Maryland Diagnostic Services, Inc.

Primary specialty

Electroneurodiagnostic Specialist/TechnologistTaxonomy code 246ZE0600X

Legal business name

MARYLAND DIAGNOSTIC SERVICES, INC.

Practice address

101 W Ridgely Rd
7B
Timonium, MD 21093-5101

Phone

(410) 628-6046

NPI assigned

Jul 8, 2005

Last updated

Sep 11, 2025By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Mr. Michael Coren

Title

President

Phone

(215) 354-1260

Specialties & licenses 4

Addresses

Other identifiers 3

Locations

Practitioners 7

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• David S. Berliner, M.D.

  • Cardiovascular Disease Physician
  • Towson, MD
  • NPI 1013910454
  NPD (past)
• Sidney O. Gottlieb, M.D.

  • Cardiovascular Disease Physician
  • Towson, MD
  • NPI 1477556793
  NPD (past)
• Robert J Hage, DO

  • Diagnostic Radiology Physician
  • Clinton, MD
  • NPI 1154484608
  NPD (past)
• Richard Morris Weisman, MD

  • Neurology Physician
  • Towson, MD
  • NPI 1396746640
  NPD (past)
• Shannon J Winakur, M.D.

  • Cardiovascular Disease Physician
  • Baltimore, MD
  • NPI 1235123290
  NPD (past)
• Luis Anibal Queral, MD

  • Vascular Surgery Physician
  • Hialeah, FL
  • NPI 1780652727
  NPD (past)
• Raymond E Waters III, M.D.

  • Diagnostic Radiology Physician
  • Washington, DC
  • NPI 1457475105
  NPD (past)

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

{
    "created_epoch": "1120780800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1757548800000",
    "number": "1073511655",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "853 SECOND STREET PIKE",
            "address_2": "B104",
            "city": "RICHBORO",
            "state": "PA",
            "postal_code": "189541082",
            "telephone_number": "215-354-1260",
            "fax_number": "215-354-1266"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "101 W RIDGELY RD",
            "address_2": "7B",
            "city": "TIMONIUM",
            "state": "MD",
            "postal_code": "210935101",
            "telephone_number": "410-628-6046"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MARYLAND DIAGNOSTIC SERVICES, INC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2005-07-08",
        "last_updated": "2025-09-11",
        "status": "A",
        "authorized_official_last_name": "COREN",
        "authorized_official_first_name": "MICHAEL",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "215-354-1260",
        "authorized_official_name_prefix": "Mr."
    },
    "taxonomies": [
        {
            "code": "246XC2903X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Specialist/Technologist Cardiovascular, Vascular Specialist",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "246ZE0600X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Specialist/Technologist, Other, Electroneurodiagnostic",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "2471S1302X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Radiologic Technologist, Sonography",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2471V0105X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Radiologic Technologist, Vascular Sonography",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "111523",
            "state": "MD"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CAREFIRST BC/BS",
            "identifier": "H444MA",
            "state": "MD"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CAREFIRST BLUECHOICE",
            "identifier": "E509",
            "state": "MD"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Katelynn Nicole Marshall
• Sylvia Aletha Marshall
• Rodney D Martin, DDS
• Maryam Khan MD LLC
• Maryland and Virginia Phlebology PC
• Maryland Endodontic Group, P.C.
• Maryland Family Care, Inc.
• Maryland Family Care, Inc.
• Maryland Sportscare & Rehab, LLC (Pivot Physical Therapy of Maryland)
• Sabeen Matalka, LCPC

• Electroneurodiagnostic Specialist/Technologist in Timonium, MD
• Providers in Timonium, MD by specialty
• Electroneurodiagnostic Specialist/Technologist in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; 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.