Joyce Wang, M.D.
Emergency Medicine Physician · La Mesa, CA
Joyce Wang, M.D. is an emergency medicine physician with a practice address in La Mesa, California, and NPI 1225393101, issued on Jul 7, 2012. Check the license (California A140282, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joyce Wang
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A140282 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5555 Grossmont Center Dr, La Mesa, CA 91942
- Phone
- (619) 740-6000
- Enumerated
- Jul 7, 2012
- Record last updated
- Nov 15, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160722000832); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Buffalo School Of Medicine, 2012
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 5555 Grossmont Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Paul Abou, MDInternal Medicine Physician1033264882
- Mohammed Al-Janabi, M.D.Pulmonary Disease Physician1760773725
- Lori Alford, L.C.S.W.Clinical Social Worker1043463003
- Roshanak Alialy, MDAnatomic Pathology & Clinical Pathology Physician1730683160
- Kikelomo Aluko, MSN, APRN, PMHNP BCPsychiatric/Mental Health Nurse Practitioner1083584346
- Vian AmerPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1972186609
Verify Joyce Wang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A140282Check 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% fewer Medicare Part D claims than the average emergency medicine physician in 2024
219 Medicare Part D claims for 163 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 26 claims were for opioids.
Most prescribed
- Cefuroxime17 claims
- Amoxicillin-Clavulanate Potass15 claims
- Ondansetron Odt15 claims
- Doxycycline Hyclate12 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Emergency Services Medical Corporation CoronadoCoronado, CA
- Team Physicians OF Northern California Medical Group IncLa Mesa, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joyce Wang among 7,751 emergency medicine physician records in California
Joyce Wang, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 63% of them.
- NPI issued2012 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2012 · median 2011 among the 4,560 with a school on file
- Record last updated2021 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
42 emergency medicine physician records list a practice address in La Mesa
They are 42 of the 2,168 NPPES records with a practice address in La Mesa, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in La Mesa → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Brook Beall, MDLa Mesa, CA 919421508803529
- Brent Butcher, MDLa Mesa, CA 919421861413700
- Kellie Freeborn, NPLa Mesa, CA 919421841220860
- Erwin Handley, MDLa Mesa, CA 919421871536631
- Kevin KellyLa Mesa, CA 919421811924764
- Swathi Lavu-Rao, MDLa Mesa, CA 919421497789630
- Brendan Lee, DOLa Mesa, CA 919421033146022
- William Linnik, MDLa Mesa, CA 919421871526327
Common questions
What is Joyce Wang, M.D.'s NPI number?
Joyce Wang, M.D.'s National Provider Identifier (NPI) is 1225393101, issued on Jul 7, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Joyce Wang, M.D. located?
The NPPES record lists a practice address at 5555 Grossmont Center Dr, La Mesa, CA, 91942. Phone: (619) 740-6000. Providers update this record themselves, so call before visiting.
How can I verify Joyce Wang, M.D.'s license?
NPPES lists California license number A140282, 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 Joyce Wang, M.D. prescribe under Medicare Part D?
In 2024, Joyce Wang, M.D. had 219 Medicare Part D claims for 163 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Joyce Wang, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.