DR. GUSTAVO DIAZ-REYES (MD) – Otolaryngology Physician, NPI 1588652168
Otolaryngology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
892 OTOLARYNGOLOGY in TX
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Provider Addresses for DR. GUSTAVO DIAZ-REYES (MD)
Quarry Lake Business Center, 4515, Seton Center Parkway, Quarry, Austin, Travis County, Texas, 78759, United States
SUITE 215-CREDENTIALING
AUSTIN, TX 787595290
Phone:
Type: Mailing
4100, Everett, Kyle, Texas, 78640, United States
SUITE 400
KYLE, TX 786406146
Phone: (512) 295-1333
Fax: (512) 406-7327
Type: Location
6210 E HWY 290
AUSTIN, TX 787231142
Phone: (512) 483-9596
Fax: (512) 406-6216
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2016-11-08
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20161108002428 | I | Otolaryngology | TX | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 62 | 62 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 62 | 56 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 60 | 60 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 50 | 45 | $0 |
| 69210 | Removal of impacted ear wax | 32 | 30 | $0 |
Insurance plans in this area (ZIP 78759)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| OTOLARYNGOLOGY | TX | 92567 | Eardrum testing using ear probe | 11 | 11 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| General Surgery | TX | |
| - | TX | |
| Nurse Practitioner | LA | |
| - | TX | |
| - | TX | |
| - | TX | |
| Family Practice | IA | |
| Family Practice | TX | |
| - | TX | |
| O B S T E T R I C S/ G Y N E C O L O G Y | TX |
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