Organization Active NPI

Preferred Diagnostic Centers, LLC

  • Sleep Disorder Diagnostic Clinic/Center
  • Greenville, SC
National Provider Identifier
1972540375
Registry record updated Jun 12, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Sleep Disorder Diagnostic Clinic/CenterTaxonomy code 261QS1200X
Legal business name
PREFERRED DIAGNOSTIC CENTERS, LLC
Practice address
536 Old Howell Rd
Greenville, SC 29615-1969
Phone
(864) 527-5970
Fax
(336) 217-0802
NPI assigned
Jun 2, 2006
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jun 12, 2026

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

Authorized official

Name
Steve Feldman
Title
President
Phone
(917) 803-3470

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Sleep Disorder Diagnostic Clinic/Center 261QS1200X Primary

Addresses

Primary practice location

536 Old Howell Rd
Greenville, SC 29615-1969

Mailing address

536 Old Howell Rd
Greenville, SC 29615-1969
Phone (917) 803-3470

National Provider Directory

National Provider Directory

Locations

950 Peninsula Corporate Cir
Ste 3022
Boca Raton, FL 33487
Phone (561) 241-1553

899 Meadows Rd
Ste 101
Boca Raton, FL 33486
Phone (561) 955-9363

18501 Pines Blvd
Ste 210B
Pembroke Pines, FL 33029

318 S Main St
Alpharetta, GA 30009
Phone (404) 633-8047

318 S Main St
Ste 300
Alpharetta, GA 30009
Phone (678) 990-8274

1359 Milstead Rd NE
Ste 102
Conyers, GA 30012

484 Irvin Ct
#130
Decatur, GA 30030
Phone (678) 973-0682

660 Lanier Park Dr
Ste D
Gainesville, GA 30501
Phone (770) 531-7788

618 S 8th St
Ste A
Griffin, GA 30224
Phone (770) 761-8468

6160 Peachtree Dunwoody Rd
#A103
Sandy Springs, GA 30328
Phone (678) 904-1890

5555 Peachtree Dunwoody Rd
Ste 106
Sandy Springs, GA 30342
Phone (404) 256-4247

1608 Tree Ln
Ste 202
Snellville, GA 30078
Phone (770) 761-8468

NPI Registry JSON

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

{
    "created_epoch": "1149206400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1781222400000",
    "number": "1972540375",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "536 OLD HOWELL RD",
            "city": "GREENVILLE",
            "state": "SC",
            "postal_code": "296151969",
            "telephone_number": "917-803-3470",
            "fax_number": "336-217-0802"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "536 OLD HOWELL RD",
            "city": "GREENVILLE",
            "state": "SC",
            "postal_code": "296151969",
            "telephone_number": "864-527-5970",
            "fax_number": "336-217-0802"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "PREFERRED DIAGNOSTIC CENTERS, LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-06-02",
        "last_updated": "2026-06-12",
        "certification_date": "2026-06-12",
        "status": "A",
        "authorized_official_last_name": "FELDMAN",
        "authorized_official_first_name": "STEVE",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "917-803-3470"
    },
    "taxonomies": [
        {
            "code": "261QS1200X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Sleep Disorder Diagnostic",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Greenville, SC

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 12, 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.