EILEEN C WEST MD
NPI 1366411639
Internal Medicine in Fairfax, VA

Q: What is Eileen West's NPI number?

The NPI number for Eileen West is 1366411639. It was assigned to this individual provider in the NPPES registry on March 17, 2006.

Q: What is Eileen West's specialty?

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

Q: Is Eileen West enrolled in Medicare?

No. Eileen West has opted out of Medicare through January 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

Q: When was this NPI record last updated?

The NPPES record for Eileen West was last updated on January 6, 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.

Active since March 17, 2006Opted out of Medicare · through Jan 1, 2028CLIA 49D2178482 · Waiver

8316 ARLINGTON BLVD STE 330, FAIRFAX, VA 22031(571) 999-9378(571) 349-8885 Get Directions Write a Review

NPPES record last updated: January 6, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Eileen C West Md NPPES

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

EILEEN C WEST MD (NPI 1366411639) is an individual internal medicine provider in Fairfax, Virginia, licensed in Oklahoma (22715) and active in the NPI registry since March 2006. She has opted out of Medicare through January 1, 2028 and remains eligible to order and refer and holds a CLIA Waiver certificate valid through February 3, 2028.

NPPES Registry Identity

NPI1366411639

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameEILEEN C WESTCredential: MD

Location Address8316 ARLINGTON BLVD STE 330Fairfax, VA 22031-5205

Mailing Address8316 Arlington Blvd Ste 330Fairfax, VA 22031-5205 · (571) 999-9378 · Fax (571) 349-8885

Phone(571) 999-9378

Fax(571) 349-8885

Sole ProprietorYes

Enumeration DateMarch 17, 2006

Last NPPES UpdateJanuary 6, 2020

✔ NPI 1366411639 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in OK · 22715

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.

8316 ARLINGTON BLVD STE 330, Fairfax, VA 22031

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Other Identifiers 1

Other0101259288VA · Virginia Board Of Medical Licensure

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Eileen C West Md has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 1, 2020 through January 1, 2028.

Opt-Out Effective DateJanuary 1, 2020

Opt-Out In Effect ThroughJanuary 1, 2028Opt-out affidavits renew automatically every two years unless cancelled

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 49D2178482

Eileen West MD & Associates · Fairfax, VA

Active · expires Feb 3, 2028

CLIA Number49D2178482

Laboratory TypePhysician Office

Certificate Effective DateFebruary 4, 2026

Certificate Expiration DateFebruary 3, 2028

Laboratory DirectorEileen West

Laboratory Phone(571) 999-9378

Laboratory LocationEileen West MD & Associates8316 Arlington Blvd, Suite 330, Fairfax, VA 22031

CLIA data matches this NPI record on: Address Name Phone

This certificate is issued to a laboratory to perform only waived tests.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22031 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.

Other Providers at the Same Location NPPES

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

SARA HAMADE MD, PLLC

Obstetrics & Gynecology

8316 ARLINGTON BLVD STE 330
FAIRFAX, VA 22031

Fairfax County (312) 504-2636

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 Eileen West's NPI number?

The NPI number for Eileen West is 1366411639. It was assigned to this individual provider in the NPPES registry on March 17, 2006.

Where is Eileen West located?

Eileen West practices at 8316 Arlington Blvd Ste 330, Fairfax, VA 22031. The listed phone number is (571) 999-9378.

What is Eileen West's specialty?

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

Is Eileen West enrolled in Medicare?

No. Eileen West has opted out of Medicare through January 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

Does Eileen West hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 49D2178482) is associated with this NPI, valid through February 3, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Eileen West was last updated on January 6, 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.