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Gregory O'Neil, M.D.
NPI 1467440685 · Anesthesiology Physician · Houston, TX
Gregory O'Neil, M.D. is a Anesthesiology Physician provider in Houston, TX (NPI 1467440685).
Provider details
- NPI number
- 1467440685
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- E8778 (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
20 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
7900 Fannin St
Suite 2300
Houston, TX 77054-2900
Phone: (713) 790-1349
Fax: (713) 790-0028
Street-level locationGet directions
Mailing address
7900 Fannin St
Houston, TX 77054-2900
Registry dates
- Enumerated
- 2005-10-11
- Last updated
- 2008-03-17
Frequently asked questions
- What is Gregory O'Neil's NPI number?
- Gregory O'Neil's National Provider Identifier (NPI) is 1467440685, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory O'Neil's specialty?
- Gregory O'Neil is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory O'Neil located?
- Gregory O'Neil's practice location on file with NPPES is 7900 Fannin St, Houston, TX 77054-2900.
- What is Gregory O'Neil's phone number?
- The practice phone number listed in the NPPES registry for Gregory O'Neil is (713) 790-1349.
- Is Gregory O'Neil's NPI active?
- Yes — Gregory O'Neil's NPI (1467440685) is active in the NPPES registry as of the last update on 2008-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.