Diana F Penuela-Oneill PC
NPI 1659488898 · Optometrist · Algonquin, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana F Penuela-Oneill PC is a Optometrist organization in Algonquin, IL (NPI 1659488898).
Provider details
- NPI number
- 1659488898
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- Diana Penuela-Oneill, President(847) 658-0120
- License
- 046-008362 (IL)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
Other names (DBA / former)
- Doing business as
- Northwest Eyecare 1
Registry dates
- Enumerated
- 2006-08-24
- Last updated
- 2011-04-06
Frequently asked questions
- What is Diana F Penuela-Oneill PC's NPI number?
- Diana F Penuela-Oneill PC's National Provider Identifier (NPI) is 1659488898, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Diana F Penuela-Oneill PC?
- Diana F Penuela-Oneill PC is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is Diana F Penuela-Oneill PC located?
- Diana F Penuela-Oneill PC's practice location on file with NPPES is 245 Stonegate Rd, Algonquin, IL 60102-5614.
- What is Diana F Penuela-Oneill PC's phone number?
- The practice phone number listed in the NPPES registry for Diana F Penuela-Oneill PC is (847) 658-0120.
- Does Diana F Penuela-Oneill PC accept Medicare?
- Diana F Penuela-Oneill PC 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 Diana F Penuela-Oneill PC?
- The authorized official listed on Diana F Penuela-Oneill PC's NPPES record is Diana Penuela-Oneill, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Diana F Penuela-Oneill PC's NPI active?
- Yes — Diana F Penuela-Oneill PC's NPI (1659488898) is active in the NPPES registry as of the last update on 2011-04-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.