Jamison Allen DO LLC
NPI 1659326049 · Internal Medicine Physician · Sycamore, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jamison Allen DO LLC is a Internal Medicine Physician organization in Sycamore, IL (NPI 1659326049).
Provider details
- NPI number
- 1659326049
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Jamison Allen, Owner/Physician(815) 748-5130
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-23
- Last updated
- 2008-10-10
Frequently asked questions
- What is Jamison Allen DO LLC's NPI number?
- Jamison Allen DO LLC's National Provider Identifier (NPI) is 1659326049, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Jamison Allen DO LLC?
- Jamison Allen DO LLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jamison Allen DO LLC located?
- Jamison Allen DO LLC's practice location on file with NPPES is 2560 Hauser Ross Dr, Sycamore, IL 60178-3150.
- What is Jamison Allen DO LLC's phone number?
- The practice phone number listed in the NPPES registry for Jamison Allen DO LLC is (815) 748-5130.
- Does Jamison Allen DO LLC accept Medicare?
- Jamison Allen DO LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Jamison Allen DO LLC?
- The authorized official listed on Jamison Allen DO LLC's NPPES record is Jamison Allen, Owner/Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Jamison Allen DO LLC's NPI active?
- Yes — Jamison Allen DO LLC's NPI (1659326049) is active in the NPPES registry as of the last update on 2008-10-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.