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

Karen Maciejko, NP

Individual provider Family Nurse Practitioner · NPI 1407565427

Karen Maciejko, NP is a Nurse Practitioner in San Rafael, California. Qualified in 2022, 4 years ago. Practices with Brett V Curtis MD a Professional Corporation Inc, a 7-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California and Colorado.

Years since qualifying
4
Licensed in
CA, CO
In the registry since
2022
Specialties on file
2
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

411 3rd St
San Rafael, CA 94901-3548
Phone: (415) 924-4525
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 100 Hospital Dr Ste 303, Vallejo, CA 94589-2583 — (707) 645-7210

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 95027143 (CA)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence APN.0998178-NP (CO)

Record details

NPI number1407565427
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedNovember 17, 2022
Last updated in NPPESNovember 12, 2024
Certification dateNovember 12, 2024

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Group practice Brett V Curtis Md A Professional Corporation Inc — 7 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in San Rafael