Benjamin Yim, M.D.
Neurosurgery (CMS) · Walnut Creek, CA
At a glance
120 La Casa Via Ste 102, Walnut Creek, CA 94598-3092
Published activity: Laminectomy or laminotomy (partial removal of spine bones) · Leg revascularization (restoring blood flow) · Spinal fusion. View counts and coverage
NPPES record updated May 1, 2025. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
120 La Casa Via Ste 102Walnut Creek, CA 94598-3092
Education & affiliations
- Medical / professional school
- Albany Medical College Of Union University
- Graduation year
- 2014
- CMS specialties
- Neurosurgery
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
- Bass Medical Group
- Benjamin Yim Md Apc
- John Muir Trauma Physicians Billing Service
- Northbay Health Medical Foundation
Reported hospital affiliations
- John Muir Medical Center - Concord Campus Concord, CA
- John Muir Medical Center - Walnut Creek Campus Walnut Creek, CA
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Laminectomy or laminotomy (partial removal of spine bones) | 29 |
| Leg revascularization (restoring blood flow) | 1-10 |
| Spinal fusion | 74 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Consulting fee | $42,625.00 |
| Travel and lodging | $32,241.19 |
| Services other than consulting | $16,900.00 |
| Food and beverage | $2,770.42 |
Reporting companies
| Company | Amount |
|---|---|
| RAPID MEDICAL LTD | $30,347.79 |
| QAPEL MEDICAL INC | $15,143.34 |
| STRYKER CORPORATION | $14,227.23 |
| PENUMBRA, INC. | $11,687.76 |
| MEDICAL DEVICE BUSINESS SERVICES, INC. | $9,758.78 |
| MICROVENTION, INC. | $8,779.99 |
| KANEKA MEDICAL AMERICA LLC | $2,696.22 |
| IMPERATIVE CARE, INC | $1,821.94 |
| Other reporting companies | $73.56 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Neurosurgery (CMS)
- Taxonomy code
- 207T00000X
- Enumeration date
- May 12, 2014
- Record updated
- May 1, 2025
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207T00000X · Primary
License reported: A143498 CA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
120 La Casa Via Ste 102Walnut Creek, CA 94598-3092
- Phone
- (925) 867-1900
Mailing address
130 LA CASA VIA STE 210WALNUT CREEK, CA 945983035
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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