Dr. Michael Tomberg, M.D.
What this data tells you about Dr. Tomberg
Dr. Michael Tomberg is a family medicine specialist in Bainbridge Island, WA, with 20 years of NPI registration. Based on federal Medicare data, Dr. Tomberg performed 1,985 Medicare services in 2023. These records do not provide a deduplicated patient total.
The Data Coverage level for Dr. Tomberg is 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 — 2023
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. |
541 | $85 | $327 |
| Blood draw (venipuncture) Insertion of a needle into a vein to collect a blood sample. |
531 | $8 | $22 |
| Annual wellness visit, follow-up A follow-up annual wellness visit that includes a personalized prevention plan of service. |
222 | $132 | $224 |
| Online digital E/M service, established patient, 11-20 min An online digital evaluation and management service for an established patient. The service involves a total time of 11 to 20 minutes over a period of up to 7 days. |
72 | $19 | $83 |
| 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. |
68 | $54 | $231 |
| Flu vaccine, quadrivalent A flu shot containing four strains of the influenza virus to help prevent seasonal influenza infection. |
60 | $74 | $78 |
| Flu vaccine administration This procedure involves the administration of the influenza virus vaccine. It covers the process of delivering the vaccine to the patient. |
57 | $31 | $89 |
| Echocardiogram, transthoracic An ultrasound of the heart that uses color to show blood flow, rate, direction, and valve function. |
51 | $102 | $2,097 |
| Office visit for established patient An office visit for an existing patient that may not require the healthcare professional to be present. |
50 | $14 | $160 |
| Office visit, established patient, complex (40-54 min) An office or outpatient visit for an existing patient lasting between 40 and 54 minutes. This level of service is determined by the total time spent on the date of the encounter. |
47 | $123 | $450 |
| Prothrombin time test (blood clotting) A laboratory test that measures how long it takes for blood to clot. This procedure evaluates the body's coagulation process. |
41 | $4 | $40 |
| Online digital evaluation for established patient, 5-10 minutes This service involves an online digital evaluation and management visit for an established patient. It covers a total time of 5 to 10 minutes over a period of up to 7 days. |
40 | $10 | $43 |
| Routine 12-lead electrocardiogram (ECG) A test that records the electrical activity of the heart using at least 12 leads to produce a tracing. |
37 | $4 | $301 |
| Urinalysis with microscopic exam A urine test performed manually that includes examining the sample under a microscope to check for abnormalities. |
34 | $3 | $33 |
| SARS-CoV-2 vaccine, 30 mcg/0.3 mL Administration of the SARS-CoV-2 (COVID-19) vaccine containing 30 micrograms of antigen in a 0.3 milliliter dose. |
24 | $40 | $40 |
| Follow-up ultrasound of heart blood flow, valves and chambers An ultrasound exam that follows up on the heart's blood flow, valves, and chambers. It uses sound waves to create images of the heart's structure and function. |
22 | $12 | $321 |
| Echocardiogram with color Doppler An ultrasound of the heart that uses color imaging to visualize blood flow, measure flow rate, and assess valve function. |
22 | $15 | $866 |
| Stress echocardiogram An ultrasound of the heart performed while at rest and during exercise or drug-induced stress to evaluate heart function under different conditions. |
21 | $80 | $2,076 |
| Pneumococcal conjugate vaccine (PCV20) An intramuscular injection of the 20-valent pneumococcal conjugate vaccine. It is used to protect against diseases caused by Streptococcus pneumoniae bacteria. |
17 | $282 | $649 |
| Pneumonia vaccine administration This procedure involves the injection of a vaccine to protect against pneumococcal disease. It is administered by a healthcare provider. |
16 | $31 | $82 |
| SARS-CoV-2 vaccine, 30 mcg/0.3 mL dose Administration of a 30 mcg/0.3 mL dose of the SARS-CoV-2 vaccine. |
12 | $40 | $40 |
Geographic Context
8.6 mi
Data Sources
| Provider Registry | ✓ NPPES | NPPES snapshot; verify current record |
| Medicare Enrollment | ✓ PECOS | PECOS snapshot |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | — No payments | N/A |
| Disciplinary History | — Not included | N/A |
This provider has data in 3 of 4 available federal datasets, with a Data Coverage level of High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Tomberg is a clinical cardiology specialist, with above-average Medicare volume (top 4% in WA), 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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This page combines public CMS records with calculated summaries and explanatory procedure labels. These transformations are not verbatim federal records. Sources: NPPES ↗, 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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