SIAMAK ARASSI (MD) – Addiction Medicine (Internal Medicine) Physician, NPI 1083680417

Excluded from federal healthcare programs (Medicare/Medicaid)

This provider is listed on the OIG List of Excluded Individuals/Entities (LEIE). Exclusion effective: 2023-06-20. Reason: License revocation, suspension, or surrender.

Addiction Medicine (Internal Medicine) Physician

SIAMAK ARASSI (MD) is a healthcare provider. based in Brookfield, Wisconsin. specializing in Addiction Medicine (Internal Medicine) Physician. They hold the professional credentials MD. They hold a License No. 41661-21 (WI). The NPI Number for SIAMAK ARASSI (MD) is 1083680417

Main info

Male

29 Years Of Experience

Accepts Medicare Assignment

Name

SIAMAK ARASSI (MD)

NPI

1083680417

Phone

(262) 781-0240

Address

19115 W CAPITOL DR

Enumeration Date

26 February 2006

Last Update Date

22 August 2018

Doctor Profile

Medical School Name

OTHER

Secondary Phone

Graduation Year

1997 (29 years ago)

PAC ID

0143121434

Professional Enrollment ID

I20040120000011

Data current as of

19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology

Experience63

Completeness75

Years active:20State licenses:2Digital endpointsOther names

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Provider Addresses for SIAMAK ARASSI (MD)

19115, West Capitol Drive, Brookfield, Waukesha County, Wisconsin, 53045, United States
117
BROOKFIELD, WI 530452754
Phone: (262) 781-0240
Fax: (262) 373-0148
Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

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Medicare Enrollment & Revalidation

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Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

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Medicare Utilization (FFS)

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Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 53045)

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Frequently asked questions

What number should I use to identify SIAMAK ARASSI (MD) for billing?

Administrative and clinical systems typically use NPI 1083680417 for SIAMAK ARASSI (MD).

Does the public listing show SIAMAK ARASSI (MD) as active?

SIAMAK ARASSI (MD)'s NPI record reflects an active status in NPPES.

What services align with SIAMAK ARASSI (MD)'s listing?

SIAMAK ARASSI (MD)'s public classification highlights Addiction Medicine (Internal Medicine) Physician. Clinical services aligned with this taxonomy classification.

Is SIAMAK ARASSI (MD) tied to Brookfield, Wisconsin?

If you are local to Brookfield, Wisconsin, SIAMAK ARASSI (MD) may be relevant to your search.

Who maintains SIAMAK ARASSI (MD)'s record?

Providers certify NPPES data; CMS hosts the public file you are viewing.