DR. JAVIER FERNANDO DIEGUEZ (M.D.) – Pulmonary Disease Physician, NPI 1497061527
Pulmonary Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,186 PULMONARY DISEASE in TX
Provider Addresses for DR. JAVIER FERNANDO DIEGUEZ (M.D.)
PO BOX 840020
DALLAS, TX 752840020
Phone: (806) 358-0200
Fax: (806) 356-5590
Type: Mailing
6700 W 9TH AVE
AMARILLO, TX 791061701
Phone: (806) 358-0200
Fax: (806) 356-5590
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 126 Open Payments records for all available years, with a total value of $6,277.
Total Amount is formed as General ($6,277) + Research ($0) + Ownership ($0) = $6,277.
Last reported payment date: 2024-12-17 • Largest payer in this snapshot: Intuitive Surgical, Inc. ($3,852).
Total Amount
$6,277
General + Research + Ownership
Payments
126
Total payment records
General Amount
$6,277
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-17
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2015-08-13
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 |
|---|---|---|---|---|
| I20150813009821 | I | Pulmonary Disease | 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 |
|---|---|---|---|---|
| 94729 | Test to examine how well the lungs exchange gases | 603 | 579 | $0 |
| 94060 | Test to measure expiratory airflow and volume changes before and after medication administration | 602 | 571 | $0 |
| 94726 | Test to determine lung volumes using sensors | 359 | 347 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 302 | 260 | $0 |
| 71046 | X-ray of chest, 2 views | 288 | 259 | $0 |
Insurance plans in this area (ZIP 75284)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PULMONARY DISEASE | TX | 36556 | Insertion of central venous catheter for infusion, patient 5 years or older | 13 | 13 |
| PULMONARY DISEASE | TX | 94060 | Measurement and graphic recording of the amount and speed of breathed air, before and following medication administration | 140 | 137 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Interventional Cardiology, Cardiovascular Disease (Cardiology) | TX | |
| Cardiovascular Disease (Cardiology), Interventional Cardiology | TX | |
| Cardiovascular Disease (Cardiology) | TX | |
| Cardiovascular Disease (Cardiology) | TX | |
| Cardiac Electrophysiology, Cardiovascular Disease (Cardiology) | TX | |
| Interventional Cardiology | TX | |
| Cardiovascular Disease (Cardiology) | TX | |
| Interventional Cardiology, Cardiovascular Disease (Cardiology) | TX | |
| Cardiovascular Disease (Cardiology) | TX | |
| Pulmonary Disease, Critical Care (Intensivists), Internal Medicine | TX |
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