NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Zachary Chadnick, M.D.

Vascular Surgery Physician in Sumter, SC · enumerated 2017.

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

National Provider Identifier

1366977415

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Zachary Chadnick
Credential M.D.
Sex Male
Practice address 115 N Sumter St Ste 300, Sumter, SC, 29150
Fax (803) 775-7258
Enumeration date Apr 26, 2017
Last updated in NPPES Aug 16, 2024

Taxonomy & licenses

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary
2086S0129X Vascular Surgery Physician Allopathic & Osteopathic Physicians · License 91231 (SC) Primary
2086S0129X Vascular Surgery Physician Allopathic & Osteopathic Physicians · License 71828 (CT) Secondary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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

Is NPI 1366977415 active?
Yes, as of the latest NPPES snapshot, NPI 1366977415 is active (record last updated 2024-08-16).
How do I verify Zachary Chadnick's NPI record?
Cross-check NPI 1366977415 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 →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-08-16.