Michelle D'Alessio, PA
NPI 1558575191 · Physician Assistant · Winchester, VA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michelle D'Alessio, PA is a Physician Assistant provider in Winchester, VA (NPI 1558575191).
Provider details
- NPI number
- 1558575191
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- 0110002474 (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
1,493 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 375 | $75 |
| Manual Urinalysis Test With Examination Using Microscope, Non-Automated81000 | 286 | $4 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 132 | $106 |
| Psa (prostate Specific Antigen) Measurement, Total84153 | 125 | $18 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 119 | $64 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 103 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 381 | 116 |
| Cephalexin | 199 | 75 |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er | 138 | 39 |
| Mirabegronbrand: Myrbetriq | 132 | 32 |
| Solifenacin Succinate | 116 | 39 |
| Finasteride | 101 | 33 |
| Nitrofurantoin Macrocrystalbrand: Nitrofurantoin | 83 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$342 across 13 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
Registry dates
- Enumerated
- 2007-05-10
- Last updated
- 2025-03-03
- Certified
- 2025-03-03
Frequently asked questions
- What is Michelle D'Alessio's NPI number?
- Michelle D'Alessio's National Provider Identifier (NPI) is 1558575191, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michelle D'Alessio's specialty?
- Michelle D'Alessio is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Michelle D'Alessio located?
- Michelle D'Alessio's practice location on file with NPPES is 1712 Amherst St, Winchester, VA 22601-2807.
- What is Michelle D'Alessio's phone number?
- The practice phone number listed in the NPPES registry for Michelle D'Alessio is (540) 667-1712.
- Does Michelle D'Alessio accept Medicare?
- Michelle D'Alessio is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michelle D'Alessio's NPI active?
- Yes — Michelle D'Alessio's NPI (1558575191) is active in the NPPES registry as of the last update on 2025-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.