Alyson P. Humphreys, PA-C
Physician Assistant · Winchester, VA
Alyson P. Humphreys, PA-C is a physician assistant with a practice address in Winchester, Virginia, and NPI 1508874033, issued on Aug 3, 2006. Check the license (Virginia 0110002016, as entered in NPPES) with the Virginia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Alyson P. Humphreys
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 0110002016 VA
Self-reported in NPPES; status is on the state search - Practice location
- 128 Medical Circle, Winchester, VA 22601
- Phone
- (540) 667-8975
- Enumerated
- Aug 3, 2006
- Record last updated
- Dec 11, 2023
- Medicaid ID
- 010142245 VA
- Medicare enrollment
- Enrolled (PECOS I20050413001154); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,408 in Virginia → Look up another NPI →
Verify Alyson P. Humphreys in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Virginia board licenses this profession
Search for license 0110002016Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average physician assistant in 2024
388 Medicare Part D claims for 190 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims. 201 claims were for opioids.
Most prescribed
- Meloxicam86 claims
- Tramadol Hcl86 claims
- Oxycodone Hcl75 claims
- Amoxicillin34 claims
- Diclofenac Sodium23 claims
- Acetaminophen-Codeine19 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $21.76
1 payment: food and beverage; the largest payer was Smith+Nephew, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Centers For Advanced Orthopaedics LLCWinchester, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alyson P. Humphreys among 4,408 physician assistant records in Virginia
Alyson P. Humphreys, PA-C is one of 4,408 physician assistant records with a practice address in Virginia. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 86% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2004 · median 2018 among the 2,885 with a school on file
- Record last updated2023 · 33% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
217 physician assistant records list a practice address in Winchester
They are 217 of the 2,762 NPPES records with a practice address in Winchester, and 4,408 physician assistant records in Virginia.
All 4,408 in Virginia → Every provider in Winchester → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Jill Bethlehem, PAWinchester, VA 226011548216971
- Tammy Earhart, PA-CWinchester, VA 226011275552622
- Dondrea Garrison, PA-CWinchester, VA 226011558323253
- Thomas Kidd, PACWinchester, VA 226011053321075
- Michael Lapp, PAWinchester, VA 226011295789469
- Tamara McDaniel, PA-CWinchester, VA 226011154349801
- Jennifer Miller, PA-CWinchester, VA 226011801828702
- Poupee Pang, P.A.-CWinchester, VA 226011841392149
Common questions
What is Alyson P. Humphreys, PA-C's NPI number?
Alyson P. Humphreys, PA-C's National Provider Identifier (NPI) is 1508874033, issued on Aug 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alyson P. Humphreys, PA-C located?
The NPPES record lists a practice address at 128 Medical Circle, Winchester, VA, 22601. Phone: (540) 667-8975. Providers update this record themselves, so call before visiting.
How can I verify Alyson P. Humphreys, PA-C's license?
NPPES lists Virginia license number 0110002016, as entered by the provider. Search the Virginia board that licenses this profession; the NPPES record confirms identity only.
How much does Alyson P. Humphreys, PA-C prescribe under Medicare Part D?
In 2024, Alyson P. Humphreys, PA-C had 388 Medicare Part D claims for 190 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Alyson P. Humphreys, PA-C's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.