NPI age
8 years
Enumerated 2018-04-23
● Active
Type 1 · Individual
DR. Robert Michael Onion II, MD
Onion is 1 of 82 anesthesiology providers in Lubbock and 1 of 6023 in Texas.
Primary specialty
Anesthesiology
Plus 1 subspecialty
Licensed in
TX, OH
2 states
Status
Active
No deactivations on record
Last NPPES update
2026-03-19
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 6023 active anesthesiology providers in Texas.
NPI age
8 years
↓ 10 yr below median (18 yr)
State licenses
2 states
Top 87% — 12% of peers are multi-state
Subspecialties
0
31% of peers hold subspecialties
NPI lifetime · 2018 → 2026
2018-04Enumerated in NPPES
2018
2026
Where they practice
Practice location
7509 Marsha Sharp Fwy
Lubbock, TX 794078202
Mailing address
4515 Marsha Sharp Fwy
Lubbock, TX 794072520
Additional practice locations
1 secondary location on file with NPPES.
Location 2
100 Jackson Pike
Gallipolis, OH 456311560
Specialties
-
Anesthesiology PrimaryAn anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk...
Practice context
Part of a multi-provider practice. 16 other active providers share this practice address in NPPES.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
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