Jun Ma, MD - Medicare Hospitalist in Woodland Hills, CA

Jun Ma, MD is a medicare enrolled "Hospitalist" physician in Woodland Hills, California. He went to Wayne State University School Of Medicine and graduated in 2012 and has 12 years of diverse experience with area of expertise as Hospitalist. He is a member of the group practice Southern California Permanente Medical Group and his current practice location is 5601 De Soto Ave, Department Of Internal Medicine, Woodland Hills, California. You can reach out to his office (for appointments etc.) via phone at (818) 719-2000.

Jun Ma is licensed to practice in California (license number A128690) 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 1861752321.

Contact Information

Jun Ma, MD
5601 De Soto Ave, Department Of Internal Medicine,
Woodland Hills, CA 91367-6701
(818) 719-2000
(818) 719-2000

Map and Direction




Physician's Profile

Full NameJun Ma
GenderMale
SpecialityHospitalist
Experience12 Years
Location5601 De Soto Ave, Woodland Hills, 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:
  • Jun Ma attended and graduated from Wayne State University School Of Medicine in 2012
  NPI Data:
  • NPI Number: 1861752321
  • Provider Enumeration Date: 05/17/2012
  • Last Update Date: 11/29/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 4385953165
  • Enrollment ID: I20151016002306

Medical Identifiers

Medical identifiers for Jun Ma such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1861752321NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208M00000XHospitalist A128690 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Kaiser Foundation Hospital - South BayHarbor city, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Southern California Permanente Medical Group60027291757951

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. Jun Ma 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

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. Jun Ma 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
Jun Ma, MD
393 E Walnut St, Phr Group Provider Enrollment Unit 3rd Fl,
Pasadena, CA 91188-0001

Ph: (877) 608-0044
Jun Ma, MD
5601 De Soto Ave, Department Of Internal Medicine,
Woodland Hills, CA 91367-6701

Ph: (818) 719-2000

Reviews and Comments


Hospitalist Doctors in Woodland Hills, CA

Sewon Oum, M.D.
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 5601 De Soto Ave, Woodland Hills, CA 91367
Phone: 818-719-2000    
Dr. David Richard Ton, MD
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 5601 De Soto Ave, Department Of Internal Medicine, Woodland Hills, CA 91367
Phone: 818-719-2000    
Dr. Rajeev Sharma, MD
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 5601 De Soto Ave, Woodland Hills, CA 91367
Phone: 866-574-2273    
Dr. Christopher Dan, DO
Hospitalist
Medicare: Medicare Enrolled
Practice Location: 20301 Ventura Blvd Ste 210, Woodland Hills, CA 91364
Phone: 818-346-4300    
Lorraine J. Pena, MD
Hospitalist
Medicare: Medicare Enrolled
Practice Location: 5601 De Soto Ave, Woodland Hills, CA 91367
Phone: 818-719-2000    
Dr. Nicholas William Roueiheb, D.O, MPH
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 5601 De Soto Ave, Woodland Hills, CA 91367
Phone: 818-719-4896    

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.