Deborah Chon, M.D.
Endocrinology, Diabetes & Metabolism Physician · Torrance, CA
Deborah Chon, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Torrance, California, and NPI 1003173949, issued on Apr 17, 2012. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Deborah Chon
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- Practice location
- 3445 Pacific Coast Hwy Ste 100, Torrance, CA 90505
- Phone
- (310) 542-6333
- Enumerated
- Apr 17, 2012
- Entity
- Type 1 · individual
Also registered at 3445 Pacific Coast Hwy Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aarthi Arasu, MDInternal Medicine Physician1326218249
- Vivek Bose, MDEndocrinology, Diabetes & Metabolism Physician1154858215
- Dianne Cheung, M.D.Endocrinology, Diabetes & Metabolism Physician1417197062
- Rebecca Gerl, RDRegistered Dietitian1619495967
- Jennifer Han, M.D.Internal Medicine Physician1982837456
- Michelle Hwang, M.D.Nephrology Physician1134503337
Verify Deborah Chon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
43% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
1,562 Medicare Part D claims for 325 beneficiaries, against an average of 2,739 among the 6,176 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of claims.
Most prescribed
- Levothyroxine Sodium215 claims
- Ozempic129 claims
- Methimazole112 claims
- Insulin Glargine-Yfgn95 claims
- Glipizide91 claims
- Nano 2nd Gen Pen Needle63 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.
One hospital or facility affiliation
- Southern California Permanente Medical GroupLos Angeles, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Endocrinology, Diabetes & Metabolism Physician providers in California
There are 890 endocrinology, diabetes & metabolism physician records in California.
Other endocrinology, diabetes & metabolism physician records in California
- Anita Abraham, M.D.Stockton, CA1558380337
- Sallie Adams, M.D.Roseville, CA1255342085
- Ananta AddalaPalo Alto, CA1740669563
- Helen Adelberg, M.D.Encino, CA1093935447
- David Aftergood, MDBeverly Hills, CA1639259328
- Bahar Aghighi, MDSanta Cruz, CA1770562134
- Tyler Aguinaldo, MDBurlingame, CA1306811906
- Susan Ahern, D.O.Ventura, CA1508156597
- Scott Ahl, D.O.Huntington Beach, CA1558674523
- Sheila Ahmadi, MDLos Angeles, CA1194800094
Common questions
What is Deborah Chon, M.D.'s NPI number?
Deborah Chon, M.D.'s National Provider Identifier (NPI) is 1003173949, issued on Apr 17, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Deborah Chon, M.D. located?
The NPPES record lists a practice address at 3445 Pacific Coast Hwy Ste 100, Torrance, CA, 90505. Phone: (310) 542-6333. Providers update this record themselves, so call before visiting.
How can I verify Deborah Chon, M.D.'s license?
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 Deborah Chon, M.D. prescribe under Medicare Part D?
In 2024, Deborah Chon, M.D. had 1,562 Medicare Part D claims for 325 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,739. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.