A fast, free, no-login way to look up any U.S. healthcare provider in the federal NPPES registry.

Lookups

NPI Lookup
NPI Registry
By Specialty
By State

Resources

Guides
For Providers / API
Data Sources
About

Legal

Privacy
Terms
Correct a record

Data is sourced from the public NPPES (National Plan and Provider Enumeration System) registry published by CMS. NPI Central is not affiliated with, or endorsed by, CMSor any healthcare provider. Information is provided “as is” for general reference and is not medical advice.

FCRA notice: NPI Central is not a consumer reporting agency. This information may not be used to determine eligibility for employment, credentialing, insurance, or any other purpose covered by the Fair Credit Reporting Act.

© 2026 NPI Central. All rights reserved.

Mark Vallo, O.D. — NPI 1992816904, Greenville, OH | NPI Central

Home/
NPI Lookup/
OH/
NPI 1992816904

IndividualActive

Mark Vallo, O.D.

NPI 1992816904 · Optometrist · Greenville, OH

Provider details

NPI number: 1992816904
Entity type: Individual
Primary specialty: OptometristEye and Vision Services Providers
Credential: O.D.
Sex: Male
Sole proprietor: No
License: 3153 (OH)

Specialties & taxonomies

OptometristPrimary152W00000XLicense 3153 (OH)
Eye and Vision Services Providers

Practice location

655 Wagner Ave

Greenville, OH 45331-2648

Phone: (937) 548-4940

Fax: (937) 548-1847

Approximate (ZIP-level) locationGet directions

More OH providers

Mailing address

655 Wagner Ave

Greenville, OH 45331-2648

Registry dates

Enumerated: 2006-08-31
Last updated: 2010-02-16

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.