Doctor profile · Federal record
Dr. Yilien Alonso, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Scottsdale, AZ
- NPI 1457779837
- Accepts Medicare
- 12 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
10752 N 89Th Pl Ste C134
Scottsdale, AZ 852607902
(480) 860-1990
fax (480) 860-1887 - Mailing address
-
3260 N Hayden RD Ste 112
Scottsdale, AZ 852516650
Credentials & registration
- NPI registered
- April 2014 — 12 yrs on file
- Profile last updated
- June 3, 2025
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Arizona #76518
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1457779837. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
219
Distinct HCPCS
5
Medicare allowed
$28,860
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 115 | 94 | $128 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 42 | 31 | $85 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 38 | 38 | $186 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 13 | 13 | $123 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 11 | 11 | $179 |
In context: peer comparison
Among 29 peers in Scottsdale Gastroenterology Physician, average services per provider: 53. This provider delivers 4.1× the peer median.Open Payments
Industry payments received
All-time total
$72
Transactions
3
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 1 | $30.90 | |
| Genzyme Corporation | 1 | $26.12 | |
| Boston Scientific Corporation | 1 | $15.11 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
333
Patients
170
Total drug cost
$70,394
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Linzess (Linaclotide) | Brand | 88 | 20 | $54,647 |
| Famotidine | Generic | 72 | 24 | $1,150 |
| Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) | Brand | 62 | 59 | $10,989 |
| Pantoprazole Sodium | Generic | 37 | 19 | $652 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) | Brand | 25 | 25 | $2,018 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 24 | 23 | $330 |
| Omeprazole | Generic | 13 | 0 | $136 |
| Sucralfate | Generic | 12 | 0 | $473 |
Frequently asked questions
What is Dr. Yilien Alonso's medical specialty?
Dr. Yilien Alonso practices Gastroenterology Physician in Scottsdale, AZ.
Where does Dr. Yilien Alonso practice?
Dr. Yilien Alonso practices at 10752 N 89Th Pl Ste C134, Scottsdale, AZ 852607902. Office phone: 4808601990.
What is Dr. Yilien Alonso's NPI?
Dr. Yilien Alonso's National Provider Identifier (NPI) is 1457779837, issued by NPPES.
Does Dr. Yilien Alonso accept Medicare assignment?
Yes. Dr. Yilien Alonso accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Yilien Alonso commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.