Nancy Nicolosi, NP-C
NPI 1598122087 · Adult Health Nurse Practitioner · Laguna Woods, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nancy Nicolosi, NP-C is a Adult Health Nurse Practitioner provider in Laguna Woods, CA (NPI 1598122087).
Provider details
- NPI number
- 1598122087
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 95003677 (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
10 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
223 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 84 | $118 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 43 | $61 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 40 | $13 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 27 | $126 |
| Administration of Chemotherapy Into Vein, Each Additional Hour96415 | 18 | $26 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 11 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 254 | 84 |
| Methotrexate Sodiumbrand: Methotrexate | 125 | 57 |
| Hydroxychloroquine Sulfate | 121 | 42 |
| Gabapentin | 72 | 21 |
| Leflunomide | 71 | 28 |
| Meloxicam | 57 | 26 |
| Alendronate Sodium | 51 | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$6,164 across 165 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
- 2016-01-28
- Last updated
- 2016-01-28
Frequently asked questions
- What is Nancy Nicolosi's NPI number?
- Nancy Nicolosi's National Provider Identifier (NPI) is 1598122087, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Nicolosi's specialty?
- Nancy Nicolosi is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Nancy Nicolosi located?
- Nancy Nicolosi's practice location on file with NPPES is 24331 El Toro Rd, Laguna Woods, CA 92637-2752.
- What is Nancy Nicolosi's phone number?
- The practice phone number listed in the NPPES registry for Nancy Nicolosi is (949) 583-0222.
- Does Nancy Nicolosi accept Medicare?
- Nancy Nicolosi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nancy Nicolosi's NPI active?
- Yes — Nancy Nicolosi's NPI (1598122087) is active in the NPPES registry as of the last update on 2016-01-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.