Dr. Bruce Tammelin, M.D.
What this data tells you about Dr. Tammelin
Dr. Bruce Tammelin is a sleep medicine physician in Mission Viejo, CA, with 20 years of NPI registration. Based on federal Medicare data, Dr. Tammelin performed 923 Medicare services across 762 unique beneficiaries.
Between the years covered by Open Payments, Dr. Tammelin received a total of $8,256 from 49 pharmaceutical and/or device companies across 300 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in sleep medicine (internal medicine) physician. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Tammelin 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 |
|---|---|---|---|
| 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. |
387 | $102 | $345 |
| Sleep study with continuous airway pressure, age 6+ A sleep study conducted in a sleep lab that monitors breathing and other body functions while administering continuous airway pressure. This test is performed on patients aged 6 years or older. |
144 | $423 | $1,841 |
| Home sleep test with portable monitor An unattended sleep study performed at home using a portable monitor that records breathing, heart rate, and oxygen levels. |
109 | $81 | $472 |
| 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. |
71 | $127 | $447 |
| Sleep study in sleep lab (age 6+) An overnight test conducted in a sleep laboratory to monitor sleep patterns and bodily functions in patients aged 6 years or older. |
48 | $381 | $1,778 |
| 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. |
35 | $34 | $110 |
| Pulmonary gas exchange test A test to examine how well the lungs exchange gases. |
33 | $49 | $168 |
| Lung volume test using sensors A test that measures the amount of air in the lungs using sensors. |
32 | $47 | $155 |
| Telephone medical discussion, 21-30 minutes A telephone conversation with a physician lasting between 21 and 30 minutes. This code covers the time spent discussing medical matters over the phone. |
32 | $110 | $345 |
| Overnight continuous oxygen level test This test measures oxygen levels in the blood continuously overnight using a device attached to the ear or finger. |
19 | $21 | $77 |
| 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. |
13 | $61 | $245 |
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 ›
Most payments (100%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
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. Tammelin is a clinical cardiology specialist, with moderate Medicare volume, with low-engagement industry engagement in the top 12% of CA peers, with 20 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
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Does Dr. Tammelin receive payments from pharmaceutical companies?
How do Dr. Tammelin's costs compare to other sleep medicine physicians in Mission Viejo?
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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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