Dr. Tyler Basen, M.D.
What this data tells you about Dr. Basen
Dr. Tyler Basen is an allergy & immunology physician in Mission Viejo, CA, with 12 years of NPI registration. Based on federal Medicare data, Dr. Basen performed 10,404 Medicare services across 745 unique beneficiaries.
Between the years covered by Open Payments, Dr. Basen received a total of $147,878 from 27 pharmaceutical and/or device companies across 510 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in allergy & immunology (internal medicine) physician. The majority of payments are for speaking programs and promotional activities, reflecting participation in industry-sponsored events. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Basen is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Allergy skin test A diagnostic test performed to identify specific allergies by applying or introducing allergenic extracts to the body. The procedure measures the patient's immune response to various potential allergens. |
7,362 | $4 | $10 |
| Allergy skin patch test A diagnostic test where small amounts of potential allergens are applied to the skin to identify substances that cause an allergic reaction. |
1,120 | $5 | $13 |
| Skin allergy test A test where small amounts of potential allergens are injected into the skin to check for allergic reactions. |
500 | $7 | $20 |
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
437 | $105 | $245 |
| Health risk assessment administration and interpretation This procedure involves administering a health risk assessment to a patient and interpreting the results. |
374 | $2 | $20 |
| Expiratory airflow and volume test A test that measures the amount of air you can exhale and the speed at which you can breathe it out. It evaluates lung function by assessing expiratory airflow and volume. |
118 | $23 | $85 |
| Breathing device use evaluation An assessment of how a patient uses a breathing device. The provider reviews the patient's technique and device handling. |
101 | $15 | $40 |
| Principal care management for high-risk disease, first 30 minutes This service involves 30 minutes of personal care management by a qualified healthcare professional for a patient with a single high-risk disease, billed per calendar month. |
84 | $68 | $180 |
| New patient office visit, complex (60-74 min) | 75 | $177 | $460 |
| Remote patient monitoring management, 20 min/month Management based on results from remote vital sign monitoring for the first 20 minutes per calendar month. |
67 | $38 | $120 |
| Drug injection, under skin or into muscle A procedure involving the administration of a medication or substance via injection into the subcutaneous tissue or muscle. |
63 | $12 | $35 |
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
42 | $129 | $365 |
| Spirometry test before and after medication A test that measures the amount of air you can exhale and the speed of your breathing before and after taking a medication. |
32 | $35 | $140 |
| Office visit, established patient (10-19 min) An office visit for an existing patient lasting 10 to 19 minutes. The visit involves medical evaluation and management of the patient's condition. |
15 | $50 | $105 |
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
14 | $78 | $170 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
All-time payments by company (2018-2024) ›
Associated products mentioned in payments ›
The majority of payments (91%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in allergy & immunology (internal medicine) physician and does not inherently indicate bias, but patients may wish to be aware. Total industry engagement is in the top 4% for allergy & immunology (internal medicine) physician in CA.
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Basen is a mixed practice specialist, with above-average Medicare volume (top 23% in CA), with speaking/promotional industry engagement in the top 4% of CA peers.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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