Doctor profile · Federal record

Dr. Wendell Holladay, CRNA

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · San Marcos, TX

  • NPI 1194878983
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1305 Wonder World Dr, Ste. 105
San Marcos, TX 786667546
(512) 353-8161
fax (512) 353-8255
Mailing address
Po Box 20452, Yps-Cred
Columbus, OH 432200452

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
May 13, 2014
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
367500000X — NUCC code
State license (1)
Hawaii #43689

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194878983. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
207
Distinct HCPCS
4
Medicare allowed
$24,796
HCPCS Description Services Patients Avg allowed
00811 Anesthesia for other procedure on large bowel using an endoscope 97 97 $117
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 47 47 $120
00813 Anesthesia for procedure on small and large bowel using an endoscope 40 40 $143
00812 Anesthesia for exam of colon using an endoscope 23 23 $90

In context: peer comparison

Among 4 peers in this city , average services per provider: 88. This provider delivers 2.4× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Wendell Holladay's medical specialty?
Dr. Wendell Holladay practices Certified Registered Nurse Anesthetist in San Marcos, TX.
Where does Dr. Wendell Holladay practice?
Dr. Wendell Holladay practices at 1305 Wonder World Dr, San Marcos, TX 786667546. Office phone: 5123538161.
What is Dr. Wendell Holladay's NPI?
Dr. Wendell Holladay's National Provider Identifier (NPI) is 1194878983, issued by NPPES.
Does Dr. Wendell Holladay accept Medicare assignment?
Yes. Dr. Wendell Holladay accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Wendell Holladay commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for procedure on small and large bowel using an endoscope (HCPCS 00813). Source: CMS Medicare Physician & Other Practitioners file.