Xin Chen, M.D.
Internal Medicine (CMS) · Hawthorne, CA
At a glance
4455 W 117Th St Ste 502, Hawthorne, CA 90250-2261
NPPES record updated Dec 7, 2023. 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
4455 W 117Th St Ste 502Hawthorne, CA 90250-2261
Additional reported practice locations
1414 S Grand Ave Ste 456Los Angeles, CA 900153071
Phone: 4088231252
Education & affiliations
- Medical / professional school
- University Of Toledo College Of Medicine
- Graduation year
- 2016
- CMS specialties
- Internal Medicine
Practice groups
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.
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
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 | $214.44 |
Reporting companies
| Company | Amount |
|---|---|
| RADIUS HEALTH, INC. | $54.08 |
| ABBOTT LABORATORIES | $53.76 |
| IONIS PHARMACEUTICALS, INC. | $31.29 |
| TANDEM DIABETES CARE, INC. | $30.32 |
| LILLY USA, LLC | $27.37 |
| XERIS PHARMACEUTICALS, INC. | $17.62 |
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
- Internal Medicine (CMS)
- Taxonomy code
- 207RE0101X
- Enumeration date
- Apr 13, 2016
- Record updated
- Dec 7, 2023
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207RE0101X · Primary
License reported: A155042 CA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
4455 W 117Th St Ste 502Hawthorne, CA 90250-2261
- Phone
- (424) 236-4800
Mailing address
2550 W MAIN ST STE 301ALHAMBRA, CA 918017003
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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