Joyce W. Chung, M.D.
Endocrinology, Diabetes & Metabolism Physician · San Diego, CA
Joyce W. Chung, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in San Diego, California, and NPI 1477561504, issued on Aug 4, 2006. Check the license (California A50122, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joyce W. Chung
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- A50122 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10670 Wexford St, San Diego, CA 92131
- Phone
- (858) 621-4090
- Enumerated
- Aug 4, 2006
- Record last updated
- Jun 18, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (858) 621-4082
- Medicaid ID
- 00A501220 CA
- Medicare enrollment
- Enrolled (PECOS I20100917001102); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 1,131 in California → Look up another NPI →
Also registered at 10670 Wexford St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thomas Adamson, M.D.Rheumatology Physician1639187057
- Emelya Ahadian, M.D.Internal Medicine Physician1477561777
- Kevin Antonio, M.D.Geriatric Medicine (Internal Medicine) Physician1770760951
- Angelica Bayardo, MDFamily Medicine Physician1023157724
- Gayatri Chhatre, M.D.Obstetrics & Gynecology Physician1972739746
- Richard Clark, PAPhysician Assistant1285693036
Verify Joyce W. Chung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A50122Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
1,076 Medicare Part D claims for 228 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 42% of claims.
Most prescribed
- Levothyroxine Sodium146 claims
- Alendronate Sodium106 claims
- Methimazole102 claims
- Ozempic47 claims
- Hydrocortisone40 claims
- Synthroid35 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 73.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $176.45
2 payments; by number, the most common kind was food and beverage; the largest payer was Tandem Diabetes Care, Inc. The 5,661 providers of this specialty with any payment received $5,742.15 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
- Sharp Rees-Stealy Medical Group IncSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joyce W. Chung among 1,131 endocrinology, diabetes & metabolism physician records in California
Joyce W. Chung, M.D. is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 54% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1986 · median 2003 among the 779 with a school on file
- Record last updated2013 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in California
There are 1,131 endocrinology, diabetes & metabolism physician records in California.
All 1,131 in California → Every provider in San Diego → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Puneet Arora, MDSan Diego, CA 921301164484960
- Alain BaronSan Diego, CA 921301356845440
- Simon Bruce, M.D.San Diego, CA 921301043648967
- Juan Frias, M.D.San Diego, CA 921301134437601
- Ken Fujioka, M.D.San Diego, CA 921301811007255
- Samantha Harris, M.D.San Diego, CA 921301720305436
- Michael Lee, M.D.San Diego, CA 921301760406649
- Adrienne Nassar, M.D.San Diego, CA 921301063625002
Common questions
What is Joyce W. Chung, M.D.'s NPI number?
Joyce W. Chung, M.D.'s National Provider Identifier (NPI) is 1477561504, issued on Aug 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joyce W. Chung, M.D. located?
The NPPES record lists a practice address at 10670 Wexford St, San Diego, CA, 92131. Phone: (858) 621-4090. Providers update this record themselves, so call before visiting.
How can I verify Joyce W. Chung, M.D.'s license?
NPPES lists California license number A50122, 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 W. Chung, M.D. prescribe under Medicare Part D?
In 2024, Joyce W. Chung, M.D. had 1,076 Medicare Part D claims for 228 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Joyce W. Chung, M.D.'s MIPS final score?
The 2023 MIPS final score is 73.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.