Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Christopher Reid Thomas, MD

Hematology & Oncology Physician in Greenville, SC · enumerated 2006 · practices at Greenville Health System.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1831202480

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Registry record

Entity type Individual (Type 1)

Name Christopher Reid Thomas

Credential MD

Sex Male

Practice address 3 Butternut Dr Ste B, Greenville, SC, 29605

Phone (864) 672-7272

Fax (864) 672-7582

Enumeration date Aug 17, 2006

Last updated in NPPES May 12, 2021

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 104225 (NC) Secondary

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License 2004-00168 (NC) Secondary

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License 37407 (SC) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
374072	Medicaid	SC	-
200506	Other	NC	MEDCOST
6301698	Other	NC	CIGNA
104225	Other	NC	NC STATE LICENSE
5905263	Medicaid	NC	-
1831202480	Other	VA	VIRGINIA MEDICAID

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Christopher Thomas?

The National Provider Identifier (NPI) for Christopher Thomas is 1831202480, a Type 1 (individual) record in the CMS NPPES registry.

Where does Christopher Thomas practice?

The practice location on file with NPPES is in Greenville, SC. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Michael Haughton Hematology & Oncology Physician · Greenville, SC NPI 1316266208 Greenville Health System General Acute Care Hospital · Greenville, SC NPI 1386063543 Richard O'Neal Hematology & Oncology Physician · Greenville, SC NPI 1437562386 Morgan Boatwright Family Nurse Practitioner · Greenville, SC NPI 1518488469

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-05-12.