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JOSEF E. GOREK MD
NPI 1407908205
Orthopaedic Surgery - Orthopaedic Surgery of the Spine in Oakland, CA

Active since January 18, 2007PECOS Enrolled
275 W MACARTHUR, OAKLAND, CA 94611(510) 752-1000 Get Directions Write a Review

NPPES record last updated: January 26, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Josef E. Gorek Md NPPES

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

JOSEF E. GOREK MD (NPI 1407908205) is an individual orthopaedic surgery of the spine provider in Oakland, California, licensed in California (G71664) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1407908205
Entity TypeIndividualMale
Primary Taxonomy207XS0117X
Provider Legal NameJOSEF E. GOREKCredential: MD
Location Address275 W MACARTHUROakland, CA 94611-5641
Mailing Address275 W MacarthurOakland, CA 94611-5641 · (510) 752-1000
Phone(510) 752-1000
Sole ProprietorNo
Enumeration DateJanuary 18, 2007
Last NPPES UpdateJanuary 26, 2022
NPPES CertifiedJanuary 26, 2022
✔ NPI 1407908205 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic Surgery · Orthopaedic Surgery of the SpineAllopathic & Osteopathic Physicians
Taxonomy Code207XS0117X
License✔ Licensed in CA · G71664
Definition
Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, orthopaedic surgeons of the spine deal with the evaluation and nonoperative and operative treatment of the full spectrum of primary spinal disorders including trauma, degenerative, deformity, tumor, and reconstructive.
275 W MACARTHUR, Oakland, CA 94611
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Other Identifiers 1

Medicaid00G716640CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Josef E. Gorek Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Josef Gorek reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
10 mi
Internal Medicine
901 NEVIN
Richmond, CA 94801
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1235226531 (510) 307-1555

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

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LUCAS C. VAN DYKE MD
Psychiatry & Neurology (Psychiatry)
275 W MACARTHUR
OAKLAND, CA 94611
Alameda County (510) 752-1000
SUZANNE P WHITCOMB PT
Physical Therapist
275 W MACARTHUR
OAKLAND, CA 94611
Alameda County (510) 752-1000
JENNIFER I. HARRIS MD
Emergency Medicine
275 W MACARTHUR
OAKLAND, CA 94611
Alameda County (510) 752-1000
MISS DENITZA V HRISTOVA PT
Physical Therapist
275 W MACARTHUR
OAKLAND, CA 94611
Alameda County (510) 752-1000
ANNA WONG PSY
Psychologist (Clinical)
275 W MACARTHUR
OAKLAND, CA 94611
Alameda County (510) 752-1000
CHEE C. CHOW MD
Internal Medicine (Rheumatology)
275 W MACARTHUR
OAKLAND, CA 94611
Alameda County (510) 752-1000
MR. KEITH M. THIBAULT NP
Nurse Practitioner
275 W MACARTHUR
OAKLAND, CA 94611
Alameda County (510) 752-1000
DAVID B. POOR DDS
Dentist (Oral and Maxillofacial Surgery)
275 W MACARTHUR
OAKLAND, CA 94611
Alameda County (510) 752-1000

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 Josef Gorek's NPI number?

The NPI number for Josef Gorek is 1407908205. It was assigned to this individual provider in the NPPES registry on January 18, 2007.

Where is Josef Gorek located?

Josef Gorek practices at 275 W Macarthur, Oakland, CA 94611. The listed phone number is (510) 752-1000.

What is Josef Gorek's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Orthopaedic Surgery of the Spine, with taxonomy code 207XS0117X.

Is Josef Gorek enrolled in Medicare?

Yes. Josef Gorek is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Josef Gorek's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Josef Gorek reassigns Medicare benefits to Permanente Medical Group Inc (Richmond, CA). The 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 Josef Gorek's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Josef Gorek was last updated on January 26, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.