Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Donald W Blocker DO

Organization Eyewear Supplier · NPI 1609078229

Donald W Blocker DO is an Eyewear Supplier in Portland, Tennessee. Registered with an NPI since 2007.

In the registry since
2007

Practice location Address checks out

605 S Broadway
Portland, TN 37148-1619
Phone: (615) 325-2020
Fax: (615) 325-5862
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Eyewear Supplier (primary) Taxonomy 332H00000X

Record details

NPI number1609078229
Entity typeOrganization (Type 2)
Organization subpartYes
Parent organizationDonald W Blocker OD
Authorized official Donald Blocker — Owner Optometrist · (615) 325-2020
Other names Portland Vision Clinic
NPI enumeratedJune 5, 2007
Last updated in NPPESOctober 24, 2014
Mailing addressPo Box 470, Portland, TN 37148-0470