Zalwonaka Gainer, ARNP
NPI 1336322676 · Adult Health Nurse Practitioner · Winchester, VA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zalwonaka Gainer, ARNP is a Adult Health Nurse Practitioner provider in Winchester, VA (NPI 1336322676).
Provider details
- NPI number
- 1336322676
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP
- Sex
- Female
- Sole proprietor
- No
- License
- 0001236412 (VA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
525 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 231 | $102 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 159 | $97 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 73 | $68 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 35 | $149 |
| Physician Or Allowed Practitioner Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians andG0180 | 27 | $48 |
Typical Medicare-allowed amounts for these services range $48–$149 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 6 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 21 | 19 |
| Cefuroxime Axetilbrand: Cefuroxime | 16 | 16 |
| Azithromycin | 15 | 15 |
| Furosemide | 15 | 13 |
| Prednisone | 15 | 15 |
| Atorvastatin Calcium | 11 | 11 |
Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they do notinclude cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means , never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Practice location
Mailing address
Additional practice locations (1)
- 1840 Amherst StWinchester, VA 22601-2808Phone: (540) 536-8000Fax: (540) 536-7780
Registry dates
- Enumerated
- 2007-12-10
- Last updated
- 2025-10-30
- Certified
- 2025-10-30
Frequently asked questions
- What is Zalwonaka Gainer's NPI number?
- Zalwonaka Gainer's National Provider Identifier (NPI) is 1336322676, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zalwonaka Gainer's specialty?
- Zalwonaka Gainer is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Zalwonaka Gainer located?
- Zalwonaka Gainer's practice location on file with NPPES is 1880 Amherst Street, Winchester, VA 22601.
- What is Zalwonaka Gainer's phone number?
- The practice phone number listed in the NPPES registry for Zalwonaka Gainer is (540) 662-0306.
- Does Zalwonaka Gainer accept Medicare?
- Zalwonaka Gainer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zalwonaka Gainer's NPI active?
- Yes — Zalwonaka Gainer's NPI (1336322676) is active in the NPPES registry as of the last update on 2025-10-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.