Doctor profile · Federal record
Dr. Gustavo Diaz-Reyes, MD
Otolaryngology Physician (CMS: Otolaryngology) · Otolaryngology Physician · Kyle, TX
- NPI 1588652168
- Accepts Medicare
- 36 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4100 Everett Dr, Suite 400
Kyle, TX 786406146
(512) 295-1333
fax (512) 406-7327 - Mailing address
-
6210 E Hwy 290
Austin, TX 787231142
Credentials & registration
- NPI registered
- October 2005 — 21 yrs on file
- Profile last updated
- June 11, 2021
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 207Y00000X — NUCC code
- State licenses (2)
- Texas #Q9332 · New York #234797
- Medicaid (3)
- TX #364332202 · NY #02634339 · TX #364332201
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1588652168. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
318
Distinct HCPCS
7
Medicare allowed
$31,742
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99203 |
New patient office or other outpatient visit, 30-44 minutes | 62 | 62 | $107 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 62 | 56 | $87 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 60 | 60 | $154 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 50 | 45 | $54 | |
69210 |
Removal of impacted ear wax | 32 | 30 | $45 | |
31575 |
Diagnostic exam of voice box using a flexible endoscope | 29 | 27 | $124 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 23 | 22 | $119 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 57. This provider delivers 5.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
73
Patients
11
Total drug cost
$753
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Fluticasone Propionate | Generic | 39 | 0 | $345 |
| Omeprazole | Generic | 22 | 11 | $162 |
| Levothyroxine Sodium | Generic | 12 | 0 | $246 |
Frequently asked questions
What is Dr. Gustavo Diaz-Reyes's medical specialty?
Dr. Gustavo Diaz-Reyes practices Otolaryngology Physician in Kyle, TX.
Where does Dr. Gustavo Diaz-Reyes practice?
Dr. Gustavo Diaz-Reyes practices at 4100 Everett Dr, Kyle, TX 786406146. Office phone: 5122951333.
What is Dr. Gustavo Diaz-Reyes's NPI?
Dr. Gustavo Diaz-Reyes's National Provider Identifier (NPI) is 1588652168, issued by NPPES.
Does Dr. Gustavo Diaz-Reyes accept Medicare assignment?
Yes. Dr. Gustavo Diaz-Reyes accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gustavo Diaz-Reyes commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99203); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.