Doctor profile · Federal record

Dr. Rolando Diaz, M.D.

Emergency Medicine Physician · Odessa, TX

  • NPI 1396807491
  • 20 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
500 W 4Th St
Odessa, TX 797615001
(432) 640-1189
Mailing address
3112 Callaway Dr
Midland, TX 797075037

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
November 4, 2014
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Texas #M5129

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1396807491. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
594
Distinct HCPCS
5
Medicare allowed
$53,345
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 240 225 $170
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 185 172 $8
71045 X-ray of chest, 1 view 98 93 $9
99284 Emergency department visit with moderate level of medical decision making 45 44 $115
99291 Critical care, first 30-74 minutes 26 26 $198

In context: peer comparison

Among 5 peers in Odessa Emergency Medicine Physician, average services per provider: 76. This provider delivers 7.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
73
Patients
73
Total drug cost
$515
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 32 32 $154
Naproxen Generic 26 26 $216
Cephalexin Generic 15 15 $145

Frequently asked questions

Auto-generated from federal data
What is Dr. Rolando Diaz's medical specialty?
Dr. Rolando Diaz practices Emergency Medicine Physician in Odessa, TX.
Where does Dr. Rolando Diaz practice?
Dr. Rolando Diaz practices at 500 W 4Th St, Odessa, TX 797615001. Office phone: 4326401189.
What is Dr. Rolando Diaz's NPI?
Dr. Rolando Diaz's National Provider Identifier (NPI) is 1396807491, issued by NPPES.
What procedures does Dr. Rolando Diaz commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); X-ray of chest, 1 view (HCPCS 71045). Source: CMS Medicare Physician & Other Practitioners file.