Doctor profile · Federal record
Dr. Gregorio Joel Castillo, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · El Paso, TX
- NPI 1184695488
- Accepts Medicare
- 36 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
10501 Vista del Sol Dr, Suite 200
El Paso, TX 799257940
(915) 592-8880
fax (915) 592-8883
Credentials & registration
- NPI registered
- January 2006 — 20 yrs on file
- Profile last updated
- November 7, 2011
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Texas #J8950
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1184695488. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
334
Distinct HCPCS
5
Medicare allowed
$26,411
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 219 | 103 | $74 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 49 | 49 | $111 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 34 | 31 | $123 | |
90686 |
Influenza vaccine, quadrivalent, preservative free, 0.5 ml dosage | 16 | 15 | $22 | |
G0008 |
Administration of influenza virus vaccine | 16 | 15 | $15 |
In context: peer comparison
Among 79 peers in El Paso Internal Medicine Physician, average services per provider: 145. This provider delivers 2.3× the peer median.Open Payments
Industry payments received
All-time total
$77
Transactions
2
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Inspire Medical Systems, INC. | 2 | $76.98 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
5,769
Patients
1,572
Total drug cost
$75,198
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 837 | 243 | $10,041 |
| Metformin Hcl | Generic | 563 | 157 | $5,951 |
| Losartan Potassium | Generic | 523 | 146 | $8,948 |
| Levothyroxine Sodium | Generic | 505 | 128 | $8,002 |
| Amlodipine Besylate | Generic | 467 | 138 | $2,899 |
| Lisinopril | Generic | 466 | 129 | $4,540 |
| Gabapentin | Generic | 353 | 115 | $7,750 |
| Simvastatin | Generic | 323 | 87 | $3,600 |
| Alprazolam | Generic | 310 | 56 | $1,323 |
| Hydrochlorothiazide | Generic | 308 | 91 | $1,209 |
Frequently asked questions
What is Dr. Gregorio Joel Castillo's medical specialty?
Dr. Gregorio Joel Castillo practices Internal Medicine Physician in El Paso, TX.
Where does Dr. Gregorio Joel Castillo practice?
Dr. Gregorio Joel Castillo practices at 10501 Vista del Sol Dr, El Paso, TX 799257940. Office phone: 9155928880.
What is Dr. Gregorio Joel Castillo's NPI?
Dr. Gregorio Joel Castillo's National Provider Identifier (NPI) is 1184695488, issued by NPPES.
Does Dr. Gregorio Joel Castillo accept Medicare assignment?
Yes. Dr. Gregorio Joel Castillo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregorio Joel Castillo commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.