Update this page – If you believe information in your NPPES record is inaccurate, or if you wish to update or deactivate your NPI, you can do so directly with CMS.
Individual
DR. MARGARET GRACE DE VILLIERS
Active
Individual
DR. MARGARET GRACE DE VILLIERS
Active
Sole proprietor
No
Provider details
NPI number
Gender
F
Credential
M.D.
Taxonomy
Speciality
Code
Description
License number
State
208000000X
Pediatrics Physician
Primary
A42750
CA
Other
Other identifiers
Code
Description
Identifier
Issuer
State
01
—
A42750
STATE LICENSE NUMBER
CA
05
—
GR0056110
—
CA
Enumeration date
05/20/2006
Last updated
07/13/2026
About Stedi
Stedi is the only programmable healthcare clearinghouse. You can use Stedi's APIs to process eligibility checks, claims, remits, and more.
Sign up