Physician Profile
Based in Kyle, TX, Gustavo Diaz-Reyes, MD is listed in the NPI registry under otolaryngology. Gustavo is also listed as specializing in otolaryngology (ent). According to Medicare claims data, Gustavo cared for 312 Medicare patients across 335 services. The services billed most often include new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more, established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. NPI 1588652168 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
4100 EVERETT DR SUITE 400
Kyle, TX 78640
Within Otolaryngology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Balance
Ear and hearing
Head, neck, and salivary
Nose and sinus
Sleep and airway
Throat and voice
Cancer
Head & Neck
Throat & Voice
Most searched procedures
Office diagnosis
Cosmetic
Ear & Hearing
Ear procedures
Head & Neck
Head and neck surgery
Nose & Sinus
Nose and sinus procedures
Sleep and airway
Throat & Voice
Throat, voice, and swallowing
335 services · 312 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Diagnostic exam of voice box using a flexible endoscope | Procedure | 31575 |
38 | As often as other peers in Otolaryngology |
| Removal of impacted ear wax | Procedure | 69210 |
37 | Less often than most peers in Otolaryngology |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
74 | As often as other peers in Otolaryngology |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
57 | More often than most peers in Otolaryngology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
47 | Less often than most peers in Otolaryngology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
47 | As often as other peers in Otolaryngology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
24 | Less often than most peers in Otolaryngology |
| Removal of impacted cerumen (one or both ears) by physician on same date of service as audiologic function testing | Billing code | G0268 |
11 | Less often than most peers in Otolaryngology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Diaz-Reyes is an ENT doctor in Kyle, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Otolaryngology”.
NPI registry
Dr. Diaz-Reyes is listed at 4100 Everett Dr Suite 400, Kyle, TX 78640. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (512) 295-1333. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Diaz-Reyes's National Provider Identifier is 1588652168. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Diaz-Reyes attended Other, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
Dr. Diaz-Reyes has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Diaz-Reyes performs procedures including diagnostic exam of voice box using a flexible endoscope and removal of impacted ear wax, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Diaz-Reyes. If this is you, claiming it is free.
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