Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Larry Howard Nierman, O.D.
Optometrist in Buffalo Grove, IL · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1891839114
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Registry record
Entity type Individual (Type 1)
Name Dr. Larry Howard Nierman
Credential O.D.
Sex Male
Practice address 151 Mchenry Rd, Buffalo Grove, IL, 60089
Phone (847) 459-6626
Fax (847) 459-6696
Enumeration date Feb 19, 2007
Last updated in NPPES Feb 9, 2010
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
What is the NPI number for Larry Nierman?
The National Provider Identifier (NPI) for Larry Nierman is 1891839114, a Type 1 (individual) record in the CMS NPPES registry.
Where does Larry Nierman practice?
The practice location on file with NPPES is in Buffalo Grove, IL. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → David Nierman Optometrist · Buffalo Grove, IL NPI 1275678013 Nierman Nierman & Nierman Ophthalmologic Surgery Clinic/Center · Buffalo Grove, IL NPI 1184896219 Ossip Management Solutions Optometrist · Buffalo Grove, IL NPI 1093194433 Rosin Optical Co., Inc. Optometrist · Buffalo Grove, IL NPI 1548704109
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-02-09.