Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Rex Der Chang, MD

Individual provider Family Medicine Physician · NPI 1174143622

Rex Der Chang, MD is a Family Practice in El Segundo, California. Qualified in 2018, 8 years ago. Practices with Torrance Health Association Inc, a 297-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
8
Licensed in
CA
In the registry since
2020
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2110 E El Segundo Blvd
El Segundo, CA 90245-4548
Phone: (310) 517-7010
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1414 W Fair Ave Ste 36, Marquette, MI 49855-2675 — (906) 449-1010

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence A193710 (CA)

Record details

NPI number1174143622
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 24, 2020
Last updated in NPPESDecember 18, 2025
Certification dateDecember 18, 2025
Mailing address2110 E El Segundo Blvd Ste 200, El Segundo, CA 90245-2743

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Torrance Health Association Inc — 297 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in El Segundo