Doctor profile · Federal record

Dr. Roman Castillo, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Dallas, TX

  • NPI 1811344583
  • Accepts Medicare
  • 14 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2121 S Buckner Blvd Ste 100
Dallas, TX 752278602
(214) 381-1187
fax (214) 381-7213

Credentials & registration

NPPES · NUCC
NPI registered
May 2016 — 10 yrs on file
Profile last updated
July 1, 2024
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Texas #S2253

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811344583. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
57
Distinct HCPCS
2
Medicare allowed
$3,864
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 29 20 $125
36415 Insertion of needle into vein for collection of blood sample 28 20 $8

In context: peer comparison

Among 289 peers in this city , average services per provider: 185. This provider delivers 0.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$49
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 1 $30.13
Exact Sciences Corporation 1 $18.96

By nature of payment

Food and Beverage
$49

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,613
Patients
935
Total drug cost
$215,298
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 235 134 $3,065
Rosuvastatin Calcium Generic 193 113 $3,363
Metformin Hcl Generic 174 96 $1,911
Diclofenac Sodium Generic 116 77 $7,098
Amlodipine Besylate Generic 111 58 $746
Tamsulosin Hcl Generic 97 63 $1,683
Telmisartan Generic 96 51 $6,363
Chlorthalidone Generic 87 51 $2,629
Alendronate Sodium Generic 86 49 $849
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 74 38 $1,707

Frequently asked questions

Auto-generated from federal data
What is Dr. Roman Castillo's medical specialty?
Dr. Roman Castillo practices Internal Medicine Physician in Dallas, TX.
Where does Dr. Roman Castillo practice?
Dr. Roman Castillo practices at 2121 S Buckner Blvd Ste 100, Dallas, TX 752278602. Office phone: 2143811187.
What is Dr. Roman Castillo's NPI?
Dr. Roman Castillo's National Provider Identifier (NPI) is 1811344583, issued by NPPES.
Does Dr. Roman Castillo accept Medicare assignment?
Yes. Dr. Roman Castillo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Roman Castillo commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.