SIWOFF LOW VISION CENTER, P.C.
NPI 1710254032
Optometrist - Low Vision Rehabilitation in Denville, NJ
NPI Status: Active since December 01, 2011
Contact Information
75 BLOOMFIELD AVE
SUITE 206
DENVILLE, NJ
ZIP 07834
Phone: (973) 627-7787
Fax: (973) 627-7701
- Organization
- Optometrist
- Low Vision Rehabilitation
- CLIA Number: 31D2057566
- CLIA Cert. Type: Physician Office
- CLIA Exp. Date: 04-17-2027
About SIWOFF LOW VISION CENTER, P.C.
This page provides the complete NPI Profile along with additional information for Siwoff Low Vision Center, P.c., a provider established in Denville, New Jersey operating as a Optometrist, focusing in low vision rehabilitation . The healthcare provider is registered in the NPI registry with number 1710254032 assigned on December 2011. The practitioner's primary taxonomy code is 152WL0500X with license number 27OA00381800 (NJ). The provider is registered as an organization and their NPI record was last updated 15 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. Ronald Siwoff Od (Director)
- NPI
- 1710254032
- Provider Name
- SIWOFF LOW VISION CENTER, P.C.
- Entity Type
- Organization
- Location Address
- 75 BLOOMFIELD AVE SUITE 206 DENVILLE, NJ 07834
- Location Phone
- (973) 627-7787
- Location Fax
- (973) 627-7701
- Mailing Address
- 75 BLOOMFIELD AVE SUITE 206 DENVILLE, NJ 07834
- Mailing Phone
- (973) 627-7787
- Mailing Fax
- (973) 627-7701
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 12-01-2011
- Last Update Date
- 12-01-2011
- Code Navigator
Location Map
Specialty - Primary Taxonomy
The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.
- Classification
Optometrist Low Vision Rehabilitation
- Taxonomy Code
- 152WL0500X
- Type
- Eye and Vision Services Providers
- License No.
- 27OA00381800
- License State
- NJ
- Taxonomy Description
- Optometrists who specialize in low-vision care having training to assess visual function, prescribe low-vision devices, develop treatment plans, and recommend other vision rehabilitation services.
Group Taxonomy 193400000X SINGLE SPECIALTY GROUP
This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.
Insurance Plans Accepted
According to publicly available information the provider might be accepting the following health plans from these health insurance companies:
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
*Please verify directly with this provider to make sure your insurance plan is currently accepted.
Additional Identifiers
The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.
| Identifier | Type / Code | Identifier State | Identifier Issuer |
|---|---|---|---|
| 521315 | MEDICARE UPIN (02) | NJ |
CLIA Information
The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:
- CLIA Number
- 31D2057566
- Facility Type
- Physician Office
- Certificate Effective Date
- April 18, 2025
- Certificate Expiration Date
- April 17, 2027
- Laboratory Director
- DR. RONALD SIWOFF
- Certificate Type
- Certificate of Waiver
- Certificate Type Description
- This CLIA certificate is issued to Siwoff Low Vision Center, P.c. to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.
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NPI NPI Number Validation
How NPI Validation Works
The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.
To verify the NPI 1710254032, we treat the final digit (2) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).
Digit-by-digit view
Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.
Step 1: Double every other digit from the right
Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 58 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 14 providers are registered at the same or a nearby location.
DENVILLE, NJ 07834
DENVILLE, NJ 07834
DENVILLE, NJ 07834
DENVILLE, NJ 07834
DENVILLE, NJ 07834
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1710254032, enumerated as an "organization" on December 01, 2011.
The provider is located at 75 BLOOMFIELD AVE SUITE 206 DENVILLE, NJ 07834 and the phone number is (973) 627-7787.
Optometrist with taxonomy code 152WL0500X and a focus in Low Vision Rehabilitation.
The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.
