Dr Roslyn Mianglee Chaisanguanthum, MD - Medicare Hematology/oncology in Sylmar, CA

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Dr Roslyn Mianglee Chaisanguanthum, MD is a medicare enrolled "Specialist" physician in Sylmar, California. She went to University Of California, Geffen School Of Medicine and graduated in 2002 and has 24 years of diverse experience with area of expertise as Hematology/oncology. She is a member of the group practice Southern California Permanente Medical Group and her current practice location is 14445 Olive View Dr, Room 2b-182, Sylmar, California. You can reach out to her office (for appointments etc.) via phone at (818) 364-3205.

Dr Roslyn Mianglee Chaisanguanthum is licensed to practice in California (license number A84781) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1174726954.

Contact Information

Dr Roslyn Mianglee Chaisanguanthum, MD
14445 Olive View Dr, Room 2b-182,
Sylmar, CA 91342-1437
(818) 364-3205
Not Available

Map and Direction




Physician's Profile

Full NameDr Roslyn Mianglee Chaisanguanthum
GenderFemale
SpecialityHematology/oncology
Experience24 Years
Location14445 Olive View Dr, Sylmar, California
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Roslyn Mianglee Chaisanguanthum attended and graduated from University Of California, Geffen School Of Medicine in 2002
  NPI Data:
  • NPI Number: 1174726954
  • Provider Enumeration Date: 06/07/2007
  • Last Update Date: 02/03/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 0840379236
  • Enrollment ID: I20080509000700

Medical Identifiers

Medical identifiers for Dr Roslyn Mianglee Chaisanguanthum such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1174726954NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology MD70065738 (Washington)Secondary
174400000XSpecialist A84781 (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 Group60027291759038

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 Roslyn Mianglee Chaisanguanthum allows following entities to bill medicare on her 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. Dr Roslyn Mianglee Chaisanguanthum 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 Roslyn Mianglee Chaisanguanthum, MD
11356 Missouri Ave,
Los Angeles, CA 90025-5554

Ph: (626) 378-2209		Dr Roslyn Mianglee Chaisanguanthum, MD
14445 Olive View Dr, Room 2b-182,
Sylmar, CA 91342-1437

Ph: (818) 364-3205

Reviews and Comments



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.