Olivia Dennison
NPI 1235955121 · Physician Assistant · Grandville, MI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Olivia Dennison is a Physician Assistant provider in Grandville, MI (NPI 1235955121).
Provider details
- NPI number
- 1235955121
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 5601013187 (MI)
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
- 2024-11-25
- Last updated
- 2025-09-22
- Certified
- 2025-09-22
Frequently asked questions
- What is Olivia Dennison's NPI number?
- Olivia Dennison's National Provider Identifier (NPI) is 1235955121, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Olivia Dennison's specialty?
- Olivia Dennison is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Olivia Dennison located?
- Olivia Dennison's practice location on file with NPPES is 6105 Wilson Ave Sw, Grandville, MI 49418-9714.
- What is Olivia Dennison's phone number?
- The practice phone number listed in the NPPES registry for Olivia Dennison is (616) 486-5100.
- Does Olivia Dennison accept Medicare?
- Olivia Dennison is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Olivia Dennison's NPI active?
- Yes — Olivia Dennison's NPI (1235955121) is active in the NPPES registry as of the last update on 2025-09-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.