DR. CYNTHIA RAE MARKS PH.D.
NPI 1669582250
Psychologist - Counseling in Greenville, SC

Active since August 30, 2006Opted out of Medicare · through Aug 10, 2026
405 PETTIGRU ST, GREENVILLE, SC 29601(864) 271-3549(864) 271-8282 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Cynthia Rae Marks Ph.d. NPPES

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

DR. CYNTHIA RAE MARKS PH.D. (NPI 1669582250) is an individual counseling provider in Greenville, South Carolina, licensed in South Carolina (699) and active in the NPI registry since August 2006. She has opted out of Medicare through August 10, 2026 and remains eligible to order and refer.

NPPES Registry Identity

NPI1669582250
Entity TypeIndividualFemale
Primary Taxonomy103TC1900X
Provider Legal NameDR. CYNTHIA RAE MARKSCredential: PH.D.
Location Address405 PETTIGRU STGreenville, SC 29601-3114
Mailing Address108 Rippleview DrClemson, SC 29631-1625 · (864) 654-9745
Fax(864) 271-8282
Sole ProprietorYes
Enumeration DateAugust 30, 2006
Last NPPES UpdateJuly 8, 2007
NPI 1669582250 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologist · CounselingBehavioral Health & Social Service Providers
Taxonomy Code103TC1900X
License Licensed in SC · 699
Definition

A psychologist who specializes in general practice and health service. It focuses on how people function both personally and in their relationships at all ages. Counseling psychology addresses the emotional, social, work, school and physical health concerns people may have at different stages in their lives, focusing on typical life stresses and more severe issues with which people may struggle as individuals and as a part of families, groups and organizations. Counseling psychologists help people with physical, emotional and mental health issues improve their sense of well-being, alleviate feelings of distress and resolve crises. They also provide assessment, diagnosis, and treatment of more severe psychological symptoms.

405 PETTIGRU ST, Greenville, SC 29601

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Opted out of Medicare

Dr. Cynthia Rae Marks Ph.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from August 10, 2018 through August 10, 2026.

Opt-Out Effective DateAugust 10, 2018
Opt-Out In Effect ThroughAugust 10, 2026Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

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.

Counselor (Mental Health)
405 PETTIGRU ST
GREENVILLE, SC 29601
Social Worker (Clinical)
405 PETTIGRU ST
GREENVILLE, SC 29601
Counselor (Addiction (Substance Use Disorder))
405 PETTIGRU ST
GREENVILLE, SC 29601
Psychologist (Counseling)
405 PETTIGRU ST
GREENVILLE, SC 29601
Counselor (Mental Health)
405 PETTIGRU ST
GREENVILLE, SC 29601
Counselor (Professional)
405 PETTIGRU ST
GREENVILLE, SC 29601
Social Worker (Clinical)
405 PETTIGRU ST
GREENVILLE, SC 29601
Social Worker (Clinical)
405 PETTIGRU ST
GREENVILLE, SC 29601

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 Cynthia Marks's NPI number?

The NPI number for Cynthia Marks is 1669582250. It was assigned to this individual provider in the NPPES registry on August 30, 2006.

Where is Cynthia Marks located?

Cynthia Marks practices at 405 Pettigru St, Greenville, SC 29601. The listed phone number is (864) 271-3549.

What is Cynthia Marks's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Counseling, with taxonomy code 103TC1900X.

Is Cynthia Marks enrolled in Medicare?

No. Cynthia Marks has opted out of Medicare through August 10, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Cynthia Marks was last updated on July 8, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.