Timothy Masters, OD
NPI 1871644864 · Optometrist · Storm Lake, IA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Masters, OD is a Optometrist provider in Storm Lake, IA (NPI 1871644864).
Provider details
- NPI number
- 1871644864
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Male
- Sole proprietor
- No
- License
- 01849 (IA)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-16
- Last updated
- 2007-07-08
Frequently asked questions
- What is Timothy Masters's NPI number?
- Timothy Masters's National Provider Identifier (NPI) is 1871644864, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Masters's specialty?
- Timothy Masters is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Timothy Masters located?
- Timothy Masters's practice location on file with NPPES is 100 East Milwaukee Ave, Storm Lake, IA 50588-1873.
- What is Timothy Masters's phone number?
- The practice phone number listed in the NPPES registry for Timothy Masters is (712) 732-7624.
- Does Timothy Masters accept Medicare?
- Timothy Masters is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Masters's NPI active?
- Yes — Timothy Masters's NPI (1871644864) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.