Erin Desrosiers, PA
NPI 1659564557 · Physician Assistant · Williamsburg, VA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erin Desrosiers, PA is a Physician Assistant provider in Williamsburg, VA (NPI 1659564557).
Provider details
- NPI number
- 1659564557
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- 0110002569 (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
18 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
1,879 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 | 525 | $105 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 428 | $11 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 402 | $75 |
| Automated Urinalysis Test81003 | 160 | $2 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 108 | $9 |
| Psa (prostate Specific Antigen) Measurement, Total84153 | 83 | $18 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 147 | 80 |
| Cephalexin | 62 | 47 |
| Ciprofloxacin Hcl | 53 | 48 |
| Mirabegronbrand: Myrbetriq | 38 | 17 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 37 | 31 |
| Vibegronbrand: Gemtesa | 35 | 18 |
| Trospium Chloride | 29 | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,120 across 70 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
- 2007-08-23
- Last updated
- 2011-05-24
Frequently asked questions
- What is Erin Desrosiers's NPI number?
- Erin Desrosiers's National Provider Identifier (NPI) is 1659564557, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erin Desrosiers's specialty?
- Erin Desrosiers is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Erin Desrosiers located?
- Erin Desrosiers's practice location on file with NPPES is 4374 New Town Ave, Williamsburg, VA 23188-2865.
- What is Erin Desrosiers's phone number?
- The practice phone number listed in the NPPES registry for Erin Desrosiers is (757) 220-2795.
- Does Erin Desrosiers accept Medicare?
- Erin Desrosiers is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erin Desrosiers's NPI active?
- Yes — Erin Desrosiers's NPI (1659564557) is active in the NPPES registry as of the last update on 2011-05-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.