Stephanie Noi Ling Chun, MD
NPI 1285750943ActiveIndividual· Obstetrics & Gynecology· San Francisco, CA
Obstetrics & Gynecology (MD) in San Francisco, California, trained at Northwestern University Feinberg Medical School (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $35,760 for 161 claims, against $7,472 paid for services in 2024. Mayne Pharma Commercial LLC was the largest of 5 companies reporting payments in 2025, $253.31 in all, mostly food and beverage.
Overview
| NPI | 1285750943 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 22, 2007 |
| Last updated in NPPES | Jul 10, 2025 |
| Certified by provider | Jun 10, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | G085621 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Obstetrics/Gynecology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 56 |
|---|---|
| Services billed | 95 across 10 procedure codes |
| Paid by Medicare | $7,472 |
Part D prescriptions in 2024
| Prescriptions (claims) | 161 · 398 30-day fills |
|---|---|
| Patients | 59 |
| Total drug cost | $35,760 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Obstetrics/Gynecology |
| Telehealth | Offers telehealth |
Medical group
- Sfwomen's GYN Inc.San Francisco, CA · 2 clinicians
Hospital affiliations
- California Pacific Medical Center- Van Ness CampusSan Francisco, CA
- UCSF Health St. Mary's HospitalSan Francisco, CA
Industry payments (Open Payments)
- 2025$253.31 · 15 payments from 5 companies
- 2024$288.37 · 13 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mayne Pharma Commercial LLC | $113.59 | 9 |
| Astellas Pharma US Inc | $80.59 | 3 |
| Sumitomo Pharma America, Inc. | $24.42 | 1 |
| Millicent US Inc | $17.79 | 1 |
| Biogen, Inc. | $16.92 | 1 |
What the 2025 payments were for
- Food and Beverage$253.31 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other OB-GYNs in San Francisco
- 1043208689
- 1053436899
- 1073802310
- 1093057002
- 1104873520
- 1114094331
- 1174565451
- 1194744722
- 1225026446
- 1225028913
- 1275774374
- 1326347113
All 268 OB-GYNs in San Francisco · All OB-GYNs in California