Duane Koh
Anesthesiology (CMS) · Orange, CA
At a glance
333 City Blvd W Ste 2150, Orange, CA 92868-5920
NPPES record updated Nov 22, 2021. 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
333 City Blvd W Ste 2150Orange, CA 92868-5920
Education & affiliations
- Medical / professional school
- University Of Pittsburgh School Of Medicine
- Graduation year
- 2014
- CMS specialties
- Anesthesiology
Practice groups
Reported hospital affiliations
- Usc Verdugo Hills Hospital Glendale, 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.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
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.
Service-mix comparison is unavailable for this NPI in the imported Medicare service file.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
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
- Anesthesiology (CMS)
- Taxonomy code
- 390200000X
- Enumeration date
- Jun 23, 2014
- Record updated
- Nov 22, 2021
More registry details
- Provider type
- Individual · Type 1
Reported taxonomies and licenses
390200000X · Primary
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
333 City Blvd W Ste 2150Orange, CA 92868-5920
- Phone
- (714) 456-6661
Mailing address
16843 ROOSEVELT LNHUNTINGTON BEACH, CA 926494002
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
Report a directory issue