Dr James R Mason, MD - Medicare Medical Oncology in La Jolla, CA

Dr James R Mason, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in La Jolla, California. He went to University Of California, San Francisco School Of Medicine and graduated in 1984 and has 40 years of diverse experience with area of expertise as Medical Oncology. He is a member of the group practice Scripps Health and his current practice location is 10710 N Torrey Pines Rd, La Jolla, California. You can reach out to his office (for appointments etc.) via phone at (858) 554-8597.

Dr James R Mason is licensed to practice in California (license number G56827) 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 1497717730.

Contact Information

Dr James R Mason, MD
10710 N Torrey Pines Rd,
La Jolla, CA 92037-1035
(858) 554-8597
Not Available

Map and Direction




Physician's Profile

Full NameDr James R Mason
GenderMale
SpecialityMedical Oncology
Experience40 Years
Location10710 N Torrey Pines Rd, La Jolla, 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:
  • Dr James R Mason attended and graduated from University Of California, San Francisco School Of Medicine in 1984
  NPI Data:
  • NPI Number: 1497717730
  • Provider Enumeration Date: 04/03/2006
  • Last Update Date: 12/03/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 8022148741
  • Enrollment ID: I20100607000545

Medical Identifiers

Medical identifiers for Dr James R Mason such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1497717730NPI-NPPES
00G568270MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology G56827 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Scripps Green HospitalLa jolla, CAHospital
Scripps Memorial Hospital - EncinitasEncinitas, CAHospital
Scripps Mercy HospitalSan diego, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Scripps Health92340338531362

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. Dr James R Mason allows following entities to bill medicare on his behalf.
Entity NameScripps Health
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1881636108
PECOS PAC ID: 9234033853
Enrollment ID: O20031124000822

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. Dr James R Mason 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
Dr James R Mason, MD
10790 Rancho Bernardo Rd,
San Diego, CA 92127-5705

Ph: (858) 554-8597
Dr James R Mason, MD
10710 N Torrey Pines Rd,
La Jolla, CA 92037-1035

Ph: (858) 554-8597

Reviews and Comments


Internal Medicine Doctors in La Jolla, CA

Dr. John Sturdivant Andrews, MD
Hematology & Oncology
Medicare: Medicare Enrolled
Practice Location: 1223 Via Barranca, La Jolla, CA 92037
Phone: 858-775-1976    
Dr. Mark C Adrian, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 9850 Genesee Ave, Suite 355, La Jolla, CA 92037
Phone: 858-202-0011    
Dr. Erminia M. Guarneri, M.D.
Hematology & Oncology
Medicare: Not Enrolled in Medicare
Practice Location: 10666 N Torrey Pines Rd, La Jolla, CA 92037
Phone: 858-554-3330    Fax: 858-784-5933
Dr. Eric Hong, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 9834 Genesee Ave, Suite 300, La Jolla, CA 92037
Phone: 858-824-2900    Fax: 858-824-2910
Katrina Deleon, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 10666 N Torrey Pines Rd, La Jolla, CA 92037
Phone: 858-554-6158    
Abhishek Gadre, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 9300 Campus Point Dr, La Jolla, CA 92037
Phone: 858-657-7118    
Kamran Hussain Imam, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 10666 N Torrey Pines Rd, La Jolla, CA 92037
Phone: 858-554-6158    

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.

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