Individual provider Active NPI

Ronald Alan Seff, MD

  • Ophthalmology Physician
  • Baltimore, MD
National Provider Identifier
1144216011
Registry record updated Oct 1, 2013
On this page

Key facts

NPPES NPI Registry
Primary specialty
Ophthalmology PhysicianTaxonomy code 207W00000X
License
D16254 Issued in MD
Practice address
19 Fontana LN
Suite 108
Baltimore, MD 21237-3047
Phone
(410) 574-4040
NPI assigned
Sep 26, 2005
Last updated
Oct 1, 2013By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Oct 1, 2013

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Ophthalmology Physician 207W00000X D16254 MD Primary

Addresses

Primary practice location

19 Fontana LN
Suite 108
Baltimore, MD 21237-3047

Mailing address

19 Fontana Lane
Suite 108
Baltimore, MD 21237-3047
Phone (410) 574-4040

Other identifiers 2

IdentifierTypeStateIssuer
938QOtherMDMEDICARE P TEN
310303P0000MedicaidMD

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
D16254MDMDOphthalmology Physician

Organizations & group practices 1

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1127692800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1380585600000",
    "number": "1144216011",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "19 FONTANA LANE",
            "address_2": "SUITE 108",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212373047",
            "telephone_number": "410-574-4040"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "19 FONTANA LN",
            "address_2": "SUITE 108",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212373047",
            "telephone_number": "410-574-4040"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SEFF",
        "first_name": "RONALD",
        "middle_name": "ALAN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2005-09-26",
        "last_updated": "2013-10-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "MD",
            "license": "D16254",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE P TEN",
            "identifier": "938Q",
            "state": "MD"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "310303P0000",
            "state": "MD"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Baltimore, MD

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 1, 2013; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.