MR. JOHN WAYNE COWAN (P.A.) – Physician Assistant, NPI 1083706089
Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
10,570 PHYSICIAN ASSISTANT in CA
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Provider Addresses for MR. JOHN WAYNE COWAN (P.A.)
6258, Topiary Street, Carlsbad, San Diego County, California, 92009, United States
CARLSBAD, CA 920093063
Phone: (760) 431-1805
Type: Mailing
320, Santa Fe Drive, Encinitas, San Diego County, California, 92007, United States
STE. 300
ENCINITAS, CA 920245138
Phone: (760) 753-5667
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $73.
Total Amount is formed as General ($73) + Research ($0) + Ownership ($0) = $73.
Last reported payment date: 2023-06-20 • Largest payer in this snapshot: Boston Scientific Corporation ($59).
Total Amount
$73
General + Research + Ownership
Payments
3
Total payment records
General Amount
$73
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-06-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Boston Scientific Corporation | $59 |
| Pacira Pharmaceuticals Incorporated | $14 |
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: 2005-06-27
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 |
|---|---|---|---|---|
| I20050627000907 | 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 |
|---|---|---|---|---|
| 27447 | Replacement of knee joint, both sides of knee | 15 | 15 | $0 |
| 27130 | Replacement of thigh bone and hip joint with prosthesis | 13 | 12 | $0 |
Insurance plans in this area (ZIP 92009)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physical Therapist In Private Practice | CA | |
| Physical Therapist In Private Practice | CA | |
| Physical Therapist In Private Practice | CA | |
| Physician Assistant | CA | |
| Physician Assistant | CA | |
| Physical Medicine And Rehabilitation | NC | |
| - | CA | |
| Physical Therapist In Private Practice | CA | |
| Orthopedic Surgery | CA | |
| Orthopedic Surgery | CA |
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