Allison Wastak, NP-C, RN, CCRN
NPI 1093197923 · Family Nurse Practitioner · Oxnard, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Allison Wastak, NP-C, RN, CCRN is a Family Nurse Practitioner provider in Oxnard, CA (NPI 1093197923).
Provider details
- NPI number
- 1093197923
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP-C, RN, CCRN
- Sex
- Female
- Sole proprietor
- No
- License
- 0024172720 (VA)
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
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,357 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) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 859 | $101 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 302 | $123 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 81 | $87 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 74 | $160 |
| Test for Exercise-Induced Lung Stress94618 | 25 | $33 |
| Inhalation Treatment for Airway Obstruction Or Sputum Production94640 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 182 | 80 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 177 | 38 |
| Montelukast Sodium | 67 | 28 |
| Prednisone | 50 | 31 |
| Budesonide/Glycopyr/Formoterolbrand: Breztri Aerosphere | 47 | 18 |
| Fluticasone Propionate | 39 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$980 across 33 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 (3)
- 483 W Seed Farm RdSacaton, AZ 85147-5000Phone: (602) 528-1200Fax: (602) 528-1255
- 4000 Calle Tecate Ste 105Camarillo, CA 93012-5283Phone: (805) 485-2400Fax: (805) 485-3025
- 600 Gresham Dr Ste 8630bNorfolk, VA 23507-1904Phone: (757) 388-6115Fax: (757) 275-9998
Registry dates
- Enumerated
- 2015-06-27
- Last updated
- 2024-05-07
- Certified
- 2024-05-07
Frequently asked questions
- What is Allison Wastak's NPI number?
- Allison Wastak's National Provider Identifier (NPI) is 1093197923, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allison Wastak's specialty?
- Allison Wastak is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Allison Wastak located?
- Allison Wastak's practice location on file with NPPES is 1910 Outlet Center Dr, Oxnard, CA 93036-0677.
- What is Allison Wastak's phone number?
- The practice phone number listed in the NPPES registry for Allison Wastak is (805) 485-2400.
- Does Allison Wastak accept Medicare?
- Allison Wastak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Allison Wastak's NPI active?
- Yes — Allison Wastak's NPI (1093197923) is active in the NPPES registry as of the last update on 2024-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.