Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Isaac Ramon Calero Sr., DMD
Dentist in Isabela, PR · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1366440208
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Registry record
Entity type Individual (Type 1)
Name Isaac Ramon Calero Sr.
Credential DMD
Sex Male
Practice address 108 Calle Roman, Isabela, PR, 00662
Phone (787) 872-7840
Fax (787) 872-7840
Enumeration date Jul 13, 2005
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
DMD · Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees.
About the DMD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 42089 | Other | - | SSS |
| 6620067 | Other | - | HUMANA |
| 206772 | Other | - | PRIVATE PLANS/P. HEALTH |
| 100034 | Other | - | CA |
| P089 | Other | - | IMC |
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 Isaac Calero's NPI record?
Cross-check NPI 1366440208 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1366440208 active?
Yes, as of the latest NPPES snapshot, NPI 1366440208 is active (record last updated 2007-07-08).
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.