NPIMap

Organization Active NPI

Mid-Atlantic Nephrology Associates PA

  • Nephrology Physician
  • Catonsville, MD
National Provider Identifier
1821847799
Registry record updated Feb 12, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nephrology PhysicianTaxonomy code 207RN0300X
Legal business name
MID-ATLANTIC NEPHROLOGY ASSOCIATES PA
Practice address
516 N Rolling Rd Ste 304
Catonsville, MD 21228-4133
Phone
(410) 744-0890
Fax
(410) 744-2007
NPI assigned
May 14, 2024
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Feb 12, 2026

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

Authorized official

Name
Robert Fuld, MD
Title
President/Ceo
Phone
(410) 536-5400

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Nephrology PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 207RN0300X Primary

Addresses

Primary practice location

516 N Rolling Rd Ste 304
Catonsville, MD 21228-4133

Mailing address

1589 Sulphur Spring Rd Ste 109
Baltimore, MD 21227-2542
Phone (410) 536-5400

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
21D0916658Mid Atlantic Nephrology Associates PA516 North Rolling Rd Ste 304, Catonsville, MD 21228Provider-performed microscopyJan 8, 2028

National Provider Directory

National Provider Directory
Tax ID family
Mid Atlantic Nephrology9 organizations share this tax ID, including this one

Other organizations with this tax ID 8

Organizations that report the same tax identification number in the National Provider Directory.

NPI Registry JSON

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

{
    "created_epoch": "1715644800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1770854400000",
    "number": "1821847799",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1589 SULPHUR SPRING RD STE 109",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212272542",
            "telephone_number": "410-536-5400",
            "fax_number": "410-737-2168"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "516 N ROLLING RD STE 304",
            "city": "CATONSVILLE",
            "state": "MD",
            "postal_code": "212284133",
            "telephone_number": "410-744-0890",
            "fax_number": "410-744-2007"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MID-ATLANTIC NEPHROLOGY ASSOCIATES PA",
        "organizational_subpart": "NO",
        "enumeration_date": "2024-05-14",
        "last_updated": "2026-02-12",
        "certification_date": "2026-02-12",
        "status": "A",
        "authorized_official_last_name": "FULD",
        "authorized_official_first_name": "ROBERT",
        "authorized_official_title_or_position": "PRESIDENT/CEO",
        "authorized_official_telephone_number": "410-536-5400",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207RN0300X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Internal Medicine, Nephrology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Catonsville, MD

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 12, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • 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.