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

Robert C Layman, OD

Optometrist in Lambertville, MI · enumerated 2005 · practices at Robert C Layman Od Inc.

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

National Provider Identifier

1699769836

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Registry record

Entity type Individual (Type 1)
Name Robert C Layman
Credential OD
Sex Male
Practice address Lambertville, MI, 48144
Fax (734) 854-5868
Enumeration date Sep 2, 2005
Last updated in NPPES Nov 18, 2021

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 4901002-2861 (MI) 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
341585498 Other MI AETNA
03157 Other MI PARAMOUNT
22-01112 Other MI UNITED HEALTH
941931252 Medicaid MI -
341585498 Other MI VISION SERVICE PLAN
900E865120 Other MI BLUE CROSS BLUE SHIELD

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

What specialty is Robert Layman?
Robert Layman is registered in NPPES with the primary taxonomy of Optometrist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-11-18.