Erin C. Desrosiers, PA
Physician Assistant · Williamsburg, VA
Erin C. Desrosiers, PA is a physician assistant with a practice address in Williamsburg, Virginia, and NPI 1659564557, issued on Aug 23, 2007. Check the license (Virginia 0110002569, as entered in NPPES) with the Virginia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Erin C. Desrosiers
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 0110002569 VA
Self-reported in NPPES; status is on the state search - Practice location
- 4374 New Town Ave, Williamsburg, VA 23188
- Phone
- (757) 220-2795
- Enumerated
- Aug 23, 2007
- Record last updated
- May 24, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (757) 259-8797
- Medicare enrollment
- Enrolled (PECOS I20071107000522); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,408 in Virginia → Look up another NPI →
Also registered at 4374 New Town Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Marie Barthelemy, NPFamily Nurse Practitioner1689638082
- Gregory Biernacki, MDFamily Medicine Physician1194789909
- Pamela Biernacki, NPFamily Nurse Practitioner1255394003
- Christopher Boquist, MDFamily Medicine Physician1962466524
- Jennifer Dean, M.D.Family Medicine Physician1265628093
Verify Erin C. Desrosiers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Virginia board licenses this profession
Search for license 0110002569Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% fewer Medicare Part D claims than the average physician assistant in 2024
651 Medicare Part D claims for 319 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Tamsulosin Hcl147 claims
- Cephalexin62 claims
- Ciprofloxacin Hcl53 claims
- Myrbetriq38 claims
- Sulfamethoxazole-Trimethoprim37 claims
- Gemtesa35 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.
Industry payments in 2024: $2,120.33
70 payments; by number, the most common kind was food and beverage; the largest payer was Teleflex LLC. 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
- Tidewater Physicians Multispecialty Group, PCWest Point, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Erin C. Desrosiers among 4,408 physician assistant records in Virginia
Erin C. Desrosiers, PA 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 2007, is newer than 14% of them.
- NPI issued2007 · 14% of these records are older, 82% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2007 · median 2018 among the 2,885 with a school on file
- Record last updated2011 · 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).
38 physician assistant records list a practice address in Williamsburg
They are 38 of the 1,707 NPPES records with a practice address in Williamsburg, and 4,408 physician assistant records in Virginia.
All 4,408 in Virginia → Every provider in Williamsburg → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Sarah Bott, P.A.Williamsburg, VA 231881730158346
- Van Deblieux, PA-CWilliamsburg, VA 231881861714404
- Virginia Knight, PA-CWilliamsburg, VA 231881053455055
- John Lynch, MPAS PA-CWilliamsburg, VA 231881154676104
- Hannah Manson, PAWilliamsburg, VA 231881083080295
- Catherine McCann-Shelton, PAWilliamsburg, VA 231881861597056
- Elizabeth Omasta, PA-CWilliamsburg, VA 231881780623835
- Pamela Schafer, PAWilliamsburg, VA 231881376629410
Common questions
What is Erin C. Desrosiers, PA's NPI number?
Erin C. Desrosiers, PA's National Provider Identifier (NPI) is 1659564557, issued on Aug 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Erin C. Desrosiers, PA located?
The NPPES record lists a practice address at 4374 New Town Ave, Williamsburg, VA, 23188. Phone: (757) 220-2795. Providers update this record themselves, so call before visiting.
How can I verify Erin C. Desrosiers, PA's license?
NPPES lists Virginia license number 0110002569, as entered by the provider. Search the Virginia board that licenses this profession; the NPPES record confirms identity only.
How much does Erin C. Desrosiers, PA prescribe under Medicare Part D?
In 2024, Erin C. Desrosiers, PA had 651 Medicare Part D claims for 319 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
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.