GOLDEN STATE ORTHOPEDICS & SPINE
NPI 1952656050
Orthopaedic Surgery in San Ramon, CA

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

The NPI number for Golden State Orthopedics & Spine is 1952656050. It was assigned to this organization in the NPPES registry on July 16, 2012.

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 July 16, 2012

5201 NORRIS CANYON RD STE 300, SAN RAMON, CA 94583(925) 939-8585(925) 933-2709 Get Directions Write a Review

NPPES record last updated: June 13, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 13, 2024, Jan 26, 2022, Aug 19, 2020 and 1 more (4 updates tracked since 2019).

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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 1952656050) is a healthcare organization registered as an orthopaedic surgery in San Ramon, California and active in the NPI registry since July 2012. The organization lists Stephen Hammarstrom, Ceo, as its authorized official.

NPPES Registry Identity

NPI1952656050

Entity TypeOrganization

Primary Taxonomy207X00000X

Legal Business NameGOLDEN STATE ORTHOPEDICS & SPINE

Location Address5201 NORRIS CANYON RD STE 300San Ramon, CA 94583-5405

Mailing AddressPo Box 31396Walnut Creek, CA 94598-8396 · (925) 939-8585 · Fax (925) 933-2709

Phone(925) 939-8585

Fax(925) 933-2709

Organization SubpartYes

Authorized OfficialStephen HammarstromCeo · (925) 939-8585

Enumeration DateJuly 16, 2012

Last NPPES UpdateJune 13, 20244 updates tracked since enumeration

NPPES CertifiedJune 13, 2024

✔ NPI 1952656050 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.

5201 NORRIS CANYON RD STE 300, San Ramon, CA 94583

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Other Identifiers 1

Other6461930002Dme Supplier Ptan

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, 7 practice at this address and 27 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

Melanie Wong, PT

Physical Therapist in Private Practice

NPI 1992891675

5201 NORRIS CANYON RD STE 230
San Ramon, CA 94583

(925) 939-8585

✔ Accepts MedicareSame address

Kristin Lagua, DPT

Physical Therapist in Private Practice

NPI 1447890793

5201 NORRIS CANYON RD
San Ramon, CA 94583

(925) 939-8585

✔ Accepts MedicareSame address

Jacqueline Lizarraga, OT

Occupational Therapist in Private Practice

NPI 1619469558

5201 NORRIS CANYON RD STE 300
San Ramon, CA 94583

(925) 939-8585

✔ Accepts MedicareSame address

Azadeh Oien, DPT

Physical Therapist in Private Practice

NPI 1174875777

5201 NORRIS CANYON RD STE 200
San Ramon, CA 94583

(925) 939-8585

✔ Accepts MedicareSame address

Amanda Pazooki, P.T.

Physical Therapist in Private Practice

NPI 1639424161

5201 NORRIS CANYON RD
San Ramon, CA 94583

(925) 939-8585

✔ Accepts MedicareSame address

Jason Prestosa, PT, DPT

Physical Therapist in Private Practice

NPI 1568837532

5201 NORRIS CANYON RD STE 230
San Ramon, CA 94583

(925) 939-8585

✔ Accepts MedicareSame address

Kayla Utley, DPT

Physical Therapist in Private Practice

NPI 1568063311

5201 NORRIS CANYON RD STE 230
San Ramon, CA 94583

(925) 939-8585

✔ Accepts MedicareSame address

Karina Masoian

Physical Therapist in Private Practice

NPI 1457279754

12647 ALCOSTA BLVD STE 100
San Ramon, CA 94583

(925) 210-8530

0.3 mi

Margaret Cary, PT

Physical Therapist in Private Practice

NPI 1770550394

12647 ALCOSTA BLVD STE 100
San Ramon, CA 94583

(925) 939-8585

✔ Accepts Medicare0.4 mi

Jessica Endo, PT, DPT

Physical Therapist in Private Practice

NPI 1558818872

12647 ALCOSTA BLVD STE 100
San Ramon, CA 94583

(925) 939-8585

✔ Accepts Medicare0.4 mi

Jeanina Ng

Occupational Therapist in Private Practice

NPI 1760235659

12647 ALCOSTA BLVD STE 100
San Ramon, CA 94583

(925) 210-8530

✔ Accepts Medicare0.4 mi

Deborah Vanderbilt- Anderson, OT

Occupational Therapist in Private Practice

NPI 1598732109

12647 ALCOSTA BLVD STE 100
San Ramon, CA 94583

(259) 398-9585

0.4 mi

Ella Mcdonald, MOT OTR/L

Occupational Therapist in Private Practice

NPI 1942006655

12647 ALCOSTA BLVD STE 100
San Ramon, CA 94583

(925) 210-8503

✔ Accepts Medicare0.4 mi

Jasmine Mehta, P.T

Physical Therapist in Private Practice

NPI 1548719404

12647 ALCOSTA BLVD STE 100
San Ramon, CA 94583

(925) 939-8585

✔ Accepts Medicare0.4 mi

Jessica Sanchez, PT, DPT, ATC

Physical Therapist in Private Practice

NPI 1326640855

12647 ALCOSTA BLVD STE 100
San Ramon, CA 94583

(925) 210-8530

✔ Accepts Medicare0.4 mi

Anna Luo, OD

Optometry

NPI 1154934552

3191 CROW CANYON PL
San Ramon, CA 94583

(925) 244-1400

✔ PECOS0.6 mi

Mir Ali, M.D.

Anesthesiology

NPI 1417912726

200 PORTER DR
San Ramon, CA 94583

(925) 838-6880

✔ PECOS✔ Accepts Medicare1.7 mi

Apurva Ambekar, PT, DPT

Physical Therapist in Private Practice

NPI 1467957662

4626 WILLOW RD
Pleasanton, CA 94588

(925) 463-0470

6.8 mi

Alexander Bradley, MD

Orthopedic Surgery

NPI 1194259077

4000 DUBLIN BLVD STE 100
Dublin, CA 94568

(925) 939-8585

✔ PECOS✔ Accepts Medicare6.9 mi

Andrew Hou, MD

Physical Medicine and Rehabilitation

NPI 1942352489

4000 DUBLIN BLVD STE 100
Dublin, CA 94568

(925) 939-8585

✔ PECOS✔ Accepts Medicare6.9 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 1952656050. It was assigned to this organization in the NPPES registry on July 16, 2012.

Where is Golden State Orthopedics & Spine located?

Golden State Orthopedics & Spine is located at 5201 Norris Canyon Rd Ste 300, San Ramon, CA 94583. 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, 7 practice at this address and 27 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.