Doctor profile · Federal record

Dr. Wesley Greydanus, M.D.

Anesthesiology Physician (CMS: Anesthesiology) · San Antonio, TX

  • NPI 1366470353
  • Accepts Medicare
  • 42 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
16607 Blanco RD, Suite #603
San Antonio, TX 782321941
(210) 485-1850
fax (210) 493-9500
Mailing address
Po Box 2408
San Antonio, TX 782982408

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
July 17, 2009
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Washington #MD00024790
Medicaid
WA #1037654

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1366470353. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
20
Distinct HCPCS
1
Medicare allowed
$10,529
HCPCS Description Services Patients Avg allowed
00670 Anesthesia for extensive surgery on spine 20 20 $526

In context: peer comparison

Among 98 peers in San Antonio Anesthesiology Physician, average services per provider: 67. This provider delivers 0.3× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Wesley Greydanus's medical specialty?
Dr. Wesley Greydanus practices Anesthesiology Physician in San Antonio, TX.
Where does Dr. Wesley Greydanus practice?
Dr. Wesley Greydanus practices at 16607 Blanco RD, San Antonio, TX 782321941. Office phone: 2104851850.
What is Dr. Wesley Greydanus's NPI?
Dr. Wesley Greydanus's National Provider Identifier (NPI) is 1366470353, issued by NPPES.
Does Dr. Wesley Greydanus accept Medicare assignment?
Yes. Dr. Wesley Greydanus accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Wesley Greydanus commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for extensive surgery on spine (HCPCS 00670). Source: CMS Medicare Physician & Other Practitioners file.