# GOLDEN STATE ORTHOPEDICS & SPINE

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- **Entity:** Organization
- **Status:** Active
- **Organization subpart:** No

## Provider details

- **NPI number:** 1508701095
- **Authorized official:** STEPHEN HAMMARSTROM (CEO)
- **Authorized official phone:** (925) 256-2107

## Contact information

- **Practice address:** 39350 CIVIC CENTER DR STE 300, FREMONT, CA 94538-2331
- **Practice address phone:** (510) 797-3933
- **Practice address fax:** (510) 797-5184
- **Mailing address:** PO BOX 31396, STE 300, WALNUT CREEK, CA 94598-8396
- **Mailing address phone:** (925) 939-8585
- **Mailing address fax:** (925) 933-2709

## Taxonomy

| Code | Description | License number | State | Primary |
| --- | --- | --- | --- | --- |
| 207X00000X | Orthopaedic Surgery Physician | — | NULL | Yes |
| 207X00000X | Orthopaedic Surgery Physician | — | — | Yes |

## Other

- **Enumeration date:** 04/21/2026
- **Last updated:** 04/21/2026