Steven Sarkis Zourabian, D.O.
Orthopedic Surgery (CMS) · Castro Valley, CA
At a glance
19842 Lake Chabot Rd, Castro Valley, CA 94546-4002
Published activity: Hip replacement · Knee replacement · Removal of tissue. View counts and coverage
NPPES record updated Mar 19, 2026. 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
19842 Lake Chabot RdCastro Valley, CA 94546-4002
Additional reported practice locations
350 Hawthorne AveOakland, CA 946093108
Phone: 5106554000
Fax: 5108699688
Education & affiliations
- Medical / professional school
- Lake Erie College Of Osteopathic Medicine, Erie
- Graduation year
- 2016
- CMS specialties
- Orthopedic Surgery
Practice groups
- Bass Medical Group
- County Of San Joaquin
- Orion Orthopaedic Trauma Inc
- San Joaquin Faculty Medical Group
- Sutter Bay Medical Foundation
Reported hospital affiliations
- Alta Bates Summit Medical Center - Alta Bates Camp Berkeley, CA
- Doctors Medical Center Modesto, CA
- Eden Medical Center Castro Valley, CA
- Memorial Medical Center Modesto, CA
- San Joaquin General Hospital French Camp, 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 |
|---|---|
| Hip replacement | 13 |
| Knee replacement | 1-10 |
| Removal of tissue | 1-10 |
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 |
|---|---|
| Food and beverage | $151.05 |
Reporting companies
| Company | Amount |
|---|---|
| DEPUY SYNTHES SALES INC. | $128.96 |
| ACERA SURGICAL, INC. | $22.09 |
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
- Orthopedic Surgery (CMS)
- Taxonomy code
- 207XX0801X
- Enumeration date
- May 3, 2016
- Record updated
- Mar 19, 2026
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- D.O.
Reported taxonomies and licenses
207XX0801X · Primary
License reported: 20A15813 CA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
19842 Lake Chabot RdCastro Valley, CA 94546-4002
- Phone
- (510) 750-1967
- Fax
- (844) 718-0067
Mailing address
19842 LAKE CHABOT RDCASTRO VALLEY, CA 945464002
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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