Doctor profile · Federal record

Dr. Mark Cashen, CRNA

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

  • NPI 1437562212
  • Accepts Medicare
  • 19 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4502 Medical Dr
San Antonio, TX 782294402
(210) 358-4000
fax (210) 358-4775
Additional location
1500 E Medical Center Dr
Ann Arbor, MI 481095000
(734) 936-4000
Mailing address
3621 S State St
Ann Arbor, MI 481081633

Credentials & registration

NPPES · NUCC
NPI registered
June 2014 — 12 yrs on file
Profile last updated
March 21, 2025
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
367500000X — NUCC code
State licenses (3)
Texas #AP126574 · Michigan #4704282283 · California #802797

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1437562212. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
53
Distinct HCPCS
3
Medicare allowed
$5,387
HCPCS Description Services Patients Avg allowed
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 19 19 $82
00811 Anesthesia for other procedure on large bowel using an endoscope 19 19 $86
01402 Anesthesia for procedure for total knee joint replacement 15 15 $146

In context: peer comparison

Among 44 peers in this city , average services per provider: 53. This provider delivers 1.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Cashen's medical specialty?
Dr. Mark Cashen practices Certified Registered Nurse Anesthetist in San Antonio, TX.
Where does Dr. Mark Cashen practice?
Dr. Mark Cashen practices at 4502 Medical Dr, San Antonio, TX 782294402. Office phone: 2103584000.
What is Dr. Mark Cashen's NPI?
Dr. Mark Cashen's National Provider Identifier (NPI) is 1437562212, issued by NPPES.
Does Dr. Mark Cashen accept Medicare assignment?
Yes. Dr. Mark Cashen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Cashen commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for procedure for total knee joint replacement (HCPCS 01402). Source: CMS Medicare Physician & Other Practitioners file.