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JAMISON ALLEN DO LLC
NPI 1659326049
Internal Medicine in Sycamore, IL

Active since May 23, 2006
2560 HAUSER ROSS DR, SUITE 450, SYCAMORE, IL 60178(815) 748-5130 Get Directions Write a Review

NPPES record last updated: October 10, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Jamison Allen Do Llc NPPES

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

JAMISON ALLEN DO LLC (NPI 1659326049) is a healthcare organization registered as an internal medicine in Sycamore, Illinois and active in the NPI registry since May 2006. The organization lists Jamison Allen, Owner/physician, as its authorized official.

NPPES Registry Identity

NPI1659326049
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameJAMISON ALLEN DO LLC
Location Address2560 HAUSER ROSS DR, SUITE 450Sycamore, IL 60178-3150
Mailing Address2560 Hauser Ross Dr, Suite 450Sycamore, IL 60178-3150
Phone(815) 748-5130
Organization SubpartNo
Authorized OfficialJamison AllenOwner/physician · (815) 748-5130
Enumeration DateMay 23, 2006
Last NPPES UpdateOctober 10, 2008
✔ NPI 1659326049 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
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.
2560 HAUSER ROSS DR, Sycamore, IL 60178
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Other Identifiers 4

Medicare PIN211137IL
Medicare PIN211136IL
Medicare PINDD4528IL
Other0001932043IL · Bc Bs

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jamison Allen Do Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

4

Medicare enrollment records show 4 clinicians reassign Medicare billing to Jamison Allen Do LLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 3 within 10 miles. They are listed nearest first.

Clinicians, nearest first (4)

Megan Martin, FNP
Nurse Practitioner
NPI 1366932139
2560 HAUSER ROSS DR STE 450
Sycamore, IL 60178
(815) 748-3040
✔ PECOS✔ Accepts MedicareSame address
Jamison Allen, D.O.
Family Practice
NPI 1184614760
2560 HAUSER ROSS DR SUITE 450
Sycamore, IL 60178
(703) 964-8199
✔ PECOS✔ Accepts Medicare2.5 mi
Shannon Wuestenberg, APRN
Nurse Practitioner
NPI 1356109490
2560 HAUSER ROSS DR STE 450
Sycamore, IL 60178
(815) 748-3040
✔ PECOS✔ Accepts Medicare3.3 mi
Brianna Orr, FNP-C
Nurse Practitioner
NPI 1881367167
N10561 GRANDVIEW LN
Ironwood, MI 49938
(906) 932-2525
✔ PECOS✔ Accepts Medicare320 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Jamison Allen Do LLC's NPI number?

The NPI number for Jamison Allen Do LLC is 1659326049. It was assigned to this organization in the NPPES registry on May 23, 2006.

Where is Jamison Allen Do LLC located?

Jamison Allen Do LLC is located at 2560 Hauser Ross Dr Suite 450, Sycamore, IL 60178. The listed phone number is (815) 748-5130.

What is Jamison Allen Do LLC's specialty?

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

Is Jamison Allen Do LLC enrolled in Medicare?

Yes. Jamison Allen Do LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Jamison Allen Do LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians in 2 Medicare specialties reassign their Medicare billing to Jamison Allen Do LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (3) and Family Practice (1). Of these, 1 practice at this address and 3 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Jamison Allen Do LLC accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Jamison Allen Do LLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Jamison Allen Do LLC was last updated on October 10, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.