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

James Willis Simmons II, NP

Individual provider Family Nurse Practitioner · NPI 1366744492

James Willis Simmons II, NP is a Nurse Practitioner in Redwood City, California. Qualified in 2010, 16 years ago. Practices with Merced Intensivist Group Inc, a 9-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
16
Licensed in
CA
In the registry since
2010
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

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Practice location Address checks out

830 Jefferson Ave
Redwood City, CA 94063-1804
Phone: (650) 380-0616
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 103 Modesto Ave, Modesto, CA 95354-0414 — (209) 527-4597

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence NP19879 (CA)

Record details

NPI number1366744492
Entity typeIndividual (Type 1)
GenderMale
Credentials NP
Sole proprietorYes
NPI enumeratedNovember 22, 2010
Last updated in NPPESJanuary 16, 2026
Certification dateJanuary 16, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Group practice Merced Intensivist Group Inc — 9 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Redwood City