Samuel Key, MD
NPI 1578620191 · Ophthalmology Physician · Austin, TX
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Samuel Key, MD is a Ophthalmology Physician provider in Austin, TX (NPI 1578620191).
Provider details
- NPI number
- 1578620191
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- E4872 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2007-01-02
- Last updated
- 2007-07-08
Frequently asked questions
- What is Samuel Key's NPI number?
- Samuel Key's National Provider Identifier (NPI) is 1578620191, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Samuel Key's specialty?
- Samuel Key is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Samuel Key located?
- Samuel Key's practice location on file with NPPES is 900 West 38th Street, Austin, TX 78705-1130.
- What is Samuel Key's phone number?
- The practice phone number listed in the NPPES registry for Samuel Key is (512) 454-6674.
- Does Samuel Key accept Medicare?
- Samuel Key is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Samuel Key's NPI active?
- Yes — Samuel Key's NPI (1578620191) 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.