Watermark Medical, Inc.

Primary specialty

Sleep Disorder Diagnostic Clinic/CenterTaxonomy code 261QS1200X

Legal business name

WATERMARK MEDICAL, INC.

Practice address

1117 Perimeter Center West
Suite W514
Atlanta, GA 30338

Phone

(877) 710-6999

NPI assigned

Nov 2, 2009

Organization subpart

No

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

Authorized official

Name

Steve Feldman

Title

President

Phone

(321) 676-0010

Specialties & licenses 1

Addresses

Other names 2

• Pivotal Health Doing business as
• ReactDx Doing business as

Subparts reporting this organization as parent 1

Organizations that report themselves as subparts in NPPES and name this organization, in the same state, as their parent.

• WM Therapycare, Inc.

  • Durable Medical Equipment & Medical Supplies
  • Atlanta, GA
  • NPI 1366709479
  NPPES parent name

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Chandra Matadeen-Ali, MD

  • Sleep Medicine (Internal Medicine) Physician
  • Glen Mills, PA
  • NPI 1811197619
  NPD

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

{
    "created_epoch": "1257120000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1776211200000",
    "number": "1063748671",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "600 ATLANTIS RD",
            "city": "MELBOURNE",
            "state": "FL",
            "postal_code": "329042315",
            "telephone_number": "321-821-2032"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1117 PERIMETER CENTER WEST",
            "address_2": "SUITE W514",
            "city": "ATLANTA",
            "state": "GA",
            "postal_code": "30338",
            "telephone_number": "877-710-6999"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "WATERMARK MEDICAL, INC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2009-11-02",
        "last_updated": "2026-04-15",
        "certification_date": "2026-04-15",
        "status": "A",
        "authorized_official_last_name": "FELDMAN",
        "authorized_official_first_name": "STEVE",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "321-676-0010"
    },
    "taxonomies": [
        {
            "code": "261QS1200X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Sleep Disorder Diagnostic",
            "state": "GA",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Pivotal Health",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "ReactDx",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

• Jessica L Wasserman, NP
• Nathan Aaron Wasserman, MD
• Affan Wasti
• Waterford Medical Clinic
• Mark B. Waterman, M.D.
• Alyssa Waters, OTD, OTR/L
• Brittany Waters, DMD
• Chiyyia Nycole Waters
• Courtnee Waters, RBT
• Kacie Waters, PHARM.D.

• Sleep Disorder Diagnostic Clinic/Center in Atlanta, GA
• Providers in Atlanta, GA by specialty
• Sleep Disorder Diagnostic Clinic/Center in Georgia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 15, 2026; 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.