Jessica M. Chan, MD
NPI 1275927485ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Mission Viejo, CA
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Mission Viejo, California, trained at Creighton University School of Medicine (class of 2015). Their prescriptions cost Medicare Part D more than their services did: $1,158,500 for 2,319 claims, against $251,046 paid for services in 2024. Novo Nordisk Inc was the largest of 31 companies reporting payments in 2025, $2,234 in all, mostly food and beverage.
Overview
| NPI | 1275927485 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 25, 2015 |
| Last updated in NPPES | Jul 21, 2022 |
| Certified by provider | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | A154362 | 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 - Endocrinology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 275 |
|---|---|
| Services billed | 24,031 across 31 procedure codes |
| Paid by Medicare | $251,046 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,319 · 5,747 30-day fills |
|---|---|
| Patients | 377 |
| Total drug cost | $1,158,500 |
| Generic share | 51% of claims |
Education and affiliations
| Medical school | Creighton University School of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Providence Medical FoundationVictorville, CA · 1,466 clinicians
Hospital affiliations
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Providence Mission HospitalMission Viejo, CA
Industry payments (Open Payments)
- 2025$2,234 · 94 payments from 31 companies
- 2024$1,533 · 64 payments from 22 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $291.87 | 9 |
| Insulet Corporation | $244.03 | 7 |
| Abbvie Inc. | $172.01 | 9 |
| Lilly USA, LLC | $155.72 | 11 |
| Radius Health, Inc. | $116.80 | 4 |
What the 2025 payments were for
- Food and Beverage$2,192 · 93 payments
- Education$42.50 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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