823
- Gregory Wong, MDLos Angeles, CA 900331336294875
- Casey Yamashita, MDLos Angeles, CA 900331316392673
- Michelle Eslami, MDLos Angeles, CA 900361689627143
- Robert Wang, PHD MDLos Angeles, CA 900361235293648
Common questions
What is Andrew Steven Chan, MD's NPI number?
Andrew Steven Chan, MD's National Provider Identifier (NPI) is 1104975507, issued on Jan 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Andrew Steven Chan, MD located?
The NPPES record lists a practice address at 1701 E Cesar E Chavez Ave, Los Angeles, CA, 90033. Phone: (323) 226-1100. Providers update this record themselves, so call before visiting.
How can I verify Andrew Steven Chan, MD's license?
NPPES lists California license number G57859, 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 Steven Chan, MD prescribe under Medicare Part D?
In 2024, Andrew Steven Chan, MD had 225 Medicare Part D claims for 18 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.