Jeremy Chang, MD
Obstetrics & Gynecology Physician · Mission Viejo, CA
Jeremy Chang, MD is an obstetrics & gynecology physician with a practice address in Mission Viejo, California, and NPI 1679004691, issued on Mar 22, 2017. Check the license (California A159443, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jeremy Chang
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A159443 CA
Self-reported in NPPES; status is on the state search - Practice location
- 26800 Crown Valley Pkwy Ste 545, Mission Viejo, CA 92691
- Phone
- (949) 364-1040
- Enumerated
- Mar 22, 2017
- Record last updated
- Jul 11, 2024
- Fax
- (949) 365-7037
- Medicare enrollment
- Enrolled (PECOS I20240724001282); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 2017
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Verify Jeremy Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A159443Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
41 Medicare Part D claims for 23 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
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: $105.69
5 payments; by number, the most common kind was food and beverage; the largest payer was Biogen, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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 FoundationMission Viejo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jeremy Chang among 5,088 obstetrics & gynecology physician records in California
Jeremy Chang, MD is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 87% of them.
- NPI issued2017 · 87% of these records are older, 10% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2017 · median 2004 among the 2,700 with a school on file
- Record last updated2024 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
21 obstetrics & gynecology physician records list a practice address in Mission Viejo
They are 21 of the 2,156 NPPES records with a practice address in Mission Viejo, and 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Mission Viejo → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Leon Baginski, MDMission Viejo, CA 926911487602702
- Thomas Bailey, MDMission Viejo, CA 926911598714818
- Jerry Benzl, MDMission Viejo, CA 926911740398148
- Scott Capobianco, MDMission Viejo, CA 926911275582066
- Kathryn Cvar, MDMission Viejo, CA 926911952350282
- Heba Farag, MDMission Viejo, CA 926911568496735
- Rasha Hashad, MDMission Viejo, CA 926911396794632
- Kenneth James, M.D.Mission Viejo, CA 926911497782213
Common questions
What is Jeremy Chang, MD's NPI number?
Jeremy Chang, MD's National Provider Identifier (NPI) is 1679004691, issued on Mar 22, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Jeremy Chang, MD located?
The NPPES record lists a practice address at 26800 Crown Valley Pkwy Ste 545, Mission Viejo, CA, 92691. Phone: (949) 364-1040. Providers update this record themselves, so call before visiting.
How can I verify Jeremy Chang, MD's license?
NPPES lists California license number A159443, 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 Jeremy Chang, MD prescribe under Medicare Part D?
In 2024, Jeremy Chang, MD had 41 Medicare Part D claims for 23 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.