Stephanie Chang, MD
Obstetrics & Gynecology Physician · Loma Linda, CA
Stephanie Chang, MD is an obstetrics & gynecology physician with a practice address in Loma Linda, California, and NPI 1912585654, issued on Apr 1, 2021. Check the license (California A199214, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Stephanie Chang
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A199214 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11234 Anderson St, Loma Linda, CA 92354
- Phone
- (909) 651-5510
- Enumerated
- Apr 1, 2021
- Record last updated
- Nov 4, 2025
- Medicare enrollment
- Enrolled (PECOS I20251103002159); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 2021
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 11234 Anderson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carolyn AbbasiAnesthesiology Physician1811287311
- Marian Abdelmalek, DOInternal Medicine Physician1285218024
- Faiz Abdur-Rahman, MDStudent in an Organized Health Care Education/Training Program1144073768
- Marc Abou AssaliStudent in an Organized Health Care Education/Training Program1689317265
- Adina Achiriloaie, MDDiagnostic Neuroimaging (Radiology) Physician1992983282
- Ana Acosta, MDStudent in an Organized Health Care Education/Training Program1265179774
Verify Stephanie Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A199214Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
79 Medicare Part D claims for 29 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 20 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen15 claims
- Methocarbamol15 claims
- Ibuprofen11 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.
Bills Medicare through 2 group practices
- County OF MontereySalinas, CA
- Soledad Community Health Care DistrictSoledad, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephanie Chang among 5,088 obstetrics & gynecology physician records in California
Stephanie 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 2021, is newer than 96% of them.
- NPI issued2021 · 96% of these records are older, 2% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2021 · median 2004 among the 2,700 with a school on file
- Record last updated2025 · 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).
59 obstetrics & gynecology physician records list a practice address in Loma Linda
They are 59 of the 4,863 NPPES records with a practice address in Loma Linda, and 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Loma Linda → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Kevin Balli, M.D.Loma Linda, CA 923541083636260
- Barry Block, M.D.Loma Linda, CA 923541134141328
- Karen Gaio Hansberger, MDLoma Linda, CA 923541710083159
- Yvonne Gollin, M.D.Loma Linda, CA 923541790899300
- Jeffrey Hardesty, M.D.Loma Linda, CA 923541447364062
- Elaine Hart, M.D.Loma Linda, CA 923541396767588
- John Jacobson, M.D.Loma Linda, CA 923541467474650
- Kathleen Lau, M.D.Loma Linda, CA 923541164536702
Common questions
What is Stephanie Chang, MD's NPI number?
Stephanie Chang, MD's National Provider Identifier (NPI) is 1912585654, issued on Apr 1, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Stephanie Chang, MD located?
The NPPES record lists a practice address at 11234 Anderson St, Loma Linda, CA, 92354. Phone: (909) 651-5510. Providers update this record themselves, so call before visiting.
How can I verify Stephanie Chang, MD's license?
NPPES lists California license number A199214, 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 Stephanie Chang, MD prescribe under Medicare Part D?
In 2024, Stephanie Chang, MD had 79 Medicare Part D claims for 29 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.