NPI age
19 years
Enumerated 2006-06-29
● Active
Type 1 · Individual
DR. Wesley K Greydanus, M.D.
Greydanus is 1 of 490 anesthesiology providers in San Antonio and 1 of 6023 in Texas.
Primary specialty
Anesthesiology
Licensed in
WA
1 state
Status
Active
No deactivations on record
Last NPPES update
2009-07-17
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
19 years
≈ at median (18 yr)
State licenses
1 state
12% of peers hold multiple states
Subspecialties
0
31% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-06Enumerated in NPPES
2006
2026
Where they practice
Practice location
16607 Blanco Rd, Suite #603
San Antonio, TX 782321941
Mailing address
Po Box 2408
San Antonio, TX 782982408
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...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 | GR3666 | B/S REGENCE 90 |
| 05 (WA) | 1037654 | |
| 01 | 50101 | L&I |
Practice context
Part of a multi-provider practice. 29 other active providers share this practice address in NPPES.
Recently enumerated nearby: 2 new anesthesiology providers have been added in San Antonio in the last 180 days.
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Request a quote →How to verify this provider
- 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.