NPI age
20 years
Enumerated 2006-03-08
● Active
Type 1 · Individual
John Bryan Clifton, MD
Clifton is 1 of 56 anesthesiology providers in San Antonio and 1 of 845 in Texas.
Primary specialty
Anesthesiology
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2023-09-15
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 845 active anesthesiology providers in Texas.
NPI age
20 years
↑ 6 yr above median (14 yr)
State licenses
1 state
9% of peers hold multiple states
Subspecialties
1
In the 39% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-03Enumerated in NPPES
2006
2026
Where they practice
Practice location
45 Ne Loop 410, Suite 900
San Antonio, TX 782165832
Mailing address
45 Ne Loop 410, Suite 900
San Antonio, TX 782165832
Specialties
-
Anesthesiology PrimaryAn anesthesiologist who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic and/or cancer pain in both hospital and ambulatory settings. Patient care needs...
-
AnesthesiologyAn 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...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (TX) | P00611241 | MEDICARE RAILROAD |
| 05 (NV) | 100506842 | |
| 05 (NV) | 100506841 |
Practice context
Part of a multi-provider practice. 121 other active providers share this practice address in NPPES.
Recently enumerated nearby: 1 new anesthesiology provider has been added in San Antonio in the last 180 days.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.