Julia Marx, MD
NPI 1316039183ActiveIndividual· Family Medicine· Los Altos, CA
Family Medicine (MD) in Los Altos, California, trained at University of California, San Francisco School of Medicine (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $191,952 for 2,133 claims, against $60,136 paid for services in 2024.
Overview
| NPI | 1316039183 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 29, 2006 |
| Last updated in NPPES | Dec 15, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A61863 | CA |
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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 176 |
|---|---|
| Services billed | 579 across 35 procedure codes |
| Paid by Medicare | $60,136 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,133 · 5,410 30-day fills |
|---|---|
| Patients | 185 |
| Total drug cost | $191,952 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of California, San Francisco School of Medicine |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
Other facilities
- Sutter Care at HomeHome health agency · Saratoga, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 26 family medicine physicians in Los Altos · All family medicine physicians in California