Jessica M. Chan, MD
Endocrinology, Diabetes & Metabolism Physician · Mission Viejo, CA
Jessica M. Chan, MD is an endocrinology, diabetes & metabolism physician with a practice address in Mission Viejo, California, and NPI 1275927485, issued on Mar 25, 2015. Check the license (California A154362, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jessica M. Chan
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- A154362 CA
Self-reported in NPPES; status is on the state search - Practice location
- 26800 Crown Valley Pkwy Ste 230, Mission Viejo, CA 92691
- Phone
- (949) 542-8004
- Enumerated
- Mar 25, 2015
- Record last updated
- Jul 21, 2022
- Medicare enrollment
- Enrolled (PECOS I20200825001574); accepts Medicare assignment
- Medical or professional school
- Creighton University School Of Medicine, 2015
- 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 26800 Crown Valley Pkwy Ste 230
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lisa Dao, MDEndocrinology, Diabetes & Metabolism Physician1114422730
- Karen Frankwich, MDEndocrinology, Diabetes & Metabolism Physician1316100415
- Mim Mulford, M.D.Endocrinology, Diabetes & Metabolism Physician1235116542
Verify Jessica M. Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A154362Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
2,319 Medicare Part D claims for 377 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 45% of claims.
Most prescribed
- Levothyroxine Sodium338 claims
- Mounjaro227 claims
- Ozempic223 claims
- Metformin Hcl197 claims
- Atorvastatin Calcium140 claims
- Jardiance106 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: $1,533.01
64 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. 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
- Providence Medical FoundationFullerton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jessica M. Chan among 1,131 endocrinology, diabetes & metabolism physician records in California
Jessica M. Chan, MD 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 2015, is newer than 84% of them.
- NPI issued2015 · 84% of these records are older, 14% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2015 · median 2003 among the 779 with a school on file
- Record last updated2022 · 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 Mission Viejo → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Joseph Barrera, M.D.Mission Viejo, CA 926911629054630
- Lisa Dao, MDMission Viejo, CA 926911114422730
- Karen Frankwich, MDMission Viejo, CA 926911316100415
- Alireza Hosseini, MDMission Viejo, CA 926911629324140
- Mim Mulford, M.D.Mission Viejo, CA 926911235116542
- Erene Sami, M.D.Mission Viejo, CA 926911023335817
- Helen Stosel, M.D.Mission Viejo, CA 926911952337362
- Neil Tran, MDMission Viejo, CA 926911316096688
Common questions
What is Jessica M. Chan, MD's NPI number?
Jessica M. Chan, MD's National Provider Identifier (NPI) is 1275927485, issued on Mar 25, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Jessica M. Chan, MD located?
The NPPES record lists a practice address at 26800 Crown Valley Pkwy Ste 230, Mission Viejo, CA, 92691. Phone: (949) 542-8004. Providers update this record themselves, so call before visiting.
How can I verify Jessica M. Chan, MD's license?
NPPES lists California license number A154362, 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 Jessica M. Chan, MD prescribe under Medicare Part D?
In 2024, Jessica M. Chan, MD had 2,319 Medicare Part D claims for 377 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.