DR. SEAN PATRICK WINFREY D.O
NPI 1508243577
Internal Medicine in Falls Church, VA

Active since April 29, 2015PECOS Enrolled
81.28/100
CMS Quality Rating
3300 GALLOWS ROAD, FALLS CHURCH, VA 22042(703) 776-4001(703) 776-7113 Get Directions Write a Review

NPPES record last updated: September 15, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 15, 2020, Apr 21, 2020 (2 updates tracked since 2020).

About Dr. Sean Patrick Winfrey D.o NPPES

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

DR. SEAN PATRICK WINFREY D.O (NPI 1508243577) is an individual internal medicine provider in Falls Church, Virginia, licensed in Virginia (0102204649) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1508243577
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. SEAN PATRICK WINFREYCredential: D.O
Location Address3300 GALLOWS ROADFalls Church, VA 22042
Mailing AddressPo Box 37174Baltimore, MD 21297-3174 · (571) 423-5699 · Fax (571) 423-5698
Fax(703) 776-7113
Sole ProprietorYes
Enumeration DateApril 29, 2015
Last NPPES UpdateSeptember 15, 20202 updates tracked since enumeration
NPPES CertifiedSeptember 15, 2020
✔ NPI 1508243577 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in VA · 0102204649
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
3300 GALLOWS ROAD, Falls Church, VA 22042

Secondary Practice Locations 2

Location 144045 Riverside PkwyLeesburg, VA 20176-5101 · Phone (703) 858-6000 · Fax (703) 858-6900
Location 22501 Parkers LnAlexandria, VA 22306-3209 · Phone (703) 664-7000 · Fax (703) 664-7666

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Sean Patrick Winfrey D.o is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignments

4

Medicare enrollment records show Sean Winfrey reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
3300 GALLOWS RD, PHYSICIAN SERVICES
Falls Church, VA 22042
  • Reassigned Medicare billing, District of Columbia and Virginia enrollments
  • Also billed through NPI 1588717755 (Virginia)
  • 2,618 clinicians in this Medicare group
Internal Medicine
1001 SAM PERRY BLVD
Fredericksburg, VA 22401
  • Reassigned Medicare billing, Virginia enrollment
  • 258 clinicians in this Medicare group
Internal Medicine
1840 AMHERST ST
Winchester, VA 22601
  • Reassigned Medicare billing, Virginia enrollment
  • 371 clinicians in this Medicare group
Internal Medicine
2000 EOFF ST
Wheeling, WV 26003
  • Reassigned Medicare billing, West Virginia enrollment
  • 193 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22042 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
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

81.28/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality70.77
Promoting Interoperability100
Improvement Activities40
Cost66.84

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.

Hospitalist
3300 GALLOWS ROAD, DEPARTMENT OF MEDICINE
FALLS CHURCH, VA 22042
Pathology (Anatomic Pathology & Clinical Pathology)
3300 GALLOWS ROAD
FALLS CHURCH, VA 22042
Hospitalist
3300 GALLOWS ROAD
FALLS CHURCH, VA 22042
Internal Medicine
3300 GALLOWS ROAD
FALLS CHURCH, VA 22042
Pediatrics
3300 GALLOWS ROAD, PEDIATRIC RESIDENCY OFFICE
FALLS CHURCH, VA 22042
Hospitalist
3300 GALLOWS ROAD, DEPARTMENT OF MEDICINE
FALLS CHURCH, VA 22042
Social Worker (Clinical)
3300 GALLOWS ROAD
FALLS CHURCH, VA 22042
Hospitalist
3300 GALLOWS ROAD, DEPARTMENT OF MEDICINE
FALLS CHURCH, VA 22042

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 Sean Winfrey's NPI number?

The NPI number for Sean Winfrey is 1508243577. It was assigned to this individual provider in the NPPES registry on April 29, 2015.

Where is Sean Winfrey located?

Sean Winfrey practices at 3300 Gallows Road, Falls Church, VA 22042. The listed phone number is (703) 776-4001.

What is Sean Winfrey's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Sean Winfrey enrolled in Medicare?

Yes. Sean Winfrey is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Sean Winfrey's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sean Winfrey reassigns Medicare benefits to 4 organizations: Inova Health Care Services (Falls Church, VA), Hospitalist Medicine Physicians Of Fredericksburg, LLC (Fredericksburg, VA), Hospitalist Medicine Physicians Of Virginia LLC (Winchester, VA) and Hospitalist Medicine Physicians Of West Virginia, PLLC (Wheeling, WV). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sean Winfrey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sean Winfrey accept?

Health plans from Oscar Health list Sean Winfrey as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Sean Winfrey was last updated on September 15, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.