GOLDEN STATE ORTHOPEDICS & SPINE
NPI 1164186847
Orthopaedic Surgery in Brentwood, CA

Q: What is Golden State Orthopedics & Spine's NPI number?

The NPI number for Golden State Orthopedics & Spine is 1164186847. It was assigned to this organization in the NPPES registry on October 28, 2021.

Q: What is Golden State Orthopedics & Spine's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Active since October 28, 2021

2490 SAND CREEK RD, BRENTWOOD, CA 94513(925) 939-8585 Get Directions Write a Review

NPPES record last updated: June 13, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 13, 2024, Feb 18, 2022, Jan 26, 2022 (3 updates tracked since 2022).

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About Golden State Orthopedics & Spine NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GOLDEN STATE ORTHOPEDICS & SPINE (NPI 1164186847) is a healthcare organization registered as an orthopaedic surgery in Brentwood, California and active in the NPI registry since October 2021. The organization lists Stephen Hammarstrom, Ceo, as its authorized official.

NPPES Registry Identity

NPI1164186847

Entity TypeOrganization

Primary Taxonomy207X00000X

Legal Business NameGOLDEN STATE ORTHOPEDICS & SPINE

Location Address2490 SAND CREEK RDBrentwood, CA 94513-7058

Mailing AddressPo Box 31396Walnut Creek, CA 94598-8396 · (925) 939-8585

Phone(925) 939-8585

Organization SubpartYes

Authorized OfficialStephen HammarstromCeo · (925) 939-8585

Enumeration DateOctober 28, 2021

Last NPPES UpdateJune 13, 20243 updates tracked since enumeration

NPPES CertifiedJune 13, 2024

✔ NPI 1164186847 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207X00000X

Definition

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.

2490 SAND CREEK RD, Brentwood, CA 94513

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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Golden State Orthopedics & Spine is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

210

Medicare enrollment records show 210 clinicians reassign Medicare billing to Golden State Orthopedics & Spine, which bills Medicare for the services they deliver. Of these, 4 practice at this address and 15 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 14

Physical Therapist in Private Practice93

Orthopedic Surgery55

Occupational Therapist in Private Practice24

Nurse Practitioner16

Hand Surgery6

Physical Medicine and Rehabilitation5

Family Practice3

Sports Medicine2

6 other specialties6

Nearest to this location (20)

See all 210

Jacquelyn Colmenares, PT, DPT

Physical Therapist in Private Practice

NPI 1467160911

2490 SAND CREEK RD
Brentwood, CA 94513

(925) 939-8585

✔ Accepts MedicareSame address

Darian Harris, OTD

Occupational Therapist in Private Practice

NPI 1932881893

2490 SAND CREEK RD
Brentwood, CA 94513

(925) 939-8585

✔ Accepts MedicareSame address

Mary Ann Lacson, PT

Physical Therapist in Private Practice

NPI 1851638928

2490 SAND CREEK RD
Brentwood, CA 94513

(925) 939-8585

✔ Accepts MedicareSame address

Melissa Sennewald, PT, DPT

Physical Therapist in Private Practice

NPI 1497411789

2490 SAND CREEK RD
Brentwood, CA 94513

(925) 939-8585

✔ Accepts MedicareSame address

Sohila Khalili, DPT

Physical Therapist in Private Practice

NPI 1184285520

350 JOHN MUIR PKWY STE 155
Brentwood, CA 94513

(925) 939-8585

✔ Accepts Medicare2.0 mi

Nicole Kurthausen-Bon, O.T.

Occupational Therapist in Private Practice

NPI 1699118125

350 JOHN MUIR PKWY STE 155
Brentwood, CA 94513

(925) 939-8585

✔ Accepts Medicare2.0 mi

Leslie Lourenzo, MPT

Physical Therapist in Private Practice

NPI 1437618931

350 JOHN MUIR PKWY STE 250
Brentwood, CA 94513

(925) 308-8160

✔ Accepts Medicare2.0 mi

Jonathan Ochoa, MD

Orthopedic Surgery

NPI 1215424254

350 JOHN MUIR PKWY STE 100
Brentwood, CA 94513

(925) 939-8585

✔ PECOS✔ Accepts Medicare2.0 mi

Connor Byrne

Orthopedic Surgery

NPI 1144782541

101 SAND CREEK RD STE A
Brentwood, CA 94513

(925) 939-8585

✔ PECOS✔ Accepts Medicare2.7 mi

Jin Choi, DO

Osteopathic Manipulative Medicine

NPI 1114330727

101 SAND CREEK RD STE B
Brentwood, CA 94513

(925) 939-8585

✔ PECOS✔ Accepts Medicare2.7 mi

Zainab Hussain

Occupational Therapist in Private Practice

NPI 1528922929

101 SAND CREEK RD STE A
Brentwood, CA 94513

(925) 939-8585

✔ Accepts Medicare2.7 mi

Brian Martija

Physical Therapist in Private Practice

NPI 1285504399

101 SAND CREEK RD STE A
Brentwood, CA 94513

(925) 978-6959

✔ Accepts Medicare2.7 mi

Jacky Peng

Physical Therapist in Private Practice

NPI 1508604489

101 SAND CREEK RD STE A
Brentwood, CA 94513

(925) 939-8585

✔ Accepts Medicare2.7 mi

Roman Rahmani, DO

Orthopedic Surgery

NPI 1326667791

101 SAND CREEK RD STE A
Brentwood, CA 94513

(925) 939-8585

✔ PECOS2.7 mi

Eileen Joy Stewart, OTD OTR/L

Occupational Therapist in Private Practice

NPI 1245112366

101 SAND CREEK RD STE A
Brentwood, CA 94513

(925) 939-8585

✔ Accepts Medicare2.7 mi

Desiree Agosto

Nurse Practitioner

NPI 1235907197

2625 SHADELANDS DR
Walnut Creek, CA 94598

(925) 939-8585

✔ PECOS✔ Accepts Medicare15 mi

Afshin Anoushiravani

Orthopedic Surgery

NPI 1003310293

2625 SHADELANDS DR
Walnut Creek, CA 94598

(925) 256-2107

✔ PECOS15 mi

Lauren Baker, OTR

Occupational Therapist in Private Practice

NPI 1114669322

2625 SHADELANDS DR
Walnut Creek, CA 94598

(925) 939-8585

✔ Accepts Medicare15 mi

Brian Bischoff

Physical Therapist in Private Practice

NPI 1518740034

2625 SHADELANDS DR
Walnut Creek, CA 94598

(925) 939-8585

✔ Accepts Medicare15 mi

Matthew Pecci, M.D.

Family Practice

NPI 1699749754

2625 SHADELANDS DR
Walnut Creek, CA 94598

(925) 939-8585

✔ PECOS✔ Accepts Medicare15 mi

See all 210 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Golden State Orthopedics & Spine's NPI number?

The NPI number for Golden State Orthopedics & Spine is 1164186847. It was assigned to this organization in the NPPES registry on October 28, 2021.

Where is Golden State Orthopedics & Spine located?

Golden State Orthopedics & Spine is located at 2490 Sand Creek Rd, Brentwood, CA 94513. The listed phone number is (925) 939-8585.

What is Golden State Orthopedics & Spine's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Golden State Orthopedics & Spine enrolled in Medicare?

Yes. Golden State Orthopedics & Spine is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Golden State Orthopedics & Spine?

According to the CMS Revalidation Reassignment List (October 2026 release), 210 clinicians in 14 Medicare specialties reassign their Medicare billing to Golden State Orthopedics & Spine. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Physical Therapist in Private Practice (93), Orthopedic Surgery (55) and Occupational Therapist in Private Practice (24). Of these, 4 practice at this address and 15 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Golden State Orthopedics & Spine was last updated on June 13, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.