NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Terry Kent Isbill, O.D.

Optometrist in Sacramento, CA · enumerated 2005 · practices at Professional Pharmacy Care Inc..

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

National Provider Identifier

1255339073

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Registry record

Entity type Individual (Type 1)
Name Dr. Terry Kent Isbill
Credential O.D.
Sex Male
Practice address Sacramento, CA, 95838
Fax (916) 927-8304
Enumeration date Jul 14, 2005
Last updated in NPPES Jun 16, 2009

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 5085T (CA) Primary
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD credential

Other identifiers

Identifier Type State Issuer
SD0050850 Medicaid CA -

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.

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Frequently asked questions

Is NPI 1255339073 active?
Yes, as of the latest NPPES snapshot, NPI 1255339073 is active (record last updated 2009-06-16).
How do I verify Terry Isbill's NPI record?
Cross-check NPI 1255339073 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-06-16.