Individual Healthcare Provider
Gideon Blumstein, MD, MS
Provider's NPPES record last updated: December 15, 2022
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1164819207
- Primary Specialty
- Orthopaedic Surgery — Orthopaedic Surgery of the Spine
- Practice Location
- Marina Del Rey, California
- Sole Proprietor
- No
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 21, 2026, 12:48 AM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Orthopaedic Surgery
Orthopaedic Surgery of the Spine
Allopathic & Osteopathic Physicians
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.
Taxonomy code 207XS0117X Student in an Organized Health Care Education/Training Program
Student, Health Care
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
Taxonomy code 390200000X
Provider-Reported License Information
- Orthopaedic Surgery (California)
- A149225
- Orthopaedic Surgery (Illinois)
- 036.155746
Practice Locations
Practice Location
4640 Admiralty Way Ste 600
Marina Del Rey, California 90292-6638
Phone: (310) 448-7890
Additional Practice Location
10833 Le Conte Ave Rm 76-143
Los Angeles, California 90095-3075
Phone: (310) 825-6557
Additional Practice Location
1611 W Harrison St Ste 201
Chicago, Illinois 60612-4861
Phone: (312) 563-6306
Fax: (312) 942-2040
Record Information
- Enumeration Date
- April 15, 2015
- Provider's NPPES Record Last Updated
- December 15, 2022
- Certification Date
- December 15, 2022
- NPISignal NPPES Dataset
- August 2026
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