Ronald Siwoff, O.D

InactiveIndividual ProviderOptometry
NPI issued: July 5, 2005

Quick Facts

NPI Number
1013914175
TypeIndividual
StatusInactive
SpecialtyOptometry
Taxonomy152WL0500X — Optometry
Phone
(973) 627-7787
StateNJ

NPI Validation Status: Deactivated

✅Valid 10-digit NPI number (1013914175)
❌Active status: Deactivated / Inactive
✅Verified by CMS NPPES Registry
✅HIPAA compliant identifier
✅Enumeration date on file (July 5, 2005)
Data source: CMS NPPES

Provider Overview

RONALD SIWOFF, O.D is a Optometry provider based in Denville, NJ who has been registered with CMS since 2005. This NPI is currently Deactivated under CMS NPPES registry.

Provider Details

NPI Number1013914175
Provider TypeIndividual Provider
GenderMale
CredentialO.D
StatusInactive
Enumeration DateJuly 5, 2005

Practice Location

CityDenville
StateNJ
ZIP Code07834-2734
Phone(973) 627-7787

Specialties & Licenses

★ Primary
SpecialtyOptometry
Taxonomy Code152WL0500X
License StateNJ

Mailing Address

CityDenville
StateNJ
ZIP Code07834-2734
Phone(973) 627-7787
Same as practice location

How to Use This NPI

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For Insurance Billing

Use NPI 1013914175 in Box 33 of the CMS-1500 claim form. This number is required by all major insurance carriers to identify the billing provider and process electronic medical claims.

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For Credentialing

Reference NPI 1013914175for provider credential verification. Hospital systems, state licensing boards, and CAQH directories query this number to verify the provider's active clinical status.

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For Patients

Share NPI 1013914175 with your insurance company. If you need to verify out-of-network benefits or file a reimbursement claim, your insurance provider will require this number to process it.

About Optometry

Specialists in Optometry provide expert clinical care within their specific domain, focusing on the diagnosis, treatment, and management of conditions relevant to their field of practice.

Browse all Optometryproviders →
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479
Optometry Providers in the US

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People Also Ask

What is Ronald Siwoff's NPI number?
Ronald Siwoff's NPI number is 1013914175, a unique 10-digit identifier issued by the Centers for Medicare & Medicaid Services (CMS).
Is Ronald Siwoff's NPI currently active?
No, Ronald Siwoff's NPI status is Inactive as of the latest CMS NPPES database updates.
What does Ronald Siwoff specialize in?
Ronald Siwoff specializes in Optometry. The healthcare taxonomy code associated with this specialty is 152WL0500X.
Where does Ronald Siwoff practice?
Ronald Siwoff practices in Denville, NJ 07834-2734.
When was Ronald Siwoff's NPI issued?
Ronald Siwoff's NPI was issued on July 5, 2005.
What is Ronald Siwoff's provider type?
Ronald Siwoff is registered as an Individual Provider under CMS NPI Type 1.