OrganizationActive
Relf Optical Ltd
NPI 1639115546 · Eyewear Supplier · Duluth, MN
Relf Optical Ltd is a Eyewear Supplier organization in Duluth, MN (NPI 1639115546).
Provider details
- NPI number
- 1639115546
- Entity type
- Organization
- Primary specialty
- Eyewear SupplierSuppliers
- Organization subpart
- No
- Authorized official
- Susan Relf, President(218) 720-3553
Specialties & taxonomies
Suppliers
Profile Score
Detailed profile(91/100 index)
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
5007 Matterhorn Dr
Duluth, MN 55811-3812
Phone: (218) 720-3553
Fax: (218) 786-9375
Street-level locationGet directions
Mailing address
5007 Matterhorn Dr
Duluth, MN 55811-3812
Registry dates
- Enumerated
- 2006-06-20
- Last updated
- 2010-12-22
Frequently asked questions
- What is Relf Optical Ltd's NPI number?
- Relf Optical Ltd's National Provider Identifier (NPI) is 1639115546, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Relf Optical Ltd?
- Relf Optical Ltd is classified in the NPPES registry as Eyewear Supplier (Suppliers).
- Where is Relf Optical Ltd located?
- Relf Optical Ltd's practice location on file with NPPES is 5007 Matterhorn Dr, Duluth, MN 55811-3812.
- What is Relf Optical Ltd's phone number?
- The practice phone number listed in the NPPES registry for Relf Optical Ltd is (218) 720-3553.
- Who is the authorized official for Relf Optical Ltd?
- The authorized official listed on Relf Optical Ltd's NPPES record is Susan Relf, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Relf Optical Ltd's NPI active?
- Yes — Relf Optical Ltd's NPI (1639115546) is active in the NPPES registry as of the last update on 2010-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.