Doctor profile · Federal record
Dr. Emma Castillo, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Chandler, AZ
- NPI 1598730053
- Accepts Medicare
- 28 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
600 S Dobson RD Ste A1
Chandler, AZ 852245694
(480) 786-6655
fax (480) 786-6996
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- August 19, 2021
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Arizona #29015
- Medicaid
- AZ #924200
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1598730053. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
475
Distinct HCPCS
10
Medicare allowed
$59,123
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 90 | 65 | $124 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 82 | 79 | $89 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 72 | 70 | $113 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 55 | 55 | $161 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 42 | 41 | $235 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 40 | 28 | $77 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 29 | 27 | $87 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 28 | 28 | $126 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 14 | 14 | $109 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 12 | 12 | $107 |
In context: peer comparison
Among 9 peers in Chandler Gastroenterology Physician, average services per provider: 61. This provider delivers 7.8× the peer median.Open Payments
Industry payments received
All-time total
$581
Transactions
6
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Boston Scientific Corporation | 2 | $293.37 | |
| Madrigal Pharmaceuticals | 1 | $144.22 | |
| Genzyme Corporation | 2 | $129.57 | |
| Takeda Pharmaceuticals U.S.A., INC. | 1 | $13.76 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
312
Patients
186
Total drug cost
$32,757
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 124 | 62 | $1,645 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) | Brand | 58 | 58 | $4,671 |
| Famotidine | Generic | 43 | 22 | $673 |
| Sucralfate | Generic | 30 | 12 | $3,064 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 21 | 19 | $312 |
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 13 | 13 | $286 |
| Linzess (Linaclotide) | Brand | 12 | 0 | $20,142 |
| Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) | Brand | 11 | 0 | $1,965 |
Hospital affiliations
Frequently asked questions
What is Dr. Emma Castillo's medical specialty?
Dr. Emma Castillo practices Gastroenterology Physician in Chandler, AZ.
Where does Dr. Emma Castillo practice?
Dr. Emma Castillo practices at 600 S Dobson RD Ste A1, Chandler, AZ 852245694. Office phone: 4807866655.
What is Dr. Emma Castillo's NPI?
Dr. Emma Castillo's National Provider Identifier (NPI) is 1598730053, issued by NPPES.
Does Dr. Emma Castillo accept Medicare assignment?
Yes. Dr. Emma Castillo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Emma Castillo commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.