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

ARSAL HASSAN ALI THARWANI MD
NPI 1255942892
Internal Medicine - Pulmonary Disease in Fairfax, VA

Q: What is Arsal Tharwani's NPI number?

The NPI number for Arsal Tharwani is 1255942892. It was assigned to this individual provider in the NPPES registry on August 16, 2020.

Q: What is Arsal Tharwani's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Q: When was this NPI record last updated?

The NPPES record for Arsal Tharwani was last updated on September 2, 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 August 16, 2020PECOS Enrolled

8260 WILLOW OAKS CORPORATE DR STE 500, FAIRFAX, VA 22031(703) 641-8616(571) 665-6942 Get Directions Write a Review

NPPES record last updated: September 2, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 2, 2026, Aug 16, 2020 (2 updates tracked since 2020).

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About Arsal Hassan Ali Tharwani Md NPPES

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

ARSAL HASSAN ALI THARWANI MD (NPI 1255942892) is an individual pulmonary disease provider in Fairfax, Virginia, licensed in Virginia (0101288825) and active in the NPI registry since August 2020. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1255942892

Entity TypeIndividualMale

Primary Taxonomy207RP1001X

Provider Legal NameARSAL HASSAN ALI THARWANICredential: MD

Location Address8260 WILLOW OAKS CORPORATE DR STE 500Fairfax, VA 22031-4515

Mailing AddressPo Box 37174Baltimore, MD 21297-3174 · (571) 472-6253

Phone(703) 641-8616

Fax(571) 665-6942

Sole ProprietorNo

Enumeration DateAugust 16, 2020

Last NPPES UpdateSeptember 2, 20262 updates tracked since enumeration

NPPES CertifiedSeptember 2, 2026

✔ NPI 1255942892 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

License✔ Licensed in VA · 0101288825

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

8260 WILLOW OAKS CORPORATE DR STE 500, Fairfax, VA 22031

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Arsal Hassan Ali Tharwani Md 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 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.

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.

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512

Treatment-Chemotherapy · category RH012N

2 suppliers14 claims14 services$12.61 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

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

ERICA YEBIN KIM MD

Internal Medicine (Pulmonary Disease)

8260 WILLOW OAKS CORPORATE DR STE 500
FAIRFAX, VA 22031

Fairfax County (703) 641-8616

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 Arsal Tharwani's NPI number?

The NPI number for Arsal Tharwani is 1255942892. It was assigned to this individual provider in the NPPES registry on August 16, 2020.

Where is Arsal Tharwani located?

Arsal Tharwani practices at 8260 Willow Oaks Corporate Dr Ste 500, Fairfax, VA 22031. The listed phone number is (703) 641-8616.

What is Arsal Tharwani's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Arsal Tharwani enrolled in Medicare?

Yes. Arsal Tharwani is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Arsal Tharwani was last updated on September 2, 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.