Jinny E. Chang, MD
NPI 1336266857ActiveIndividual· Allergy & Immunology· Santa Barbara, CA
Allergy & Immunology (MD) in Santa Barbara, California, trained at Washington University School of Medicine (class of 2006). Their prescriptions cost Medicare Part D more than their services did: $377,998 for 856 claims, against $38,201 paid for services in 2024. Takeda Pharmaceuticals U.S.A., Inc. was the largest of 18 companies reporting payments in 2025, $2,814 in all, mostly consulting fees.
Overview
| NPI | 1336266857 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 22, 2007 |
| Last updated in NPPES | Aug 14, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology Primary | 207K00000X | A112065 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Allergy/Immunology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 185 |
|---|---|
| Services billed | 1,298 across 28 procedure codes |
| Paid by Medicare | $38,201 |
Part D prescriptions in 2024
| Prescriptions (claims) | 856 · 1,310 30-day fills |
|---|---|
| Patients | 166 |
| Total drug cost | $377,998 |
| Generic share | 58% of claims |
Education and affiliations
| Medical school | Washington University School of Medicine |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Allergy/Immunology |
| Telehealth | Offers telehealth |
Medical group
- Sansum ClinicSanta Barbara, CA · 320 clinicians
Hospital affiliation
- Santa Barbara Cottage HospitalSanta Barbara, CA
Industry payments (Open Payments)
- 2025$2,814 · 72 payments from 18 companies
- 2024$861.60 · 35 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Takeda Pharmaceuticals U.S.A., Inc. | $1,629 | 7 |
| Glaxosmithkline, LLC. | $190.14 | 13 |
| Regeneron Healthcare Solutions, Inc. | $148.80 | 9 |
| Genzyme Corporation | $136.78 | 8 |
| Astrazeneca Pharmaceuticals LP | $99.10 | 4 |
What the 2025 payments were for
- Consulting Fee$1,513 · 1 payment
- Food and Beverage$1,301 · 71 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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