Erica Chang, NP
NPI 1073037610ActiveIndividual· Nurse Practitioner, Adult Health· Oakland, CA
Nurse Practitioner, Adult Health (NP) with University of California San Francisco and 1 other group, practicing in Oakland, California. 213 Medicare patients in 2024, $23,734 paid; nearly all of their 312 Part D prescriptions were generic (99%). Vertex Pharmaceuticals Incorporated was the largest of 2 companies reporting payments in 2025, $65.46 in all, mostly food and beverage. Lists Alta Bates Summit Medical Center - Alta Bates Camp and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1073037610 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Jul 26, 2017 |
| Last updated in NPPES | Jul 26, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Adult Health Primary | 363LA2200X | 95006985 | CA |
| Nurse Practitioner, Primary Care | 363LP2300X | 95006985 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 213 |
|---|---|
| Services billed | 396 across 10 procedure codes |
| Paid by Medicare | $23,734 |
Part D prescriptions in 2024
| Prescriptions (claims) | 312 · 322 30-day fills |
|---|---|
| Patients | 114 |
| Total drug cost | $2,024 |
| Generic share | 99% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical groups
- University of California San FranciscoSan Francisco, CA · 1,839 clinicians
- UCSF Medical Group Business ServicesSan Francisco, CA · 1,598 clinicians
Hospital affiliations
- Alta Bates Summit Medical Center - Alta Bates CampBerkeley, CA
- California Pacific Medical Center- Van Ness CampusSan Francisco, CA
- Marinhealth Medical CenterGreenbrae, CA
- UCSF Health Saint Francis HospitalSan Francisco, CA
- UCSF Medical CenterSan Francisco, CA
Industry payments (Open Payments)
- 2025$65.46 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vertex Pharmaceuticals Incorporated | $36.05 | 1 |
| Amgen Inc. | $29.41 | 1 |
What the 2025 payments were for
- Food and Beverage$65.46 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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