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Gregory Hemphill, M.D.
NPI 1912939257 · Ophthalmology Physician · Austin, TX
Gregory Hemphill, M.D. is a Ophthalmology Physician provider in Austin, TX (NPI 1912939257).
Provider details
- NPI number
- 1912939257
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- E4396 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
2901 Montopolis Dr
Austin, TX 78741-6411
Phone: (512) 389-6581
Street-level locationGet directions
Mailing address
2001 S Mo Pac Expy
Austin, TX 78746-7533
Registry dates
- Enumerated
- 2006-07-07
- Last updated
- 2007-07-08
Frequently asked questions
- What is Gregory Hemphill's NPI number?
- Gregory Hemphill's National Provider Identifier (NPI) is 1912939257, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Hemphill's specialty?
- Gregory Hemphill is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Hemphill located?
- Gregory Hemphill's practice location on file with NPPES is 2901 Montopolis Dr, Austin, TX 78741-6411.
- What is Gregory Hemphill's phone number?
- The practice phone number listed in the NPPES registry for Gregory Hemphill is (512) 389-6581.
- Is Gregory Hemphill's NPI active?
- Yes — Gregory Hemphill's NPI (1912939257) 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.