Dr. Mark Laverne Janzen , MD
Surgery - Vascular Surgery • Riverside, CA
Professional Overview & Biography Verified Profile Summary
Dr. Mark Janzen, MD is a certified Surgery - Vascular Surgery practicing in Riverside, CA. With approximately 25 years of clinical experience since completing medical education in 2001, Dr. Janzen delivers high-quality medical care to the local community at 10800 MAGNOLIA AVENUE,.
Dr. Janzen is affiliated with Enloe Medical Center and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.
Frequently performed procedures and clinical services include established patient outpatient office visit, ultrasonic guidance for blood vessel access, moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.
Practice Location & Contact Primary Location
10800 Magnolia Avenue,
Kaiser Permanente Riverside Medical Center
Riverside, CA 92505
Medicare Profile & Education
Other
2001
✓ Accepts Assignment
Telehealth Services Available
Specialty Benchmarks & Practice Insights
Comparative analytics for Surgery - Vascular Surgery in Riverside, CA
Practicing in Riverside, CA (610 Statewide)
✓ Offers Virtual Consultations
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Clinical Seniority & Experience Comparison
Performed Procedures & Service Volume
Top Medicare Part B procedures performed by this practitioner
| HCPCS Code & Description | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
|
99214
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
|
568 | 373 | $244.86 | $95.70 |
|
99213
Established patient office or other outpatient visit, typically 15 minutes
|
101 | 94 | $149.61 | $64.83 |
|
76937
Ultrasonic guidance for blood vessel access
|
85 | 65 | $90.00 | $13.29 |
|
99152
Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes
|
67 | 56 | $27.00 | $11.53 |
|
99223
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes
|
47 | 45 | $376.68 | $170.24 |
|
99222
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes
|
46 | 43 | $289.22 | $127.85 |
|
75710
Radiological supervision and interpretation of imaging of artery of one arm or leg
|
41 | 34 | $177.00 | $77.27 |
|
99232
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
|
35 | 26 | $175.00 | $76.14 |
|
99231
Follow-up hospital inpatient care per day, typically 15 minutes
|
32 | 27 | $110.00 | $48.30 |
|
37228
Balloon dilation of artery of leg, initial vessel
|
29 | 24 | $1111.00 | $483.88 |
|
36902
Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist
|
28 | 23 | $507.00 | $224.79 |
|
37215
Insertion of stent and blood clot protection device in neck artery with review by radiologist
|
25 | 24 | $1685.92 | $725.26 |
|
99213
Established patient office or other outpatient visit, typically 15 minutes
|
24 | 24 | $147.00 | $74.00 |
|
36821
Relocation of arm vein with connection to arm artery, open procedure
|
21 | 21 | $1378.00 | $605.85 |
|
75625
Radiological supervision and interpretation X-ray of abdominal aorta
|
19 | 17 | $144.00 | $63.63 |
|
36832
Revision of dialysis graft, open procedure
|
14 | 13 | $1581.00 | $685.74 |
|
37226
Insertion of stent in arteries of leg
|
13 | 12 | $1065.00 | $344.22 |
|
99215
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
|
13 | 13 | $346.38 | $133.36 |
|
35301
Removal of blood clot and portion of artery of neck
|
13 | 13 | $2063.81 | $902.15 |
|
49324
Insertion of abdominal cavity catheter using an endoscope
|
11 | 11 | $838.00 | $369.72 |
|
37221
Insertion of stents in artery in one side of groin, endovascular, accessed through the skin or open procedure
|
11 | 11 | $1104.00 | $367.84 |
Medical Specialties & State Licenses
NUCC Taxonomy Code: 2086S0129X
A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.
NUCC Taxonomy Code: 208600000X
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
NUCC Taxonomy Code: 2086S0127X
Trauma surgery is a recognized subspecialty of general surgery. Trauma surgeons are physicians who have completed a five-year general surgery residency and usually continue with a one to two year fellowship in trauma and/or surgical critical care, typically leading to additional board certification in surgical critical care. There is no trauma surgery board certification at this point. To obtain board certification in surgical critical care, a fellowship in surgical critical care or anesthesiology critical care must be completed during or after general surgery residency.
Hospital & Practice Group Affiliations
Enloe Medical Center
1026 Mangrove Ave, Chico, CA 959263556
Phone: 5303327144
Enloe Medical Center
1600 Esplanade, Chico, CA 959263369
Phone: 5303324470
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
NPI status registered as active in NPPES database
Registered at 10800 MAGNOLIA AVENUE,, KAISER PERMANENTE RIVERSIDE MEDICAL CENTER, RIVERSIDE, CA 92505 (Tel: 4407810931)
Registered at 10800 MAGNOLIA AVENUE, MOB1, 2ND FLOOR, MODULE 216, KAISER PERMANENTE RIVERSIDE MEDICAL CENTER, RIVERSIDE, CA 92505 (Tel: 4407810931)
Recorded as MARK JANZEN, MD
Surgery (License #089484 in OH)
NPI status registered as active in NPPES database
Registered at 13951 TERRACE ROAD, SUITE 230, EAST CLEVELAND, OH 44112 (Tel: 2167613300)
Registered at 30 SEVERANCE CIRCLE, APARTMENT #805, CLEVELAND HEIGHTS, OH 44118 (Tel: 4407810931)
Recorded as MARK JANZEN, MD
Surgery (License #089484 in OH)
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
10800 Magnolia Avenue, Mob1, 2nd Floor, Module 216, Kaiser Permanente Riverside Medical Center
Riverside, CA 92505
Phone: 4407810931
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