Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Chestnut Medicine of Wi Ltd

Organization Internal Medicine Physician · NPI 1043805930

Chestnut Medicine of Wi Ltd provides Internal Medicine Physician services in Waukesha, Wisconsin. Registered with an NPI since 2021.

In the registry since
2021
What do these letters mean?
Ltd — Limited
A form of business registration, not a clinical qualification.

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Practice location Address checks out

1451 Cleveland Ave
Waukesha, WI 53186-3876
Phone: (262) 547-2123
Fax: (262) 547-6204
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X

Record details

NPI number1043805930
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Omair Siraj — Ceo · (703) 964-8199
NPI enumeratedMarch 3, 2021
Last updated in NPPESMay 27, 2022
Certification dateMay 27, 2022
Mailing addressPo Box 33, Bedford Park, IL 60499-0033

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