Matthew Lamon, DO
NPI 1356835243 · Addiction Medicine (Family Medicine) Physician · Ventura, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Lamon, DO is a Addiction Medicine (Family Medicine) Physician provider in Ventura, CA (NPI 1356835243).
Provider details
- NPI number
- 1356835243
- Entity type
- Individual
- Primary specialty
- Addiction Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
91 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 54 | $100 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 37 | $67 |
Typical Medicare-allowed amounts for these services range $67–$100 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Lisinopril | 39 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 23 |
| Amlodipine Besylate | 20 |
| Bupropion Hclbrand: Bupropion Xl | 20 |
| Rosuvastatin Calcium | 15 |
| Atorvastatin Calcium | 14 |
| Gabapentin | 14 |
| Hydrochlorothiazide | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$195 across 9 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 2150 N Victoria AveOxnard, CA 93036-7791Phone: (805) 382-6296
Registry dates
- Enumerated
- 2018-06-14
- Last updated
- 2023-07-13
- Certified
- 2023-07-13
Frequently asked questions
- What is Matthew Lamon's NPI number?
- Matthew Lamon's National Provider Identifier (NPI) is 1356835243, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Lamon's specialty?
- Matthew Lamon is listed in the NPPES registry with a primary specialty of Addiction Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Lamon located?
- Matthew Lamon's practice location on file with NPPES is 300 Hillmont Ave, Bldg 340, Suite 201, Ventura, CA 93003.
- What is Matthew Lamon's phone number?
- The practice phone number listed in the NPPES registry for Matthew Lamon is (805) 652-6100.
- Does Matthew Lamon accept Medicare?
- Matthew Lamon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Lamon's NPI active?
- Yes — Matthew Lamon's NPI (1356835243) is active in the NPPES registry as of the last update on 2023-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.