Ryan Alan Brown, MD
NPI 1467425439ActiveIndividual· Internal Medicine, Cardiovascular Disease· Walnut Creek, CA
Internal Medicine, Cardiovascular Disease (MD) in Walnut Creek, California, trained at Northwestern University Feinberg Medical School (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $953,631 for 4,569 claims, against $541,515 paid for services in 2024. Cvrx, Inc. was the largest of 20 companies reporting payments in 2025, $1,775 in all, mostly food and beverage.
Overview
| NPI | 1467425439 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 9, 2006 |
| Last updated in NPPES | Nov 8, 2022 |
| Certified by provider | Nov 8, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | A84824 | CA |
| Internal Medicine | 207R00000X | A84824 | CA |
| Internal Medicine, Interventional Cardiology | 207RI0011X | A84824 | CA |
| Nuclear Medicine, Nuclear Cardiology | 207UN0901X | A84824 | 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 - Cardiovascular Disease (Cardiology) (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 2,517 |
|---|---|
| Services billed | 7,664 across 93 procedure codes |
| Paid by Medicare | $541,515 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,569 · 11,144 30-day fills |
|---|---|
| Patients | 832 |
| Total drug cost | $953,631 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine, Interventional Cardiology, Nuclear Medicine |
| Telehealth | Offers telehealth |
Medical group
- John Muir Physician NetworkPleasant Hill, CA · 494 clinicians
Hospital affiliations
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
- San Ramon Regional Medical CenterSan Ramon, CA
- Stanford Health Care Tri-ValleyPleasanton, CA
- Sutter Delta Medical CenterAntioch, CA
Other facilities
- John Muir Home Health ServicesHome health agency · Concord, CA
Industry payments (Open Payments)
- 2025$1,775 · 85 payments from 20 companies
- 2024$1,615 · 79 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Cvrx, Inc. | $248.42 | 3 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $173.31 | 6 |
| Edwards Lifesciences Corporation | $168.71 | 17 |
| Boston Scientific Corporation | $159.15 | 8 |
| Bayer Healthcare Pharmaceuticals Inc. | $147.43 | 8 |
What the 2025 payments were for
- Food and Beverage$1,775 · 85 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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