Joann Chan, PA
Physician Assistant · Los Angeles, CA
Joann Chan, PA is a physician assistant with a practice address in Los Angeles, California, and NPI 1912298217, issued on Apr 21, 2011. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joann Chan
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 4070 E Olympic Blvd, Los Angeles, CA 90023
- Phone
- (323) 685-2070
- Enumerated
- Apr 21, 2011
- Record last updated
- Dec 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (323) 685-2077
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 4070 E Olympic Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Emmeline Chan, M.DInternal Medicine Physician1841636784
Verify Joann Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average physician assistant in 2024
275 Medicare Part D claims for 25 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium24 claims
- Losartan Potassium23 claims
- Metformin Hcl19 claims
- Amlodipine Besylate15 claims
- Famotidine14 claims
- Montelukast Sodium13 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.
Joann Chan among 14,451 physician assistant records in California
Joann Chan, PA is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 30% of them.
- NPI issued2011 · 30% of these records are older, 67% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2021 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
935 physician assistant records list a practice address in Los Angeles
They are 935 of the 69,537 NPPES records with a practice address in Los Angeles, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Los Angeles → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Juan Alvarado, P.A.Los Angeles, CA 900231780771659
- Miguel Anda, PA-CLos Angeles, CA 900231659453983
- Carolina Camacho, PALos Angeles, CA 900231457439804
- Carol Daugherty, PALos Angeles, CA 900231558587360
- Usama Khoury, PA-CLos Angeles, CA 900231538227681
- Elizabeth Lopez, PA-C, MPHLos Angeles, CA 900231376131672
- Victor Quinones, P.A.Los Angeles, CA 900231376724518
- Sylvia Rodriguez, PALos Angeles, CA 900231114149150
Common questions
What is Joann Chan, PA's NPI number?
Joann Chan, PA's National Provider Identifier (NPI) is 1912298217, issued on Apr 21, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Joann Chan, PA located?
The NPPES record lists a practice address at 4070 E Olympic Blvd, Los Angeles, CA, 90023. Phone: (323) 685-2070. Providers update this record themselves, so call before visiting.
How can I verify Joann Chan, PA's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Joann Chan, PA prescribe under Medicare Part D?
In 2024, Joann Chan, PA had 275 Medicare Part D claims for 25 beneficiaries; the average among physician assistant prescribers was 830. 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.