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

Riana Nicolaysen

Individual provider Nurse Practitioner · NPI 1952145351

Riana Nicolaysen is a Nurse Practitioner in Tarzana, California. Qualified in 2024, 2 years ago. Practices with Ophelia Medical Group Fl PA, a 100-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in New York and Pennsylvania.

Years since qualifying
2
Licensed in
NY, PA
In the registry since
2024
Specialties on file
2
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Practice location Address checks out

18646 Oxnard St
Tarzana, CA 91356-1486
Phone: (818) 996-1051
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 161 Cecil B Moore Ave Apt 204, Philadelphia, PA 19122-3243 — (866) 306-2026

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence SP030566 (PA)
Nurse Practitioner Taxonomy 363L00000X · Licence 359127 (NY)

Record details

NPI number1952145351
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedJune 20, 2024
Last updated in NPPESFebruary 27, 2026
Certification dateFebruary 27, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2024 (2 years in practice)
Group practice Ophelia Medical Group Fl Pa — 100 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Other providers in Tarzana