Dr. Mark Randolph Riser , DO
Emergency Medicine • Parsippany, NJ
Professional Overview & Biography Verified Profile Summary
Dr. Mark Riser, DO is a certified Emergency Medicine practicing in Parsippany, NJ. With approximately 31 years of clinical experience since graduating from Kansas City University Of Med & Biosciences, College Of Osteo Med in 1995, Dr. Riser delivers high-quality medical care to the local community at 3 CENTURY DR.
Dr. Riser maintains professional affiliations with Aspirus Eagle River Hospital And Clinics, Inc, Aspirus Rhinelander And Tomahawk Hospitals And Clinics, Inc. and accepts Medicare assignment.
Frequently performed procedures and clinical services include emergency department visit with moderate level of medical decision making, emergency department visit for life threatening or functioning severity, emergency department visit with low level of medical decision making. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.
Practice Location & Contact Primary Location
3 Century Dr
Parsippany, NJ 070544610
Medicare Profile & Education
Kansas City University Of Med & Biosciences, College Of Osteo Med
1995
✓ Accepts Assignment
In-Person Only
Specialty Benchmarks & Practice Insights
Comparative analytics for Emergency Medicine in Parsippany, NJ
Practicing in Parsippany, NJ (1807 Statewide)
In-Person Office Visits Only
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 |
|---|---|---|---|---|
|
99284
Emergency department visit with moderate level of medical decision making
|
75 | 74 | $552.25 | $111.20 |
|
99285
Emergency department visit for life threatening or functioning severity
|
39 | 39 | $787.33 | $161.77 |
|
99283
Emergency department visit with low level of medical decision making
|
35 | 35 | $363.54 | $65.12 |
|
93010
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only
|
18 | 18 | $46.00 | $7.69 |
|
99291
Critical care, first 30-74 minutes
|
18 | 18 | $1111.50 | $196.50 |
|
99213
Established patient office or other outpatient visit, typically 15 minutes
|
13 | 13 | $216.23 | $61.22 |
Medical Specialties & State Licenses
CMS Verified: 2026-05-19NUCC Taxonomy Code: 207P00000X
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
NUCC Taxonomy Code: 207Q00000X
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
NUCC Taxonomy Code: 207Q00000X
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
NUCC Taxonomy Code: 207P00000X
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
NUCC Taxonomy Code: 207P00000X
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
NUCC Taxonomy Code: 207Q00000X
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Hospital & Practice Group Affiliations
Aspirus Eagle River Hospital And Clinics, Inc
201 Hospital Rd, Eagle River, WI 545218835
Phone: 7154797411
Aspirus Rhinelander And Tomahawk Hospitals And Clinics, Inc.
2251 N Shore Dr, Rhinelander, WI 545016712
Phone: 7153612000
Secondary Practice Locations
115 Cass Ave
Woonsocket, RI 028954705
Phone: 7329366447
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Nurse Practitioner
Adult-Gerontology Nurse Practitioner
Physician Assistant - Medical
Physician Assistant
Physician Assistant
Physician Assistant (Certified)
Emergency Medicine
Doctor of Medicine (M.D.)
Emergency Medicine - Emergency Medical Services
Doctor of Osteopathic Medicine (D.O.)
Nurse Practitioner - Family
Advanced Practice Nurse
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Emergency Medicine (License #268189-1 in NY)
NPI status registered as active in NPPES database
Registered at 3 CENTURY DR, PARSIPPANY, NJ 070544610 (Tel: 9737400607)
Registered at 3 CENTURY DR, PARSIPPANY, NJ 070544610 (Tel: 9737400607)
Recorded as MARK RISER, DO
Emergency Medicine (License #268189-1 in NY)
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
3 Century Dr
Parsippany, NJ 070544610
Phone: 9737400607
This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.