MR. JOSEPH MICHAEL DIAZ (PA-C) – Physician Assistant, NPI 1023114709
Physician Assistant
Main info
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for MR. JOSEPH MICHAEL DIAZ (PA-C)
East Gonzales Road, Oxnard, Ventura County, California, 93030, United States
OXNARD, CA 930368212
Phone: (805) 981-5151
Fax: (805) 981-5150
Type: Location
Telegraph Road, Ventura, Ventura County, California, 93003, United States
VENTURA, CA 930041272
Phone: (805) 647-7704
Fax: (805) 647-4291
Type: Mailing
10885 TELEGRAPH RD
VENTURA, CA 930041272
Phone: (805) 647-7704
Fax: (833) 916-2148
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $172.
Total Amount is formed as General ($172) + Research ($0) + Ownership ($0) = $172.
Last reported payment date: 2024-09-25 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($89).
Total Amount
$172
General + Research + Ownership
Payments
4
Total payment records
General Amount
$172
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-25
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $89 |
| GlaxoSmithKline, LLC. | $28 |
| Medtronic, Inc. | $28 |
| Abbott Laboratories | $28 |
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: 2008-01-11
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 |
|---|---|---|---|---|
| I20080111000494 | I | Physician Assistant | CA | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 241 | 174 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 133 | 103 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 48 | 48 | $0 |
| 81002 | Urinalysis, manual test | 21 | 20 | $0 |
| 90677 | Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 16 | 16 | $0 |
Insurance plans in this area (ZIP 93036)
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