Healthcare Provider Details

I. General information

NPI: 1861954182
Provider Name (Legal Business Name): MARK JOSHUA CHANG DO
Entity Type: Individual
Gender: Male
Sole Proprietor: Y

II. Dates (important events)

Enumeration Date: 04/04/2019
Last Update Date: 07/08/2026
Certification Date: 07/08/2026
Deactivation Date:
Reactivation Date:

III. Provider practice location address

1100 SAN BERNARDINO RD STE 1100
UPLAND CA
91786-4952
US

IV. Provider business mailing address

PO BOX 512185
LOS ANGELES CA
90051-0185
US

V. Phone/Fax

Practice location:
  • Phone: 909-949-2242
  • Fax: 909-981-5783
Mailing address:
  • Phone:
  • Fax:

VI. Provider taxonomy

Scope of Practice (Provider specialty)

# 1
Primary TaxonomyN
Taxonomy Code207R00000X
TaxonomyInternal Medicine Physician
License NumberDO3131
License Number StateNV
# 2
Primary TaxonomyY
Taxonomy Code207RH0003X
TaxonomyHematology & Oncology Physician
License Number20A24887
License Number StateCA
# 3
Primary TaxonomyN
Taxonomy Code207RX0202X
TaxonomyMedical Oncology Physician
License Number20A24887
License Number StateCA

VIII. Authorized Official

Name:
Title or Position:
Credential:
Phone: