OrganizationActive
John S Rossi
NPI 1881825800 · Eyewear Supplier · Ontario, CA
John S Rossi is a Eyewear Supplier organization in Ontario, CA (NPI 1881825800).
Provider details
- NPI number
- 1881825800
- Entity type
- Organization
- Primary specialty
- Eyewear SupplierSuppliers
- Organization subpart
- No
- Authorized official
- John Rossi, Optometrist(909) 986-4162
- License
- OPT8156 (CA)
Specialties & taxonomies
Suppliers
Profile Score
Detailed profile(85/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
615 N Palm Ave
Ontario, CA 91762-3219
Phone: (909) 986-4162
Fax: (909) 984-3657
Street-level locationGet directions
Mailing address
615 N Palm Ave
Ontario, CA 91762-3219
Registry dates
- Enumerated
- 2009-08-07
- Last updated
- 2009-08-07
Frequently asked questions
- What is John S Rossi's NPI number?
- John S Rossi's National Provider Identifier (NPI) is 1881825800, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John S Rossi?
- John S Rossi is classified in the NPPES registry as Eyewear Supplier (Suppliers).
- Where is John S Rossi located?
- John S Rossi's practice location on file with NPPES is 615 N Palm Ave, Ontario, CA 91762-3219.
- What is John S Rossi's phone number?
- The practice phone number listed in the NPPES registry for John S Rossi is (909) 986-4162.
- Who is the authorized official for John S Rossi?
- The authorized official listed on John S Rossi's NPPES record is John Rossi, Optometrist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is John S Rossi's NPI active?
- Yes — John S Rossi's NPI (1881825800) is active in the NPPES registry as of the last update on 2009-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.