Doctor profile · Federal record

Dr. Ariel Geffen, CRNA

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

  • NPI 1588975049
  • Accepts Medicare
  • MIPS 73.7 / 100 · 2023
  • 16 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8140 N Mopac Expy Ste 3-210
Austin, TX 787598862
(512) 343-2292
fax (512) 343-2745

Credentials & registration

NPPES · NUCC
NPI registered
June 2010 — 16 yrs on file
Profile last updated
April 6, 2011
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
367500000X — NUCC code
State license (1)
Texas #790006
Medicaid
TX #2186199-01

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588975049. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
92
Distinct HCPCS
4
Medicare allowed
$12,171
HCPCS Description Services Patients Avg allowed
00811 Anesthesia for other procedure on large bowel using an endoscope 43 43 $117
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 24 24 $57
01402 Anesthesia for procedure for total knee joint replacement 14 14 $311
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 11 11 $127

In context: peer comparison

Among 106 peers in Austin Certified Registered Nurse Anesthetist, average services per provider: 31. This provider delivers 3.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Ariel Geffen's medical specialty?
Dr. Ariel Geffen practices Certified Registered Nurse Anesthetist in Austin, TX.
Where does Dr. Ariel Geffen practice?
Dr. Ariel Geffen practices at 8140 N Mopac Expy Ste 3-210, Austin, TX 787598862. Office phone: 5123432292.
What is Dr. Ariel Geffen's NPI?
Dr. Ariel Geffen's National Provider Identifier (NPI) is 1588975049, issued by NPPES.
Does Dr. Ariel Geffen accept Medicare assignment?
Yes. Dr. Ariel Geffen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ariel Geffen commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (HCPCS 64447); Anesthesia for procedure for total knee joint replacement (HCPCS 01402). Source: CMS Medicare Physician & Other Practitioners file.