Glen Underwood, O.D.
NPI 1467676668 · Optometrist · Marble Falls, TX
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Glen Underwood, O.D. is a Optometrist provider in Marble Falls, TX (NPI 1467676668).
Provider details
- NPI number
- 1467676668
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 5322T (TX)
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
- 2007-04-12
- Last updated
- 2007-07-08
Frequently asked questions
- What is Glen Underwood's NPI number?
- Glen Underwood's National Provider Identifier (NPI) is 1467676668, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Glen Underwood's specialty?
- Glen Underwood is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Glen Underwood located?
- Glen Underwood's practice location on file with NPPES is 2700 US Highway 281, Marble Falls, TX 78654-3810.
- What is Glen Underwood's phone number?
- The practice phone number listed in the NPPES registry for Glen Underwood is (830) 798-8585.
- Does Glen Underwood accept Medicare?
- Glen Underwood is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Glen Underwood's NPI active?
- Yes — Glen Underwood's NPI (1467676668) 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.