Melissa Han-Yo Chung, MD
Obesity Medicine (Internal Medicine) Physician · Santa Monica, CA
Melissa Han-Yo Chung, MD is an obesity medicine (internal medicine) physician with a practice address in Santa Monica, California, and NPI 1285123265, issued on May 6, 2018. Check the license (California A164037, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Melissa Han-Yo Chung
- Credential
- MD
- Primary taxonomy
- Obesity Medicine (Internal Medicine) Physician 207RB0002X
- License number
- A164037 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1304 15TH St Ste 102, Santa Monica, CA 90404
- Phone
- (310) 825-8173
- Enumerated
- May 6, 2018
- Record last updated
- Jul 13, 2026
- Fax
- (310) 206-3607
- Medicare enrollment
- Enrolled (PECOS I20210722003426); accepts Medicare assignment
- Medical or professional school
- Rush Medical College Of Rush University, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest obesity medicine (internal medicine) physician records → All 17 in California → Look up another NPI →
Also registered at 1304 15TH St Ste 102
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Charles Chandler, MDSurgery Physician1295842771
- David Chen, M.D.Surgery Physician1760630057
- Courtney Decan, MDInternal Medicine Physician1659831212
- Kaitlyn FruinInternal Medicine Physician1023646650
- Brian Kadera, M.D.Surgical Oncology Physician1083849327
- Edward Livingston, MDSurgery Physician1114981990
Verify Melissa Han-Yo Chung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A164037Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average obesity medicine (internal medicine) physician in 2024
1,586 Medicare Part D claims for 196 beneficiaries, against an average of 742 among the 106 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Atorvastatin Calcium136 claims
- Levothyroxine Sodium101 claims
- Rosuvastatin Calcium88 claims
- Lisinopril75 claims
- Losartan Potassium70 claims
- Amlodipine Besylate51 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: $118.79
1 payment: food and beverage; the largest payer was Novo Nordisk Inc. The 80 providers of this specialty with any payment received $6,310.67 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
- The Regents OF The University OF CaliforniaWestlake Village, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Melissa Han-Yo Chung among 17 obesity medicine (internal medicine) physician records in California
Melissa Han-Yo Chung, MD is one of 17 obesity medicine (internal medicine) physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 82% of them.
- NPI issued2018 · 82% of these records are older, 6% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 41% of these records are
- Record last updated2026 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RB0002X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obesity Medicine (Internal Medicine) Physician providers in California
There are 17 obesity medicine (internal medicine) physician records in California.
All 17 in California → Every provider in Santa Monica → Obesity Medicine (Internal Medicine) Physician nationwide →
The 8 obesity medicine (internal medicine) physician records with the nearest ZIP codes
- Gerald Cox, MD, MPHLakewood, CA 907121477041333
- Amanda Velazquez, MDLos Angeles, CA 900481689014466
- Randall Caldron, MDWest Hills, CA 913071053475822
- Viktoriya Yanchuk, D.O.West Hills, CA 913071932587169
- Arthur Aronson, M.D.San Diego, CA 921011780030122
- Eduardo Grunvald, M.DSan Diego, CA 921031497791339
- Quyen Dao, M.D.Tustin, CA 927801932305034
- Harpreet Singh, MDOxnard, CA 930301942258124
Common questions
What is Melissa Han-Yo Chung, MD's NPI number?
Melissa Han-Yo Chung, MD's National Provider Identifier (NPI) is 1285123265, issued on May 6, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Melissa Han-Yo Chung, MD located?
The NPPES record lists a practice address at 1304 15TH St Ste 102, Santa Monica, CA, 90404. Phone: (310) 825-8173. Providers update this record themselves, so call before visiting.
How can I verify Melissa Han-Yo Chung, MD's license?
NPPES lists California license number A164037, 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 Melissa Han-Yo Chung, MD prescribe under Medicare Part D?
In 2024, Melissa Han-Yo Chung, MD had 1,586 Medicare Part D claims for 196 beneficiaries; the average among obesity medicine (internal medicine) physician prescribers was 742. 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.