Caleb Hsieh, M.D.
Critical Care (Intensivists) · Internal Medicine · Pulmonary Disease · Sleep Medicine (CMS) · Torrance, CA
At a glance
23550 Hawthorne Blvd Ste 180, Torrance, CA 90505-4721
NPPES record updated Dec 16, 2020. 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
23550 Hawthorne Blvd Ste 180Torrance, CA 90505-4721
Additional reported practice locations
14445 Olive View Drive#2B182
Los Angeles, CA 91342
Phone: 8183643205
Education & affiliations
- Medical / professional school
- Northwestern University Feinberg Medical School
- Graduation year
- 2013
- CMS specialties
- Critical Care (Intensivists) · Internal Medicine · Pulmonary Disease · Sleep Medicine
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
Reported hospital affiliations
- Providence Little Company Of Mary Med Ctr Torrance Torrance, CA
- Ronald Reagan Ucla Medical Center Los Angeles, CA
- Santa Monica - Ucla Med Ctr & Orthopaedic Hospital Santa Monica, CA
- Torrance Memorial Medical Center Torrance, 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.
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
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
- Critical Care (Intensivists) · Internal Medicine · Pulmonary Disease · Sleep Medicine (CMS)
- Taxonomy code
- 207RP1001X
- Enumeration date
- Apr 1, 2013
- Record updated
- Dec 16, 2020
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
390200000X
207RP1001X · Primary
License reported: A134543 CA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
23550 Hawthorne Blvd Ste 180Torrance, CA 90505-4721
- Phone
- (310) 378-7533
- Fax
- (310) 378-6677
Mailing address
5767 W CENTURY BLVD STE 400LOS ANGELES, CA 900455631
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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