Doctor profile · Federal record

Dr. Mark Williams, CRNA

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Melbourne, FL

  • NPI 1447380258
  • Accepts Medicare
  • 28 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1401 S Apollo Blvd, Suite B
Melbourne, FL 329013179
(321) 725-5151
fax (321) 725-5157
Mailing address
2160 N Highway A1A, Unit 104
Indialantic, FL 329032559

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
May 19, 2008
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
367500000X — NUCC code
State license (1)
Florida #ARNP9243193

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447380258. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
685
Distinct HCPCS
4
Medicare allowed
$97,000
HCPCS Description Services Patients Avg allowed
00812 Anesthesia for exam of colon using an endoscope 222 221 $112
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 209 205 $145
00813 Anesthesia for procedure on small and large bowel using an endoscope 170 169 $179
00811 Anesthesia for other procedure on large bowel using an endoscope 84 83 $134

In context: peer comparison

Among 14 peers in this city , average services per provider: 49. This provider delivers 14× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Williams's medical specialty?
Dr. Mark Williams practices Certified Registered Nurse Anesthetist in Melbourne, FL.
Where does Dr. Mark Williams practice?
Dr. Mark Williams practices at 1401 S Apollo Blvd, Melbourne, FL 329013179. Office phone: 3217255151.
What is Dr. Mark Williams's NPI?
Dr. Mark Williams's National Provider Identifier (NPI) is 1447380258, issued by NPPES.
Does Dr. Mark Williams accept Medicare assignment?
Yes. Dr. Mark Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Williams commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for exam of colon using an endoscope (HCPCS 00812); 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.