Derek Q Phan, MD
Cardiovascular Disease · Temescal Valley, CA
At a glance
21634 Retreat Pkwy, Temescal Valley, CA 92883-6100
Published activity: Coronary angioplasty and stenting. View counts and coverage
NPPES record updated Jul 31, 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
21634 Retreat PkwyTemescal Valley, CA 92883-6100
Additional reported practice locations
4733 W Sunset BlvdLos Angeles, CA 900276021
Phone: 2378340113 800 S Main St
Corona, CA 928823420
Phone: 2135691450 1818 N Meade St
Appleton, WI 549113454
Phone: 9207318900
Fax: 9207385369
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2014
- CMS specialties
- Internal Medicine
Practice groups
Reported hospital affiliations
- Kaiser Foundation Hospital - Los Angeles Los Angeles, 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 |
|---|---|
| Coronary angioplasty and stenting | 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 | $120.92 |
Reporting companies
| Company | Amount |
|---|---|
| BOSTON SCIENTIFIC CORPORATION | $120.92 |
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
- Cardiovascular Disease
- Taxonomy code
- 207RC0000X
- Enumeration date
- Apr 9, 2014
- Record updated
- Jul 31, 2023
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
207R00000X
License reported: MD61123756 WA
207RC0000X
License reported: 0447579 KS
207RC0000X
License reported: A138554 CA
207RI0011X
License reported: 100522 WI
207RI0011X
License reported: MD61123756 WA
207RI0011X
License reported: 0447579 KS
207RI0011X
License reported: A138554 CA
207RC0000X · Primary
License reported: 100522 WI
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
21634 Retreat PkwyTemescal Valley, CA 92883-6100
- Phone
- (951) 493-6650
Mailing address
10798 JURUPA RDPO BOX 136
JURUPA VALLEY, CA 91752
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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