Dr. Corey T. Walker, M.D.
Neurosurgery (Neurological Surgery Physician)
8700 Beverly Blvd
West Hollywood, CA 90048
Who else practices at this address →
Los Angeles County includes primary care (7% of residents) and mental health (13% of residents) shortage areas. About shortage areas
- Medicare participating
At a glance
- Medical school
- University of Rochester School of Medicine and Dentistry (2014)
- Years since graduation
- 12
- In the NPI registry since
- 2014
- Medicare patients seen, 2024
- 295
Licensed in California since 2019, according to the Medical Board of California. We show license dates only for the states that publish them in bulk; see which states do. For other states, check the state medical board.
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2014Medical school: University of Rochester School of Medicine and Dentistry
- 2014Registered with an NPI (national billing number; not a license date)
Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Neurological Surgery Physician primary
CA license A166677 (first issued 2019; current) - Student in an Organized Health Care Education/Training Program
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Cedars-Sinai Medical Center Los Angeles, CA
- Providence Cedars Sinai Tarzana Medical Center Tarzana, CA
Medical groups
- Cedars-Sinai Medical Care Foundation (1,692 clinicians)
- Cedars-Sinai Medical Center (799 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 295
- Services billed
- 791
- Patients’ average age
- 74
| Service | Times | Patients |
|---|---|---|
| New patient office or other outpatient visit, 45-59 minutes | 106 | 106 |
| Established patient office or other outpatient visit, 20-29 minutes | 70 | 53 |
| Established patient office or other outpatient visit, 10-19 minutes | 41 | 34 |
| New patient office or other outpatient visit, 30-44 minutes | 41 | 41 |
| Fusion of additional segment of spine | 40 | 12 |
| Insertion of cage or mesh device to spine bone and disc space during spine fusion | 29 | 19 |
| Established patient office or other outpatient visit, 30-39 minutes | 19 | 15 |
| Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment | 18 | 17 |
| Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment | 13 | 12 |
| Established patient office or other outpatient visit, 40-54 minutes | 12 | 11 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Medicare prescriptions
| Drug | Prescriptions |
|---|---|
| Tramadol Hcl Other prescribers in West Hollywood, CA | 11 |
Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.
Payments from drug and device companies
In 2025, 9 companies reported 53 payments worth $44,350 in total to this clinician.
| Alphatec Spine, Inc | $40,234 |
|---|---|
| Saxum Surgical, Inc. | $1,504 |
| Arthrex, Inc. | $1,398 |
| Medtronic, Inc. | $431 |
| Globus Medical, Inc. | $267 |
| Happe Spine | $251 |
| Baxter Healthcare | $149 |
| Stryker Corporation | $89.34 |
| Consulting Fee | $34,680 |
|---|---|
| Travel and Lodging | $5,776 |
| Food and Beverage | $3,894 |
What the payments were for
| Company | What it was for | Amount |
|---|---|---|
| Alphatec Spine, Inc Mar 27, 2025 | Consulting Fee Other - Miscellaneous · Orthopedics/Orthopedic Surgery Company’s descriptionMAR 7-8,2025 : PTP COURSE, EOS- VALENCE LAB | $9,180 |
| Alphatec Spine, Inc Aug 14, 2025 | Consulting Fee Other - Miscellaneous · Orthopedics/Orthopedic Surgery Company’s descriptionAUG 1-2,2025: ARTEMIS MIS - R&D | $8,625 |
| Alphatec Spine, Inc Feb 13, 2025 | Consulting Fee Other - Miscellaneous · Orthopedics/Orthopedic Surgery | $8,000 |
| Alphatec Spine, Inc Dec 31, 2025 | Consulting Fee Other - Miscellaneous · Orthopedics/Orthopedic Surgery Company’s descriptionArtemis MIS, calls and proto lab | $5,250 |
| Alphatec Spine, Inc Feb 10, 2025 | Consulting FeeCompany’s descriptionJAN 11,2025: PTP LAB TEACHING | $3,625 |
| Alphatec Spine, Inc Feb 6, 2025 | Travel and Lodging Other - Miscellaneous · Orthopedics/Orthopedic Surgery · travel to CARLSBAD, CA · in-kind | $1,227 |
| Alphatec Spine, Inc Apr 21, 2025 | Travel and Lodging Other - Miscellaneous · Orthopedics/Orthopedic Surgery · travel to SAN DIEGO, CA · in-kind | $1,146 |
| Saxum Surgical, Inc. Nov 20, 2025 | Travel and Lodging travel to Naples, FL · in-kind Company’s descriptionTransfer of value related to products manufactured by Arthrex | $617 |
| Alphatec Spine, Inc Apr 3, 2025 | Travel and Lodging Other - Miscellaneous · Orthopedics/Orthopedic Surgery · travel to CARLSBAD, CA · in-kind | $526 |
| Arthrex, Inc. Jan 24, 2025 | Travel and Lodging travel to Naples, FL · in-kind Company’s descriptionAccomodation - Event Day 2 | $438 |
All 18 payments other than meals, newest first
| Company | What it was for | Amount |
|---|---|---|
| Alphatec Spine, Inc Dec 31, 2025 | Consulting Fee Other - Miscellaneous · Orthopedics/Orthopedic Surgery Company’s descriptionArtemis MIS, calls and proto lab | $5,250 |
| Saxum Surgical, Inc. Nov 20, 2025 | Travel and Lodging travel to Naples, FL · in-kind Company’s descriptionTransfer of value related to products manufactured by Arthrex | $617 |
| Arthrex, Inc. Nov 20, 2025 | Travel and Lodging travel to Naples, FL · in-kind Company’s descriptionAccomodation - Event Day 1 | $244 |
| Alphatec Spine, Inc Sep 11, 2025 | Travel and Lodging Other - Miscellaneous · Orthopedics/Orthopedic Surgery · travel to CARLSBAD, CA · in-kind | $184 |
| Alphatec Spine, Inc Sep 11, 2025 | Travel and Lodging Other - Miscellaneous · Orthopedics/Orthopedic Surgery · travel to CARLSBAD, CA · in-kind | $58.00 |
| Alphatec Spine, Inc Aug 14, 2025 | Consulting Fee Other - Miscellaneous · Orthopedics/Orthopedic Surgery Company’s descriptionAUG 1-2,2025: ARTEMIS MIS - R&D | $8,625 |
| Medtronic, Inc. Jul 21, 2025 | Travel and Lodging travel to Cabo San Lucas, Mexico · in-kind | $156 |
| Alphatec Spine, Inc May 1, 2025 | Travel and Lodging Invictus MIS · Orthopedics/Orthopedic Surgery · travel to Carlsbad, CA · in-kind | $38.47 |
| Alphatec Spine, Inc Apr 21, 2025 | Travel and Lodging Other - Miscellaneous · Orthopedics/Orthopedic Surgery · travel to SAN DIEGO, CA · in-kind | $1,146 |
| Alphatec Spine, Inc Apr 3, 2025 | Travel and Lodging Other - Miscellaneous · Orthopedics/Orthopedic Surgery · travel to CARLSBAD, CA · in-kind | $526 |
| Alphatec Spine, Inc Mar 27, 2025 | Consulting Fee Other - Miscellaneous · Orthopedics/Orthopedic Surgery Company’s descriptionMAR 7-8,2025 : PTP COURSE, EOS- VALENCE LAB | $9,180 |
| Alphatec Spine, Inc Feb 13, 2025 | Consulting Fee Other - Miscellaneous · Orthopedics/Orthopedic Surgery | $8,000 |
| Alphatec Spine, Inc Feb 10, 2025 | Consulting FeeCompany’s descriptionJAN 11,2025: PTP LAB TEACHING | $3,625 |
| Alphatec Spine, Inc Feb 6, 2025 | Travel and Lodging Other - Miscellaneous · Orthopedics/Orthopedic Surgery · travel to CARLSBAD, CA · in-kind | $1,227 |
| Arthrex, Inc. Jan 24, 2025 | Travel and Lodging travel to Naples, FL · in-kind Company’s descriptionAccomodation - Event Day 2 | $438 |
| Arthrex, Inc. Jan 23, 2025 | Travel and Lodging travel to Naples, FL · in-kind Company’s descriptionAccomodation - Event Day 1 | $438 |
| Saxum Surgical, Inc. Jan 23, 2025 | Travel and Lodging travel to Naples, FL · in-kind Company’s descriptionTransfer of value related to products manufactured by Arthrex | $394 |
| Saxum Surgical, Inc. Jan 23, 2025 | Travel and Lodging travel to Naples, FL · in-kind Company’s descriptionTransfer of value related to products manufactured by Arthrex | $308 |
Each payment as the company reported it, with the products it named. Meals are counted in the totals above but not listed one by one.
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.