Jimmy Jingli Mao
NPI 1427553650ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· San Diego, CA
Internal Medicine, Endocrinology, Diabetes & Metabolism in San Diego, California, trained at University of Southern California Keck School of Medicine (class of 2018). Their prescriptions cost Medicare Part D more than their services did: $104,122 for 227 claims, against $27,690 paid for services in 2024. Corcept Therapeutics was the largest of 2 companies reporting payments in 2025, $83.56 in all, mostly food and beverage.
Overview
| NPI | 1427553650 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Mar 28, 2018 |
| Last updated in NPPES | Jun 26, 2023 |
| Certified by provider | Jun 26, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | A174529 | CA |
| Internal Medicine | 207R00000X | 29179 | MN |
| Internal Medicine | 207R00000X | 66150 | MN |
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 - Endocrinology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 133 |
|---|---|
| Services billed | 346 across 17 procedure codes |
| Paid by Medicare | $27,690 |
Part D prescriptions in 2024
| Prescriptions (claims) | 227 · 452 30-day fills |
|---|---|
| Patients | 52 |
| Total drug cost | $104,122 |
| Generic share | 27% of claims |
Education and affiliations
| Medical school | University of Southern California Keck School of Medicine |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Regents of the University of CaliforniaSan Diego, CA · 2,089 clinicians
Hospital affiliation
- Uc San Diego Health Hillcrest - Hillcrest Med CtrSan Diego, CA
Industry payments (Open Payments)
- 2025$83.56 · 4 payments from 2 companies
- 2024$160.86 · 4 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Corcept Therapeutics | $69.06 | 3 |
| Xeris Pharmaceuticals, Inc. | $14.50 | 1 |
What the 2025 payments were for
- Food and Beverage$66.81 · 3 payments
- Education$16.75 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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