GOLDEN STATE ORTHOPEDICS & SPINE
NPI 1912252024
Orthopaedic Surgery in Brentwood, CA

NPI Status: Active since July 16, 2012

Contact Information

350 JOHN MUIR PKWY STE 100
BRENTWOOD, CA
ZIP 94513
Phone: (925) 939-8585
Fax: (925) 933-2709

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  • Organization
  • Orthopaedic Surgery
  • CLIA Number: 05D2187186
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 10-31-2025

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 Brentwood, California operating as a Orthopaedic Surgery. The healthcare provider is registered in the NPI registry with number 1912252024 assigned on July 2012. 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
1912252024
Provider Name
GOLDEN STATE ORTHOPEDICS & SPINE
Entity Type
Organization
Location Address
350 JOHN MUIR PKWY STE 100 BRENTWOOD, CA 94513
Location Phone
(925) 939-8585
Location Fax
(925) 933-2709
Mailing Address
PO BOX 31396 WALNUT CREEK, CA 94598
Mailing Phone
(925) 939-8585
Mailing Fax
(925) 933-2709
Is Sole Proprietor?
No
Is Organization Subpart?
Yes
Enumeration Date
07-16-2012
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.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

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

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
6461930003OTHER (01)DME SUPPLIER PTAN

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
05D2187186
Facility Type
Physician Office
Certificate Effective Date
August 11, 2022
Certificate Expiration Date
October 31, 2025
Laboratory Director
HOVIK ASHCHYAN
Certificate Type
Certificate of Compliance
Certificate Type Description
This CLIA certificate is issued to Golden State Orthopedics & Spine after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements. This type of certificate is issued to laboratories that perform nonwaived (moderate and/or high complexity) testing.

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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 1912252024, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

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
9
Unchanged
Pos 3
1
Doubled → 2
Pos 4
2
Unchanged
Pos 5
2
Doubled → 4
Pos 6
5
Unchanged
Pos 7
2
Doubled → 4
Pos 8
0
Unchanged
Pos 9
2
Doubled → 4
Check
4
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 1 → 2 2 → 4 2 → 4 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 2 + 2 + 4 + 5 + 4 + 0 + 4 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1912252024.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Orthopaedic Surgery
350 JOHN MUIR PKWY STE 100
BRENTWOOD, CA 94513

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1912252024, enumerated as an "organization" on July 16, 2012.

The provider is located at 350 JOHN MUIR PKWY STE 100 BRENTWOOD, CA 94513 and the phone number is (925) 939-8585.

Orthopaedic Surgery with taxonomy code 207X00000X.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.