Doctor profile · Federal record
Dr. Juan Castano
Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Hospitalist Physician · McAllen, TX
- NPI 1427404839
- Accepts Medicare
- MIPS 74.0 / 100 · 2023
- 13 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
533 Pecan Blvd
McAllen, TX 785012356
(956) 365-4400
fax (956) 365-4111 - Additional location
-
305 Lorenaly Dr
Brownsville, TX 785264333 - Additional location
-
512 Victoria Ln Ste 2
Harlingen, TX 785503227 - Mailing address
-
512 Victoria Ln Ste 2
Harlingen, TX 785503227
Credentials & registration
- NPI registered
- May 2016 — 10 yrs on file
- Profile last updated
- May 17, 2023
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Texas #S3131
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1427404839. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
223
Distinct HCPCS
5
Medicare allowed
$25,388
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 56 | 56 | $86 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 53 | 46 | $88 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 46 | 46 | $68 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 41 | 41 | $240 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 27 | 27 | $109 |
In context: peer comparison
Among 6 peers in McAllen Gastroenterology Physician, average services per provider: 98. This provider delivers 2.3× the peer median.Open Payments
Industry payments received
All-time total
$122
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Phathom Pharmaceuticals, INC. | 1 | $96.05 | |
| Janssen Biotech, INC. | 1 | $25.67 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
260
Patients
159
Total drug cost
$29,590
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 164 | 96 | $1,795 |
| Linzess (Linaclotide) | Brand | 42 | 24 | $26,502 |
| Pantoprazole Sodium | Generic | 22 | 13 | $260 |
| Famotidine | Generic | 21 | 15 | $635 |
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 11 | 11 | $398 |
Hospital affiliations
Frequently asked questions
What is Dr. Juan Castano's medical specialty?
Dr. Juan Castano practices Gastroenterology Physician in McAllen, TX.
Where does Dr. Juan Castano practice?
Dr. Juan Castano practices at 533 Pecan Blvd, McAllen, TX 785012356. Office phone: 9563654400.
What is Dr. Juan Castano's NPI?
Dr. Juan Castano's National Provider Identifier (NPI) is 1427404839, issued by NPPES.
Does Dr. Juan Castano accept Medicare assignment?
Yes. Dr. Juan Castano accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Juan Castano commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Established patient office or other outpatient visit (HCPCS 99213); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.