Matthew Silas Auyoung, M.D.
NPI 1053707190ActiveIndividual· Internal Medicine, Cardiovascular Disease· San Pablo, CA
Internal Medicine, Cardiovascular Disease (M.D.) with John Muir Physician Network, practicing in San Pablo, California. Their prescriptions cost Medicare Part D more than their services did: $1,145,177 for 4,942 claims, against $475,699 paid for services in 2024. Biotronik Inc. was the largest of 16 companies reporting payments in 2025, $3,628 in all, mostly food and beverage. Lists Contra Costa Regional Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1053707190 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 15, 2015 |
| Last updated in NPPES | Aug 10, 2022 |
| Certified by provider | Aug 10, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | A148898 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Cardiovascular Disease (Cardiology) (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,057 |
|---|---|
| Services billed | 7,991 across 51 procedure codes |
| Paid by Medicare | $475,699 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,942 · 12,933 30-day fills |
|---|---|
| Patients | 855 |
| Total drug cost | $1,145,177 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Telehealth | Offers telehealth |
Medical group
- John Muir Physician NetworkPleasant Hill, CA · 494 clinicians
Hospital affiliations
- Contra Costa Regional Medical CenterMartinez, CA
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
Industry payments (Open Payments)
- 2025$3,628 · 91 payments from 16 companies
- 2024$1,923 · 89 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Biotronik Inc. | $1,972 | 22 |
| Novartis Pharmaceuticals Corporation | $426.08 | 17 |
| Bayer Healthcare Pharmaceuticals Inc. | $161.70 | 9 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $151.38 | 6 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $137.13 | 2 |
What the 2025 payments were for
- Food and Beverage$2,473 · 86 payments
- Travel and Lodging$1,154 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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