Alyson Humphreys, PA-C
NPI 1508874033 · Physician Assistant · Winchester, VA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alyson Humphreys, PA-C is a Physician Assistant provider in Winchester, VA (NPI 1508874033).
Provider details
- NPI number
- 1508874033
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 0110002016 (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
19 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
1,415 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) |
|---|---|---|
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 337 | $62 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 305 | $79 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 250 | $111 |
| X-Ray of Knee, 3 Views73562 | 222 | $35 |
| X-Ray of Shoulder, Minimum of 2 Views73030 | 79 | $30 |
| Replacement of Knee Joint, Both Sides of Knee27447 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Meloxicam | 86 | 54 |
| Tramadol Hcl | 86 | 69 |
| Oxycodone Hcl | 75 | 66 |
| Amoxicillin | 34 | 27 |
| Diclofenac Sodium | 23 | 13 |
| Acetaminophen With Codeinebrand: Acetaminophen-Codeine | 19 | — |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$22 across 1 record (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
- 2006-08-03
- Last updated
- 2023-12-11
- Certified
- 2023-12-11
Frequently asked questions
- What is Alyson Humphreys's NPI number?
- Alyson Humphreys's National Provider Identifier (NPI) is 1508874033, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alyson Humphreys's specialty?
- Alyson Humphreys is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Alyson Humphreys located?
- Alyson Humphreys's practice location on file with NPPES is 128 Medical Circle, Winchester, VA 22601.
- What is Alyson Humphreys's phone number?
- The practice phone number listed in the NPPES registry for Alyson Humphreys is (540) 667-8975.
- Does Alyson Humphreys accept Medicare?
- Alyson Humphreys is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alyson Humphreys's NPI active?
- Yes — Alyson Humphreys's NPI (1508874033) is active in the NPPES registry as of the last update on 2023-12-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.