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

Jamison Allen DO LLC

Organization Internal Medicine Physician · NPI 1659326049

Jamison Allen DO LLC provides Internal Medicine Physician services in Sycamore, Illinois. Registered with an NPI since 2006.

In the registry since
2006
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

2560 Hauser Ross Dr Ste 450
Sycamore, IL 60178-3150 Not confirmed with CMS for 18 years — call before visiting
Phone: (815) 748-5130
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X

Record details

NPI number1659326049
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Jamison Allen — Owner/Physician · (815) 748-5130
NPI enumeratedMay 23, 2006
Last updated in NPPESOctober 10, 2008
Mailing address2560 Hauser Ross Dr, Suite 450, Sycamore, IL 60178-3150

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