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

MS. Holly Gruwell Antonyan, NP

Individual provider Nurse Practitioner · NPI 1144500398

MS. Holly Gruwell Antonyan, NP is a Nurse Practitioner in Torrance, California. Qualified in 2011, 15 years ago. Practices with Hillside Dermatology, a 3-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
15
Licensed in
CA
In the registry since
2011
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

24520 Hawthorne Blvd Ste 240
Torrance, CA 90505-6849
Phone: (310) 300-6206
Fax: (310) 919-3703
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 21075 (CA)

Record details

NPI number1144500398
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedAugust 19, 2011
Last updated in NPPESSeptember 29, 2024
Certification dateSeptember 29, 2024

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Hillside Dermatology — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Torrance