LES ALLEN MERSHON (PA-C) – Medical Physician Assistant, NPI 1265723985
Medical Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
10,564 PHYSICIAN ASSISTANT in CA
Provider Addresses for LES ALLEN MERSHON (PA-C)
6136 LAKE MURRAY BLVD
LA MESA, CA 919422502
Phone: (619) 303-5500
Mailing address matches the actual address.
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: 2018-03-20
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20110615000548 | I | Physician Assistant | AZ | TBD |
| I20180320001126 | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 413 | 360 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 281 | 281 | $0 |
| 87804 | Detection test by immunoassay with direct visual observation for influenza virus | 173 | 86 | $0 |
| 71046 | X-ray of chest, 2 views | 167 | 163 | $0 |
| U0002 | 2019-ncov coronavirus, sars-cov-2/2019-ncov (covid-19), any technique, multiple types or subtypes (includes all targets), non-cdc | 164 | 162 | $0 |
Insurance plans in this area (ZIP 91942)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | AZ | |
| Physician Assistant | FL | |
| Emergency Medicine | AZ | |
| Nurse Practitioner | AZ | |
| Nurse Practitioner | AZ | |
| Nurse Practitioner | AZ | |
| Nurse Practitioner | AZ |
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