Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Mark Gregory Carlo, D.C.
Chiropractor in Largo, FL · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1689634628
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Dr. Mark Gregory Carlo
Credential D.C.
Sex Male
Practice address 13002 Seminole Blvd Ste 4, Largo, FL, 33778
Phone (727) 585-8888
Fax (727) 674-0022
Enumeration date Mar 24, 2006
Last updated in NPPES Apr 11, 2013
Taxonomy & licenses
DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders.
About the DC credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 381074700 | Medicaid | FL | - |
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
How do I verify Mark Carlo's NPI record?
Cross-check NPI 1689634628 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1689634628 active?
Yes, as of the latest NPPES snapshot, NPI 1689634628 is active (record last updated 2013-04-11).
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-04-11.