Rex D Chang, MD - Medicare Family Medicine in El Segundo, CA

Rex D Chang, MD is a medicare enrolled "Family Medicine" physician in El Segundo, California. His current practice location is 2110 E El Segundo Blvd, El Segundo, California. You can reach out to his office (for appointments etc.) via phone at (310) 517-7010.

Rex D Chang is licensed to practice in California (license number A193710) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1174143622.

Contact Information

Rex D Chang, MD
2110 E El Segundo Blvd,
El Segundo, CA 90245-4548
(310) 517-7010
Not Available

Map and Direction




Physician's Profile

Full NameRex D Chang
GenderMale
SpecialityFamily Medicine
Location2110 E El Segundo Blvd, El Segundo, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1174143622
  • Provider Enumeration Date: 04/24/2020
  • Last Update Date: 09/13/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 4789009135
  • Enrollment ID: I20200803001743

Medical Identifiers

Medical identifiers for Rex D Chang such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1174143622NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine A193710 (California)Primary

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. Rex D Chang 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
Rex D Chang, MD
2110 E El Segundo Blvd Ste 200,
El Segundo, CA 90245-2743

Ph: (310) 517-7010
Rex D Chang, MD
2110 E El Segundo Blvd,
El Segundo, CA 90245-4548

Ph: (310) 517-7010

Reviews and Comments


Family Medicine Doctors in El Segundo, CA

Matthew Mejia,
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2110 E El Segundo Blvd Ste 200, El Segundo, CA 90245
Phone: 310-517-7030    
Viki T Lin,
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 2420 Vela Way, Suite 1467, El Segundo, CA 90245
Phone: 310-363-3981    Fax: 310-363-1970
Anna I Emanuel, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 740 S Pacific Coast Hwy, El Segundo, CA 90245
Phone: 310-563-7366    
Dr. Michael Anne Browne, M.D.
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 100 N Sepulveda Blvd, 20th Floor, El Segundo, CA 90245
Phone: 310-744-2716    Fax: 310-744-2751
Toni Rollins,
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 222 N Pacific Coast Hwy Ste 1420, El Segundo, CA 90245
Phone: 877-878-3289    
Dr. Renee Cherie Macleod, D.O.
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 327 Main St, El Segundo, CA 90245
Phone: 310-322-9700    Fax: 310-322-9710

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.