Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Ronald Lester Eisenstein, OPTICIAN
Optician in Westminster, MD · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1376733261
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Registry record
Entity type Individual (Type 1)
Name Mr. Ronald Lester Eisenstein
Credential OPTICIAN
Sex Male
Practice address 200 Washington Heights Med Ctr, Westminster, MD, 21157
Phone (410) 848-6660
Fax (410) 848-5314
Enumeration date Jul 27, 2007
Last updated in NPPES Dec 13, 2007
Taxonomy & licenses
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
Where does Ronald Eisenstein practice?
The practice location on file with NPPES is in Westminster, MD. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Ronald Eisenstein?
The National Provider Identifier (NPI) for Ronald Eisenstein is 1376733261, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → David Silverman Ophthalmology Physician · Westminster, MD NPI 1104834795 Andrew Kessler Ophthalmology Physician · Westminster, MD NPI 1881797231 Weintraub & Kessler L.L.C. Ophthalmology Physician · Westminster, MD NPI 1003986753 Weintraub and Kessler LLC Durable Medical Equipment & Medical Supplies · Westminster, MD NPI 1295925733 Sumana Kommana Ophthalmology Physician · Westminster, MD NPI 1255782173 Weintraub & Kessler L.L.C. Optometrist · Westminster, MD NPI 1164991360 Chesapeake Eye Care & Laser Center LLC Ophthalmology Physician · Westminster, MD NPI 1780235820 The Retina Group of Washington, Pllc Ophthalmology Physician · Westminster, MD NPI 1073373015
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-12-13.