GOLDEN STATE ORTHOPEDICS & SPINE
NPI 1033862479
Orthopaedic Surgery in Los Gatos, CA

NPI Status: Active since January 26, 2022

Contact Information

340 DARDANELLI LN STE 10
LOS GATOS, CA
ZIP 95032
Phone: (408) 412-8100

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  • Organization
  • Orthopaedic Surgery
  • CLIA Number: 05D2134773
  • CLIA Cert. Type: Other - URGENT CARE
  • CLIA Exp. Date: 08-08-2027

About GOLDEN STATE ORTHOPEDICS & SPINE

This page provides the complete NPI Profile along with additional information for Golden State Orthopedics & Spine, a provider established in Los Gatos, California operating as a Orthopaedic Surgery. The healthcare provider is registered in the NPI registry with number 1033862479 assigned on January 2022. The practitioner's primary taxonomy code is 207X00000X. The provider is registered as an organization and their NPI record was last updated 2 years ago. Golden State Orthopedics & Spine operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Stephen Hammarstrom (Ceo)

NPI
1033862479
Provider Name
GOLDEN STATE ORTHOPEDICS & SPINE
Entity Type
Organization
Location Address
340 DARDANELLI LN STE 10 LOS GATOS, CA 95032
Location Phone
(408) 412-8100
Mailing Address
PO BOX 31396 WALNUT CREEK, CA 94598
Is Sole Proprietor?
No
Is Organization Subpart?
Yes
Enumeration Date
01-26-2022
Last Update Date
06-13-2024
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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Orthopaedic Surgery

Taxonomy Code
207X00000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

STEPHEN HAMMARSTROM

Authorized Official Title
CEO
Authorized Official Phone
(925) 939-8585

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
05D2134773
Facility Type
Other - URGENT CARE
Certificate Effective Date
August 09, 2025
Certificate Expiration Date
August 08, 2027
Laboratory Director
VLADIMIR G. SKOROKHOD
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Golden State Orthopedics & Spine to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1033862479, we treat the final digit (9) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
0
Unchanged
Pos 3
3
Doubled → 6
Pos 4
3
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
6
Unchanged
Pos 7
2
Doubled → 4
Pos 8
4
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
9
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 3 → 6 8 → 16 → 7 2 → 4 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 0 + 6 + 3 + 1 + 6 + 6 + 4 + 4 + 1 + 4 + 24 = 61

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1033862479.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Specialist
340 DARDANELLI LN STE 10
LOS GATOS, CA 95032
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
340 DARDANELLI LN STE 10
LOS GATOS, CA 95032
Orthopaedic Surgery
340 DARDANELLI LN STE 10
LOS GATOS, CA 95032
Physical Therapist
340 DARDANELLI LN STE 10
LOS GATOS, CA 95032
Physician Assistant
340 DARDANELLI LN STE 10
LOS GATOS, CA 95032
Physician Assistant
340 DARDANELLI LN STE 10
LOS GATOS, CA 95032
Physician Assistant
340 DARDANELLI LN STE 10
LOS GATOS, CA 95032
Clinical Nurse Specialist (Family Health)
340 DARDANELLI LN STE 10
LOS GATOS, CA 95032
Orthopaedic Surgery
340 DARDANELLI LN STE 10
LOS GATOS, CA 95032
Physical Medicine & Rehabilitation (Pain Medicine)
340 DARDANELLI LN STE 10
LOS GATOS, CA 95032
Orthopaedic Surgery
340 DARDANELLI LN STE 10
LOS GATOS, CA 95032
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
340 DARDANELLI LN STE 10
LOS GATOS, CA 95032
Physical Medicine & Rehabilitation
340 DARDANELLI LN STE 10
LOS GATOS, CA 95032
Orthopaedic Surgery (Sports Medicine)
340 DARDANELLI LN STE 10
LOS GATOS, CA 95032
Orthopaedic Surgery (Pediatric Orthopaedic Surgery)
340 DARDANELLI LN STE 10
LOS GATOS, CA 95032
Physician Assistant (Surgical)
340 DARDANELLI LN STE 10
LOS GATOS, CA 95032
Physician Assistant (Surgical)
340 DARDANELLI LN STE 10
LOS GATOS, CA 95032
Physician Assistant (Surgical)
340 DARDANELLI LN STE 10
LOS GATOS, CA 95032
Physician Assistant (Surgical)
340 DARDANELLI LN STE 10
LOS GATOS, CA 95032
Orthopaedic Surgery (Hand Surgery)
340 DARDANELLI LN STE 10
LOS GATOS, CA 95032

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1033862479, enumerated as an "organization" on January 26, 2022.

The provider is located at 340 DARDANELLI LN STE 10 LOS GATOS, CA 95032 and the phone number is (408) 412-8100.

Orthopaedic Surgery with taxonomy code 207X00000X.