Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Erin Michelle Buck, O.D.
Optometrist in Greenwood, IN · enumerated 2009.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1003046871
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Registry record
Entity type Individual (Type 1)
Name Dr. Erin Michelle Buck
Credential O.D.
Sex Female
Practice address 1701 Library Blvd, Suite I, Greenwood, IN, 46142
Phone (317) 300-1460
Fax (317) 300-1487
Enumeration date Jul 15, 2009
Last updated in NPPES May 13, 2013
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD 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.
Frequently asked questions
Is NPI 1003046871 active?
Yes, as of the latest NPPES snapshot, NPI 1003046871 is active (record last updated 2013-05-13).
How do I verify Erin Buck's NPI record?
Cross-check NPI 1003046871 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
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-05-13.