Doctor profile · Federal record

Dr. Zenon Mercado, CRNA

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

  • NPI 1235127960
  • Accepts Medicare
  • MIPS 93.5 / 100 · 2023
  • 31 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
110 Shult Dr
Columbus, TX 789343016
(979) 253-0445
Mailing address
1005 Lamplight
Alleyton, TX 789352152

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
July 17, 2020
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
367500000X — NUCC code
State license (1)
Texas #618405
Medicaid (2)
TX #153636907 · TX #153636908

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1235127960. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
193
Distinct HCPCS
5
Medicare allowed
$22,113
HCPCS Description Services Patients Avg allowed
00142 Anesthesia for lens surgery 100 85 $110
00811 Anesthesia for other procedure on large bowel using an endoscope 48 48 $117
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 22 22 $123
00813 Anesthesia for procedure on small and large bowel using an endoscope 12 12 $146
00812 Anesthesia for exam of colon using an endoscope 11 11 $91

In context: peer comparison

Among 1 peers in this city , average services per provider: 38. This provider delivers 5.1× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Zenon Mercado's medical specialty?
Dr. Zenon Mercado practices Certified Registered Nurse Anesthetist in Columbus, TX.
Where does Dr. Zenon Mercado practice?
Dr. Zenon Mercado practices at 110 Shult Dr, Columbus, TX 789343016. Office phone: 9792530445.
What is Dr. Zenon Mercado's NPI?
Dr. Zenon Mercado's National Provider Identifier (NPI) is 1235127960, issued by NPPES.
Does Dr. Zenon Mercado accept Medicare assignment?
Yes. Dr. Zenon Mercado accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Zenon Mercado commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for lens surgery (HCPCS 00142); 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). Source: CMS Medicare Physician & Other Practitioners file.