Doctor profile · Federal record

Dr. David Rex, CRNA

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

  • NPI 1578540704
  • Accepts Medicare
  • MIPS 93.5 / 100 · 2023
  • 22 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
12222 Merit Dr Ste 600
Dallas, TX 752513294
(972) 715-5000
fax (972) 715-9976
Additional location
13737 Noel Road, Ste 1400
Dallas, TX 75240
Mailing address
Po Box 840853
Dallas, TX 752840853

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
November 11, 2022
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
367500000X — NUCC code
State licenses (2)
Texas #AP113649 · Texas #662426
Medicaid (2)
TX #174336105 · TX #174336103

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578540704. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
40
Distinct HCPCS
3
Medicare allowed
$5,935
HCPCS Description Services Patients Avg allowed
00811 Anesthesia for other procedure on large bowel using an endoscope 14 14 $90
00813 Anesthesia for procedure on small and large bowel using an endoscope 14 14 $127
00790 Anesthesia for other procedure on upper abdomen 12 12 $242

In context: peer comparison

Among 359 peers in Dallas Certified Registered Nurse Anesthetist, average services per provider: 28. This provider delivers 1.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$75
Transactions
5
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 5 $74.95

By nature of payment

Food and Beverage
$75

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. David Rex's medical specialty?
Dr. David Rex practices Certified Registered Nurse Anesthetist in Dallas, TX.
Where does Dr. David Rex practice?
Dr. David Rex practices at 12222 Merit Dr Ste 600, Dallas, TX 752513294. Office phone: 9727155000.
What is Dr. David Rex's NPI?
Dr. David Rex's National Provider Identifier (NPI) is 1578540704, issued by NPPES.
Does Dr. David Rex accept Medicare assignment?
Yes. Dr. David Rex accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Rex commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for procedure on small and large bowel using an endoscope (HCPCS 00813); Anesthesia for other procedure on upper abdomen (HCPCS 00790). Source: CMS Medicare Physician & Other Practitioners file.