Ronald Siwoff, O.D.

Primary specialty

Low Vision Rehabilitation OptometristTaxonomy code 152WL0500X

License

27OA003818 Issued in NJ

Practice address

75 Bloomfield Ave
Suite 206
Denville, NJ 07834-2734

Phone

(973) 627-7787

Fax

(973) 627-7701

NPI assigned

Jul 5, 2005

Reactivated

Mar 27, 2006

Sex

Male

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Other identifiers 3

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Opted out of Medicare

Yes, effective Jan 17, 2023 through Jan 17, 2027

Specialty

Optometry

Education

New England College of Optometry, 1977

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1120521600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1275004800000",
    "number": "1013914175",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "75 BLOOMFIELD AVE",
            "address_2": "SUITE 206",
            "city": "DENVILLE",
            "state": "NJ",
            "postal_code": "078342734",
            "telephone_number": "973-627-7787",
            "fax_number": "973-627-7701"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "75 BLOOMFIELD AVE",
            "address_2": "SUITE 206",
            "city": "DENVILLE",
            "state": "NJ",
            "postal_code": "078342734",
            "telephone_number": "973-627-7787",
            "fax_number": "973-627-7701"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIWOFF",
        "first_name": "RONALD",
        "credential": "O.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2005-07-05",
        "last_updated": "2010-05-28",
        "deactivation_date": "2006-03-20",
        "reactivation_date": "2006-03-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152WL0500X",
            "taxonomy_group": "",
            "desc": "Optometrist, Low Vision Rehabilitation",
            "state": "NJ",
            "license": "27OA003818",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "410047651",
            "state": "NJ"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "2795942",
            "state": "NJ"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HORIZON BC/BS",
            "identifier": "78022238353240",
            "state": "NJ"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Harpartap Singh, MD
• Jaideep Singh, MD
• Ravnit Singh, MD
• Neelima Sinha, MD
• Siwoff Low Vision Center, P.C.
• Caitlyn Skolnick, LCSW
• Alena Skutelsky, NP
• Andrew Peter Slootmaker, D.C.
• Pamela M. Small
• Therese L Smerklo, LPC, LCADC

• Low Vision Rehabilitation Optometrist in Denville, NJ
• Providers in Denville, NJ by specialty
• Low Vision Rehabilitation Optometrist in New Jersey

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 28, 2010; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Opt Out Affidavits.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.