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MRS. ERIN C DESROSIERS PA
NPI 1659564557
Physician Assistant in Williamsburg, VA

Active since August 23, 2007PECOS EnrolledAccepts Medicare Assignment
4374 NEW TOWN AVE, SUITE 200, WILLIAMSBURG, VA 23188(757) 220-2795(757) 259-8797 Get Directions Write a Review

NPPES record last updated: May 24, 2011. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mrs. Erin C Desrosiers Pa NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. ERIN C DESROSIERS PA (NPI 1659564557) is an individual physician assistant in Williamsburg, Virginia, licensed in Virginia (0110002569) and active in the NPI registry since August 2007. She is enrolled in Medicare PECOS, is affiliated with Sentara Williamsburg Regional Medical Center, and is a graduate of Other (2007).

NPPES Registry Identity

NPI1659564557
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMRS. ERIN C DESROSIERSCredential: PA
Location Address4374 NEW TOWN AVE, SUITE 200Williamsburg, VA 23188-2865
Mailing Address4374 New Town Ave, Suite 200Williamsburg, VA 23188-2865 · (757) 220-2795 · Fax (757) 259-8797
Phone(757) 220-2795
Fax(757) 259-8797
Sole ProprietorNo
Medical School CMSOtherGraduated 2007
Enumeration DateAugust 23, 2007
Last NPPES UpdateMay 24, 2011
✔ NPI 1659564557 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in VA · 0110002569
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
4374 NEW TOWN AVE, Williamsburg, VA 23188
Open in Google Maps ↗

Other Identifiers 3

Other10023590VA · Optima
Medicare UPIN1659864557VA
Medicare PIN015005V25VA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Erin C Desrosiers Pa is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3870680812
PECOS Enrollment IDI20071107000522
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
525 services356 patients
Ultrasound measurement of bladder capacity after voiding 51798
Ultrasound measurement of bladder capacity after voiding is a non-invasive test that uses sound waves to create images of your bladder. It's done after you've emptied your bladder to see if there's any leftover urine, which can help diagnose certain conditions.
428 services281 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
402 services334 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
160 services139 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
108 services94 patients
Psa (prostate specific antigen) measurement, total 84153
PSA measurement is a simple blood test that checks for a specific protein produced by your body. High levels could indicate a health issue that needs further investigation. It's often used to monitor general wellness and is part of routine health screening.
83 services76 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Sentara Williamsburg Regional Medical Center

Acute Care Hospitals · Williamsburg, VA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490066
Location100 Sentara CircleWilliamsburg, VA 23188 · James City County
Emergency services Birthing friendly

Sentara Careplex Hospital

Acute Care Hospitals · Hampton, VA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490093
Location3000 Coliseum DriveHampton, VA 23666 · Hampton City County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 23188 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$86.88 typical visit price
range $56.19 – $170.30
Typical copayment $21.72 (range $14.04 – $42.57)
Most-billed visit code 99203
Established Patient
$70.08 typical visit price
range $18.07 – $138.91
Typical copayment $17.52 (range $4.51 – $34.72)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. MAURICE E GRAHAM M.D.
Pediatrics
4374 NEW TOWN AVE, STE 202
WILLIAMSBURG, VA 23188
James City County (757) 253-5757
BRITTANY LEANNA DOLAN MSN-FNP, BC
Nurse Practitioner (Family)
4374 NEW TOWN AVE
WILLIAMSBURG, VA 23188
James City County (757) 772-6124
DR. PHILIP S WALTER MD
Internal Medicine
4374 NEW TOWN AVE, SUITE 102
WILLIAMSBURG, VA 23188
James City County (757) 259-6770
DR. DAN F VIA M.D.
Pediatrics
4374 NEW TOWN AVE, STE 202
WILLIAMSBURG, VA 23188
James City County (757) 253-5757
SENTARA MEDICAL GROUP
Internal Medicine
4374 NEW TOWN AVE, STE 102
WILLIAMSBURG, VA 23188
James City County (757) 984-6170
GREGORY J. BIERNACKI MD
Family Medicine
4374 NEW TOWN AVE, SUITE 200
WILLIAMSBURG, VA 23188
James City County (757) 220-2795
VELOCITY URGENT CARE, LLC
Clinic/Center (Urgent Care)
4374 NEW TOWN AVE
WILLIAMSBURG, VA 23188
James City County (757) 772-6124
PAMELA J. BIERNACKI NP
Nurse Practitioner (Family)
4374 NEW TOWN AVE, SUITE 200
WILLIAMSBURG, VA 23188
James City County (757) 220-2795

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Erin Desrosiers's NPI number?

The NPI number for Erin Desrosiers is 1659564557. It was assigned to this individual provider in the NPPES registry on August 23, 2007.

Where is Erin Desrosiers located?

Erin Desrosiers practices at 4374 New Town Ave Suite 200, Williamsburg, VA 23188. The listed phone number is (757) 220-2795.

What is Erin Desrosiers's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Erin Desrosiers enrolled in Medicare?

Yes. Erin Desrosiers is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Erin Desrosiers affiliated with any hospitals?

According to CMS data, Erin Desrosiers is affiliated with Sentara Williamsburg Regional Medical Center and Sentara Careplex Hospital.

When was this NPI record last updated?

The NPPES record for Erin Desrosiers was last updated on May 24, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.