Allison Harris, PA-C
NPI 1790588739 · Physician Assistant · O Fallon, IL
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Allison Harris, PA-C is a Physician Assistant provider in O Fallon, IL (NPI 1790588739).
Provider details
- NPI number
- 1790588739
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 085011221 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
- 2025-03-27
- Last updated
- 2025-06-03
- Certified
- 2025-06-03
Frequently asked questions
- What is Allison Harris's NPI number?
- Allison Harris's National Provider Identifier (NPI) is 1790588739, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allison Harris's specialty?
- Allison Harris is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Allison Harris located?
- Allison Harris's practice location on file with NPPES is 3 Saint Elizabeth Blvd Ste 5000, O Fallon, IL 62269-1282.
- What is Allison Harris's phone number?
- The practice phone number listed in the NPPES registry for Allison Harris is (618) 641-5803.
- Does Allison Harris accept Medicare?
- Allison Harris is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Allison Harris's NPI active?
- Yes — Allison Harris's NPI (1790588739) is active in the NPPES registry as of the last update on 2025-06-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.