Dr. Michael Johl
Cardiology (Cardiovascular Disease Physician)
34 Mark West Springs Rd
Santa Rosa, CA 95403
Who else practices at this address →
Sonoma County includes mental health (39% of residents) shortage areas. About shortage areas
- Medicare participating
At a glance
- Years since graduation
- 12
- In the NPI registry since
- 2014
- Medicare patients seen, 2024
- 916
Licensed in California since 2016, according to the Medical Board of California. We show license dates only for the states that publish them in bulk; see which states do. For other states, check the state medical board.
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2014Registered with an NPI (national billing number; not a license date)
Medicare’s Care Compare data doesn’t list this clinician’s medical school. Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Cardiovascular Disease Physician primary
CA license 1126262 -
Internal Medicine Physician
CA license A140871 (first issued 2016; current) - Student in an Organized Health Care Education/Training Program
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- California PAcific Medical Center- Van Ness Campus San Francisco, CA
- Providence Santa Rosa Memorial Hospital Santa Rosa, CA
- Sutter Santa Rosa Regional Hospital Santa Rosa, CA
- Adventist Health Ukiah Valley Ukiah, CA
- Sutter Lakeside Hospital Lakeport, CA
Medical groups
- Sutter Bay Medical Foundation (3,829 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 916
- Services billed
- 2,943
- Patients’ average age
- 75
| Service | Times | Patients |
|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 415 | 326 |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 318 | 309 |
| Established patient office or other outpatient visit, 30-39 minutes | 290 | 196 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 189 | 103 |
| New patient office or other outpatient visit, 45-59 minutes | 160 | 160 |
| Heart rhythm review and interpretation of continous external ekg over 8-15 days | 76 | 74 |
| Critical care, first 30-74 minutes | 73 | 42 |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 72 | 68 |
| Established patient office or other outpatient visit, 40-54 minutes | 67 | 61 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 67 | 67 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Medicare prescriptions
Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.
Payments from drug and device companies
In 2025, 13 companies reported 16 payments worth $470 in total to this clinician.
| Medtronic, Inc. | $59.59 |
|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $55.36 |
| Pfizer Inc. | $47.27 |
| Edwards Lifesciences Corporation | $47.01 |
| Philips North America LLC | $45.92 |
| Stryker Corporation | $42.09 |
| Amgen Inc. | $31.69 |
| Syndax Pharmaceuticals, Inc. | $29.64 |
| Food and Beverage | $470 |
|---|
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.