Zachary Sites, PA-S
NPI 1518620848 · Physician Assistant · Winchester, VA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zachary Sites, PA-S is a Physician Assistant provider in Winchester, VA (NPI 1518620848).
Provider details
- NPI number
- 1518620848
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-S
- Sex
- Male
- Sole proprietor
- No
- License
- 0110-008799 (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
4 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
904 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 | 298 | $104 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 254 | $12 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 233 | $147 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 45 | $64 |
| 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 | 39 | $13 |
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 |
|---|---|---|
| Metoprolol Succinate | 216 | 80 |
| Amlodipine Besylate | 185 | 73 |
| Atorvastatin Calcium | 122 | 46 |
| Isosorbide Mononitratebrand: Isosorbide Mononitrate Er | 117 | 38 |
| Apixabanbrand: Eliquis | 117 | 40 |
| Losartan Potassium | 117 | 47 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$464 across 15 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 (2)
- 1880 Amherst StreetSuite 200Winchester, VA 22601-2260Phone: (540) 662-0306Fax: (855) 264-2066
- 1840 Amherst StWinchester, VA 22601-2808Phone: (540) 536-8000Fax: (540) 536-7780
Registry dates
- Enumerated
- 2021-10-13
- Last updated
- 2022-11-02
- Certified
- 2022-11-01
Frequently asked questions
- What is Zachary Sites's NPI number?
- Zachary Sites's National Provider Identifier (NPI) is 1518620848, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachary Sites's specialty?
- Zachary Sites is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Zachary Sites located?
- Zachary Sites's practice location on file with NPPES is 1880 Campus Street, Winchester, VA 22601-2260.
- What is Zachary Sites's phone number?
- The practice phone number listed in the NPPES registry for Zachary Sites is (540) 662-0306.
- Does Zachary Sites accept Medicare?
- Zachary Sites is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zachary Sites's NPI active?
- Yes — Zachary Sites's NPI (1518620848) is active in the NPPES registry as of the last update on 2022-11-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.