Doctor profile · Federal record

Dr. Ricardo Diaz, MD

Internal Medicine Physician · Dallas, TX

  • NPI 1427017540
  • 20 yrs on file
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5959 Harry Hines Blvd Ste 108
Dallas, TX 75235
(214) 879-8920
fax (214) 879-8927

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Texas #J0474

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427017540. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
227
Distinct HCPCS
2
Medicare allowed
$22,960
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 160 76 $90
99214 Established patient office or other outpatient visit, 30-39 minutes 67 66 $127

In context: peer comparison

Among 289 peers in this city , average services per provider: 185. This provider delivers 1.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,321
Patients
747
Total drug cost
$30,356
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 281 88 $3,281
Lisinopril Generic 266 83 $3,171
Levothyroxine Sodium Generic 263 69 $3,960
Amlodipine Besylate Generic 253 83 $2,254
Metformin Hcl Generic 241 77 $2,417
Pravastatin Sodium Generic 164 56 $3,221
Losartan Potassium Generic 155 56 $2,946
Carvedilol Generic 125 45 $1,974
Simvastatin Generic 115 36 $734
Pioglitazone Hcl Generic 99 34 $1,596

Frequently asked questions

Auto-generated from federal data
What is Dr. Ricardo Diaz's medical specialty?
Dr. Ricardo Diaz practices Internal Medicine Physician in Dallas, TX.
Where does Dr. Ricardo Diaz practice?
Dr. Ricardo Diaz practices at 5959 Harry Hines Blvd Ste 108, Dallas, TX 75235. Office phone: 2148798920.
What is Dr. Ricardo Diaz's NPI?
Dr. Ricardo Diaz's National Provider Identifier (NPI) is 1427017540, issued by NPPES.
What procedures does Dr. Ricardo Diaz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.