NPI Registry
Contact usSign up free
Find providers by NPI
Individual

JAMES WILLIS SIMMONS II

Active
Sole proprietor
Yes

Provider details

NPI number
Gender
Man
Credential
NP

Contact information

Practice address
830 JEFFERSON AVE, REDWOOD CITY, CA 94063-1804
(650) 380-0616
Mailing address
4405 WINCANTON RD, SALIDA, CA 95368-9715
(209) 482-6840

Taxonomy

Speciality
Code
Description
License number
State
363LF0000X
Family Nurse Practitioner
Primary
NP19879
CA
363LP0222X
Critical Care Pediatric Nurse Practitioner
Primary
NP19879
CA

Other

Enumeration date
11/22/2010
Last updated
01/16/2026
About Stedi
Stedi is the only programmable healthcare clearinghouse. You can use Stedi's APIs to process eligibility checks, claims, remits, and more.
Contact us
Product
  • Claims
  • Eligibility checks
  • EDI platform