CAROLINE LYLE ARTHUR M.D.
NPI 1669636809
Surgery in Fairfax, VA

Q: What is Caroline Arthur's NPI number?

The NPI number for Caroline Arthur is 1669636809. It was assigned to this individual provider in the NPPES registry on July 16, 2008.

Q: What is Caroline Arthur's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Q: When was this NPI record last updated?

The NPPES record for Caroline Arthur was last updated on July 30, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.

Active since July 16, 2008PECOS EnrolledAccepts Medicare Assignment

83.32/100

CMS Quality Rating

3620 JOSEPH SIEWICK DR, SUITE 406, FAIRFAX, VA 22033(703) 359-8640(703) 259-6324 Get Directions Write a Review

NPPES record last updated: July 30, 2013. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Caroline Lyle Arthur M.d. NPPES

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

CAROLINE LYLE ARTHUR M.D. (NPI 1669636809) is an individual surgery provider in Fairfax, Virginia, licensed in Virginia (0116020501) and active in the NPI registry since July 2008. She is enrolled in Medicare PECOS, is affiliated with St Luke's Regional Medical Center, and is a graduate of Washington University School Of Medicine (2008).

NPPES Registry Identity

NPI1669636809

Entity TypeIndividualFemale

Primary Taxonomy208600000X

Provider Legal NameCAROLINE LYLE ARTHURCredential: M.D.

Location Address3620 JOSEPH SIEWICK DR, SUITE 406Fairfax, VA 22033-1756

Mailing Address3620 Joseph Siewick Dr, Suite 406Fairfax, VA 22033-1756 · (703) 359-8640 · Fax (703) 259-6324

Phone(703) 359-8640

Fax(703) 259-6324

Sole ProprietorNo

Medical School CMSWashington University School Of MedicineGraduated 2008

Enumeration DateJuly 16, 2008

Last NPPES UpdateJuly 30, 2013

✔ NPI 1669636809 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

License✔ Licensed in VA · 0116020501

Definition

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

3620 JOSEPH SIEWICK DR, Fairfax, VA 22033

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Other Identifiers 1

Medicaid1669636809VA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Moda Health Plan, Inc., PacificSource Health Plans, Providence Health Plan and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Caroline Lyle Arthur M.d. 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 ID1052554045

PECOS Enrollment IDI20151211002076

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 Reassignment

Medicare enrollment records show Caroline Arthur reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

St Lukes Clinic-Treasure Valley LLC

2,006 mi

Family Medicine

840 N 4TH E
Mountain Home, ID 83647

Reassigned Medicare billing, Idaho enrollment
1,312 clinicians in this Medicare group

NPI 1417297821 (208) 587-1850

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

Areas of Expertise CMS Part B claims 4

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.

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

44 services44 patients

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.

28 services25 patients

Repair of groin hernia using an endoscope 49650

This procedure involves the use of an endoscope, a thin tube with a camera, to repair a hernia in the groin area. The surgeon makes small incisions, inserts the endoscope, and uses special tools to fix the hernia. This minimally invasive technique often results in quicker recovery times.

17 services17 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

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

St Luke's Regional Medical Center

Acute Care Hospitals · Boise, ID

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number130006

Location190 East Bannock StreetBoise, ID 83712 · Ada County

Emergency services Birthing friendly

St Luke's Nampa Medical Center

Acute Care Hospitals · Nampa, ID

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number130071

Location9850 West St Lukes DriveNampa, ID 83687 · Canyon County

Emergency services Birthing friendly

St Luke's Elmore Medical Center

Critical Access Hospitals · Mountain Home, ID

OwnershipVoluntary non-profit - Private

CMS Certification Number131311

Location895 North 6th EastMountain Home, ID 83647 · Elmore County

Emergency services Birthing friendly

St Luke's Wood River Medical Center

Critical Access Hospitals · Ketchum, ID

OwnershipVoluntary non-profit - Private

CMS Certification Number131323

Location100 Hospital DriveKetchum, ID 83340 · Blaine County

Emergency services Birthing friendly

Grande Ronde Hospital

Critical Access Hospitals · La Grande, OR

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number381321

Location900 Sunset DriveLa Grande, OR 97850 · Union County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22033 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

$100.31 typical visit price

range $65.18 – $194.86

Typical copayment $25.07 (range $16.29 – $48.71)

Most-billed visit code 99203

Established Patient

$80.66 typical visit price

range $21.40 – $158.88

Typical copayment $20.16 (range $5.35 – $39.72)

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.

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.

83.32/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

79.51

Promoting Interoperability

100

Improvement Activities

Cost

64.88

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Ostomy deodorant, with or without lubricant, for use in ostomy pouch, per fluid ounce A4394

DME-Orthotic Devices · category DF010N

2 suppliers13 claims104 services$2.20 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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. WALTER J HODGES JR. MD

Obstetrics & Gynecology

3620 JOSEPH SIEWICK DR, 400
FAIRFAX, VA 22033

Fairfax County (703) 264-7801

CARLA KAY ASPER NP

Nurse Practitioner (Adult Health)

3620 JOSEPH SIEWICK DR, SUITE 307
FAIRFAX, VA 22033

Fairfax County (703) 281-1023

PATRICK MATHENY PA-C

Physician Assistant (Medical)

3620 JOSEPH SIEWICK DR, STE 100
FAIRFAX, VA 22033

Fairfax County (703) 810-5223

FAIR OAKS PODIATRY AND SPORTS

Podiatrist (Foot & Ankle Surgery)

3620 JOSEPH SIEWICK DR, 303
FAIRFAX, VA 22033

Fairfax County (703) 865-6783

KEITH WILLIS LAWHORN MD

Orthopaedic Surgery

3620 JOSEPH SIEWICK DR, SUITE 100
FAIRFAX, VA 22033

Fairfax County (703) 810-5223

MALGORZATA GRADZKA, M.D., P.C.

Internal Medicine (Rheumatology)

3620 JOSEPH SIEWICK DR, SUITE 401
FAIRFAX, VA 22033

Fairfax County (703) 648-9800

JAY C TYROLER M.D.,P.C.

Internal Medicine

3620 JOSEPH SIEWICK DR, SUITE 306
FAIRFAX, VA 22033

Fairfax County (703) 264-0521

NICOLAS GAY PT, DPT

Physical Therapist

3620 JOSEPH SIEWICK DR, SUITE 201
FAIRFAX, VA 22033

Fairfax County (703) 391-0111

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 Caroline Arthur's NPI number?

The NPI number for Caroline Arthur is 1669636809. It was assigned to this individual provider in the NPPES registry on July 16, 2008.

Where is Caroline Arthur located?

Caroline Arthur practices at 3620 Joseph Siewick Dr Suite 406, Fairfax, VA 22033. The listed phone number is (703) 359-8640.

What is Caroline Arthur's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Caroline Arthur enrolled in Medicare?

Yes. Caroline Arthur 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.

Which organization bills Medicare for Caroline Arthur's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Caroline Arthur reassigns Medicare benefits to St Lukes Clinic-Treasure Valley LLC (Mountain Home, ID). The 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 Caroline Arthur's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Caroline Arthur accept?

Health plans from Moda Health Plan, Inc., PacificSource Health Plans, Providence Health Plan and Select Health list Caroline Arthur 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.

Is Caroline Arthur affiliated with any hospitals?

According to CMS data, Caroline Arthur is affiliated with St Luke's Regional Medical Center, St Luke's Nampa Medical Center, St Luke's Elmore Medical Center, St Luke's Wood River Medical Center and Grande Ronde Hospital.

When was this NPI record last updated?

The NPPES record for Caroline Arthur was last updated on July 30, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.