Siwoff Low Vision Center, P.C.
NPI 1710254032 · Low Vision Rehabilitation Optometrist · Denville, NJ
Siwoff Low Vision Center, P.C. is a Low Vision Rehabilitation Optometrist organization in Denville, NJ (NPI 1710254032).
Provider details
- NPI number
- 1710254032
- Entity type
- Organization
- Primary specialty
- Low Vision Rehabilitation OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- Ronald Siwoff, Director(973) 627-7787
- License
- 27OA00381800 (NJ)
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
14 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
Registry dates
- Enumerated
- 2011-12-01
- Last updated
- 2011-12-01
Frequently asked questions
- What is Siwoff Low Vision Center, P.C.'s NPI number?
- Siwoff Low Vision Center, P.C.'s National Provider Identifier (NPI) is 1710254032, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Siwoff Low Vision Center, P.C.?
- Siwoff Low Vision Center, P.C. is classified in the NPPES registry as Low Vision Rehabilitation Optometrist (Eye and Vision Services Providers).
- Where is Siwoff Low Vision Center, P.C. located?
- Siwoff Low Vision Center, P.C.'s practice location on file with NPPES is 75 Bloomfield Ave, Denville, NJ 07834-2735.
- What is Siwoff Low Vision Center, P.C.'s phone number?
- The practice phone number listed in the NPPES registry for Siwoff Low Vision Center, P.C. is (973) 627-7787.
- Who is the authorized official for Siwoff Low Vision Center, P.C.?
- The authorized official listed on Siwoff Low Vision Center, P.C.'s NPPES record is Ronald Siwoff, Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Siwoff Low Vision Center, P.C.'s NPI active?
- Yes — Siwoff Low Vision Center, P.C.'s NPI (1710254032) is active in the NPPES registry as of the last update on 2011-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.