Holly Antonyan, N.P.
NPI 1144500398 · Nurse Practitioner · Torrance, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Holly Antonyan, N.P. is a Nurse Practitioner provider in Torrance, CA (NPI 1144500398).
Provider details
- NPI number
- 1144500398
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- 21075 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,102 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 867 | $6 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 308 | $84 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 215 | $39 |
| Destruction of Skin Growth, 1-14 Growths17110 | 191 | $108 |
| Biopsy of Related Skin Growth, First Growth11102 | 117 | $72 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 65 | 36 |
| Clobetasol Propionate | 37 | 20 |
| Triamcinolone Acetonide | 36 | 29 |
| Valacyclovir Hclbrand: Valacyclovir | 26 | 19 |
| Metronidazole | 23 | 13 |
| Betamethasone Dipropionate | 17 | 11 |
| Spironolactone | 14 | — |
| Tretinoin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,223 across 80 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-08-19
- Last updated
- 2024-09-29
- Certified
- 2024-09-29
Frequently asked questions
- What is Holly Antonyan's NPI number?
- Holly Antonyan's National Provider Identifier (NPI) is 1144500398, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Holly Antonyan's specialty?
- Holly Antonyan is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Holly Antonyan located?
- Holly Antonyan's practice location on file with NPPES is 24520 Hawthorne Blvd Ste 240, Torrance, CA 90505-6849.
- What is Holly Antonyan's phone number?
- The practice phone number listed in the NPPES registry for Holly Antonyan is (310) 300-6206.
- Does Holly Antonyan accept Medicare?
- Holly Antonyan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Holly Antonyan's NPI active?
- Yes — Holly Antonyan's NPI (1144500398) is active in the NPPES registry as of the last update on 2024-09-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.