Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

WEI WANG
NPI 1063141547
Internal Medicine in Fairfax, VA

Q: What is Wei Wang's NPI number?

The NPI number for Wei Wang is 1063141547. It was assigned to this individual provider in the NPPES registry on June 9, 2022.

Q: What is Wei Wang's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Wei Wang was last updated on July 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 34 days 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 June 09, 2022PECOS Enrolled

3600 JOSEPH SIEWICK DR, FAIRFAX, VA 22033(703) 391-3600 Get Directions Write a Review

NPPES record last updated: July 23, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Jul 23, 2026, Jun 9, 2022 (2 updates tracked since 2022).

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About Wei Wang NPPES

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

WEI WANG (NPI 1063141547) is an individual internal medicine provider in Fairfax, Virginia, licensed in Virginia (0101289601) and active in the NPI registry since June 2022. He is enrolled in Medicare PECOS and maintains a secondary practice location in Alexandria.

NPPES Registry Identity

NPI1063141547

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameWEI WANG

Location Address3600 JOSEPH SIEWICK DRFairfax, VA 22033-1709

Mailing Address10572 Red Oak StFairfax, VA 22030-2244

Phone(703) 391-3600

Sole ProprietorNo

Enumeration DateJune 9, 2022

Last NPPES UpdateJuly 23, 20262 updates tracked since enumeration

NPPES CertifiedJuly 23, 2026

✔ NPI 1063141547 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in VA · 0101289601

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.

3600 JOSEPH SIEWICK DR, Fairfax, VA 22033

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Secondary Practice Location 1

Location 16311 Richmond HwyAlexandria, VA 22306-6410 · Phone (703) 647-6087

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Wei Wang 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.

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

$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 20

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

MELISSA K HERSCH CRNA

Nurse Anesthetist, Certified Registered