Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Crystal L Martin, M.A.
Counselor in Greenwood, SC · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1821284571
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Registry record
Entity type Individual (Type 1)
Name Crystal L Martin
Credential M.A.
Sex Female
Practice address 1547 Parkway Ste 100, Greenwood, SC, 29646
Phone (864) 229-7120
Enumeration date Sep 17, 2007
Last updated in NPPES Sep 17, 2007
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 421504 | Medicaid | SC | - |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Is NPI 1821284571 active?
Yes, as of the latest NPPES snapshot, NPI 1821284571 is active (record last updated 2007-09-17).
How do I verify Crystal Martin's NPI record?
Cross-check NPI 1821284571 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Other providers at this practice address
Browse all → Amy Loftus Professional Counselor · Greenwood, SC NPI 1659562858 Felicia Cunningham Mental Health Counselor · Greenwood, SC NPI 1730373630 Taiis Ealy Mental Health Counselor · Greenwood, SC NPI 1649464546 Sanita Luke Mental Health Counselor · Greenwood, SC NPI 1821282724 Drew Casper Counselor · Greenwood, SC NPI 1679758379 Tracey Jackson Mental Health Counselor · Greenwood, SC NPI 1861643389 Bonnie Hasting Mental Health Counselor · Greenwood, SC NPI 1922329689 Angela Olsen Clinical Social Worker · Greenwood, SC NPI 1881982544
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-09-17.