MATTHEW LAMON (DO) – Addiction Medicine (Family Medicine) Physician, NPI 1356835243
Addiction Medicine (Family Medicine) Physician
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Profile Insights
NPPES metrics only — not quality of care.
13,194 FAMILY PRACTICE in CA
Provider Addresses for MATTHEW LAMON (DO)
300 HILLMONT AVE, BLDG 340, SUITE 201
VENTURA, CA 93003
Phone: (805) 652-6100
Fax: (805) 652-3252
Type: Location
2150 N Victoria Ave
Oxnard, CA 930367791
Phone: (805) 382-6296
Type: Location
Knoll Drive, Ventura, Ventura County, California, 93009, United States
VENTURA, CA 930037307
Phone: (805) 677-5181
Fax: (805) 677-5304
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 24 Open Payments records for all available years, with a total value of $475.
Total Amount is formed as General ($475) + Research ($0) + Ownership ($0) = $475.
Last reported payment date: 2024-12-16 • Largest payer in this snapshot: Indivior Inc. ($253).
Total Amount
$475
General + Research + Ownership
Payments
24
Total payment records
General Amount
$475
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Indivior Inc. | $253 |
| ABBVIE INC. | $67 |
| Alkermes, Inc. | $48 |
| Gilead Sciences, Inc. | $46 |
| Braeburn Inc. | $35 |
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: 2022-03-31
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 |
|---|---|---|---|---|
| I20220331003148 | I | Family Practice | 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 | 50 | 40 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 35 | 24 | $0 |
Insurance plans in this area (ZIP 93003)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| - | CA | |
| Family Practice | CA | |
| - | CA | |
| Orthopedic Surgery | CA | |
| - | CA | |
| N E U R O S U R G E R Y | NY | |
| Family Practice | CA | |
| Family Practice | MA | |
| Anesthesiology, Critical Care (Intensivists), Internal Medicine | CA |
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