Barbara Holdsworth, FNP
NPI 1477747186 · Family Nurse Practitioner · Ventura, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Barbara Holdsworth, FNP is a Family Nurse Practitioner provider in Ventura, CA (NPI 1477747186).
Provider details
- NPI number
- 1477747186
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 17513 (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
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,234 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 | 600 | $121 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 251 | $15 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 175 | $31 |
| Hemoglobin A1c Level83036 | 117 | $10 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 80 | $14 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 70 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 397 | 107 |
| Metformin Hcl | 218 | 49 |
| Semaglutidebrand: Ozempic | 216 | 43 |
| Tirzepatidebrand: Mounjaro | 200 | 40 |
| Empagliflozinbrand: Jardiance | 161 | 38 |
| Metformin Hclbrand: Metformin Hcl Er | 151 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,965 across 208 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
Additional practice locations (1)
- 325 W Channel Islands BlvdOxnard, CA 93033-4501Phone: (805) 204-9500
Registry dates
- Enumerated
- 2007-09-06
- Last updated
- 2025-10-28
- Certified
- 2025-10-28
Frequently asked questions
- What is Barbara Holdsworth's NPI number?
- Barbara Holdsworth's National Provider Identifier (NPI) is 1477747186, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Barbara Holdsworth's specialty?
- Barbara Holdsworth is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Barbara Holdsworth located?
- Barbara Holdsworth's practice location on file with NPPES is 2772 Johnson Dr, Ventura, CA 93003-8582.
- What is Barbara Holdsworth's phone number?
- The practice phone number listed in the NPPES registry for Barbara Holdsworth is (805) 642-1430.
- Does Barbara Holdsworth accept Medicare?
- Barbara Holdsworth is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Barbara Holdsworth's NPI active?
- Yes — Barbara Holdsworth's NPI (1477747186) is active in the NPPES registry as of the last update on 2025-10-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.