Primary Taxonomy
primaryTaxonomy
Optional
NPI Registry Lookup — Deactivated vs Never-Issued Check
Pricing
from $0.01 / 1,000 results
Batch NPI lookup that returns a verdict instead of a silence: ACTIVE with provider detail, DEACTIVATED with the CMS deactivation date, NEVER_ISSUED, or INVALID_FORMAT. The NPPES API removes deactivated NPIs instead of flagging them, so it answers both identically — this joins the CMS file.
Input Value
inputValue
Optional
NPI
npi
Optional
Verdict
verdict
Optional
Is Active
isActive
Optional
Deactivation Date
deactivationDate
Optional
Previously Deactivated
previouslyDeactivated
Optional
Prior Deactivation Date
priorDeactivationDate
Optional
Check Digit Valid
checkDigitValid
Optional
Guidance
guidance
Optional
Provider Name
providerName
Optional
Entity Type
entityType
Optional
Credential
credential
Optional
Enumeration Date
enumerationDate
Optional
Last Updated
lastUpdated
Optional
Primary Taxonomy
primaryTaxonomy
Optional
Primary Taxonomy Code
primaryTaxonomyCode
Optional
License Number
licenseNumber
Optional
License State
licenseState
Optional
City
city
Optional
State
state
Optional
Postal Code
postalCode
Optional
Checked At
checkedAt
Optional
Deactivation File As Of
deactivationFileAsOf
Optional
Deactivation File Rows
deactivationFileRows
Optional
Deactivation File URL
deactivationFileUrl
Optional
Registry Source
registrySource
Optional