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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

PROFESSIONAL SLEEP DIAGNOSTICS, INC
NPI 1033217997
Clinic/Center - Sleep Disorder Diagnostic in Greenville, SC

Active since September 21, 2006
536 OLD HOWELL RD, GREENVILLE, SC 29615(917) 803-3470(336) 217-0802 Get Directions Write a Review

NPPES record last updated: June 18, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Professional Sleep Diagnostics, Inc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

PROFESSIONAL SLEEP DIAGNOSTICS, INC (NPI 1033217997) is a healthcare organization registered as a sleep disorder diagnostic in Greenville, South Carolina and active in the NPI registry since September 2006. The organization lists Steve Feldman, President, as its authorized official.

NPPES Registry Identity

NPI1033217997
Entity TypeOrganization
Primary Taxonomy261QS1200X
Legal Business NamePROFESSIONAL SLEEP DIAGNOSTICS, INC
Location Address536 OLD HOWELL RDGreenville, SC 29615-1969
Mailing Address536 Old Howell RdGreenville, SC 29615-1969 · (917) 803-3470 · Fax (336) 217-0802
Phone(917) 803-3470
Fax(336) 217-0802
Organization SubpartNo
Authorized OfficialSteve FeldmanPresident · (917) 803-3470
Enumeration DateSeptember 21, 2006
Last NPPES UpdateJune 18, 2026
NPPES CertifiedJune 18, 2026
✔ NPI 1033217997 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Sleep Disorder DiagnosticAmbulatory Health Care Facilities
Taxonomy Code261QS1200X
536 OLD HOWELL RD, Greenville, SC 29615
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SHANNON JONES OT/L
Occupational Therapist
536 OLD HOWELL RD
GREENVILLE, SC 29615
Greenville County (864) 244-3626
MELISSA DIEHL PT
Case Manager/Care Coordinator
536 OLD HOWELL RD
GREENVILLE, SC 29615
Greenville County (877) 508-3237
MS. MARIA SHEILA GALEA-BERNHARDT
Occupational Therapist
536 OLD HOWELL RD
GREENVILLE, SC 29615
Greenville County (864) 244-3626
MRS. AMY JEAN MEFFORD OTR/L
Occupational Therapist
536 OLD HOWELL RD
GREENVILLE, SC 29615
Greenville County (877) 508-3237
MISS MICHELLE MARMATAKIS COTA/L
Occupational Therapy Assistant
536 OLD HOWELL RD
GREENVILLE, SC 29615
Greenville County (864) 244-3626
PSC SLEEP CENTERS, LLC
Clinic/Center (Sleep Disorder Diagnostic)
536 OLD HOWELL RD
GREENVILLE, SC 29615
Greenville County (917) 803-3470
MISS CAROLINE ELIZABETH BROUJOS PT, DPT
Physical Therapist
536 OLD HOWELL RD
GREENVILLE, SC 29615
Greenville County (864) 244-3626
MRS. AMANDA ROXANNE LUM PTA
Physical Therapy Assistant
536 OLD HOWELL RD
GREENVILLE, SC 29615
Greenville County (877) 508-3237

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Professional Sleep Diagnostics, Inc's NPI number?

The NPI number for Professional Sleep Diagnostics, Inc is 1033217997. It was assigned to this organization in the NPPES registry on September 21, 2006.

Where is Professional Sleep Diagnostics, Inc located?

Professional Sleep Diagnostics, Inc is located at 536 Old Howell Rd, Greenville, SC 29615. The listed phone number is (917) 803-3470.

What is Professional Sleep Diagnostics, Inc's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Sleep Disorder Diagnostic, with taxonomy code 261QS1200X.

When was this NPI record last updated?

The NPPES record for Professional Sleep Diagnostics, Inc was last updated on June 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 59 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.