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

Irmarita Lewis, FNP

Individual provider Durable Medical Equipment & Medical Supplies · NPI 1669072328

Irmarita Lewis, FNP is a Nurse Practitioner in Fairfield, California. Qualified in 2020, 6 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
6
Licensed in
CA
In the registry since
2020
Specialties on file
3
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

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Practice location Address checks out

1525 Webster St Ste D
Fairfield, CA 94533-4935
Phone: (707) 470-2888
Fax: (866) 626-0793
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1650 Los Gamos Dr, San Rafael, CA 94903-1850 — (415) 444-2940

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 95016414 (CA)
Durable Medical Equipment & Medical Supplies Taxonomy 332B00000X
Registered Nurse Taxonomy 163W00000X · Licence 831617 (CA)

Record details

NPI number1669072328
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedOctober 30, 2020
Last updated in NPPESJune 4, 2026
Certification dateJune 4, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Fairfield