Derek Q Phan, MD - Medicare Internal Medicine in Temescal Valley, CA

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Derek Q Phan, MD is a medicare enrolled "Internal Medicine - Cardiovascular Disease" physician in Temescal Valley, California. He graduated from medical school in 2014 and has 10 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Hays Medical Center Inc, Thedacare Incorporated and his current practice location is 21634 Retreat Pkwy, Temescal Valley, California. You can reach out to his office (for appointments etc.) via phone at (951) 493-6650.

Derek Q Phan is licensed to practice in Wisconsin (license number 100522) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1598184244.

Contact Information

Derek Q Phan, MD
21634 Retreat Pkwy,
Temescal Valley, CA 92883-6100
(951) 493-6650
Not Available

Map and Direction




Physician's Profile

Full NameDerek Q Phan
GenderMale
SpecialityInternal Medicine
Experience10 Years
Location21634 Retreat Pkwy, Temescal Valley, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Derek Q Phan graduated from medical school in 2014
  NPI Data:
  • NPI Number: 1598184244
  • Provider Enumeration Date: 04/09/2014
  • Last Update Date: 07/31/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 1355612136
  • Enrollment ID: I20180316001855

Medical Identifiers

Medical identifiers for Derek Q Phan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1598184244NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine MD61123756 (Washington)Secondary
207RC0000XInternal Medicine - Cardiovascular Disease 0447579 (Kansas)Secondary
207RC0000XInternal Medicine - Cardiovascular Disease A138554 (California)Secondary
207RI0011XInternal Medicine - Interventional Cardiology 100522 (Wisconsin)Secondary
207RI0011XInternal Medicine - Interventional Cardiology MD61123756 (Washington)Secondary
207RI0011XInternal Medicine - Interventional Cardiology 0447579 (Kansas)Secondary
207RI0011XInternal Medicine - Interventional Cardiology A138554 (California)Secondary
207RC0000XInternal Medicine - Cardiovascular Disease 100522 (Wisconsin)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Thedacare Regional Medical Center - Appleton IncAppleton, WIHospital
Hays Medical CenterHays, KSHospital
Corona Regional Medical CenterCorona, CAHospital
Kaiser Foundation Hospital - Los AngelesLos angeles, CAHospital
John F Kennedy Memorial HospitalIndio, CAHospital

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Derek Q Phan allows following entities to bill medicare on his behalf.
Entity NameSouthern California Permanente Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1770515280
PECOS PAC ID: 6002729175
Enrollment ID: O20031110000678
Entity NameRiverside Medical Clinic Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1720183403
PECOS PAC ID: 2961492327
Enrollment ID: O20040517000880
Entity NameDerek Q Phan Md Medical Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1851075907
PECOS PAC ID: 9931560778
Enrollment ID: O20230726003474

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Derek Q Phan is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Derek Q Phan, MD
10798 Jurupa Rd, Po Box 136,
Jurupa Valley, CA 91752

Ph: (213) 569-1450		Derek Q Phan, MD
21634 Retreat Pkwy,
Temescal Valley, CA 92883-6100

Ph: (951) 493-6650

Reviews and Comments


Internal Medicine Doctors in Temescal Valley, CA

Mandira Manoj Patel, DO
Cardiovascular Disease
Medicare: Medicare Enrolled
Practice Location: 21634 Retreat Pkwy, Temescal Valley, CA 92883
Phone: 951-493-6905    Fax: 951-826-8120

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.