Physician Profile
Marc D. Larsen, MD is a healthcare provider in Kansas City, MO specializing in emergency medical services. Marc trained at University of Kansas School of Med (Kc/Wich/Sal), graduating in 2003. Medicare claims data shows Marc provided 669 services to 658 patients. The services billed most often include emergency department visit with high level of medical decision making, routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, and emergency department visit with moderate level of medical decision making.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
4401 WORNALL RD
Kansas City, MO 64111
Within Emergency Medical Services generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Abdominal
Airway & breathing
Allergies & Immune
Brain & nerve
Brain & Nervous System
Breathing & Airway
Digestive emergency
Environmental
General emergency
Heart & Circulation
Heart & circulation
Infections
Mental Health
Metabolic
Pediatric emergency
Poisoning & Overdose
Poisoning & toxins
Pregnancy
Surgical emergency
Trauma & Injury
Trauma & injury
Airway & breathing
Airway & Breathing
Community Care
Critical Care
Diagnostic
Emergency Medication
Emergency Transport
EMS services
EMS transport
Environmental Care
Evaluation & Testing
Heart care
Life Support
Medical Transport
Mental Health
Rescue services
Trauma & injury
Trauma Care
669 services · 658 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
160 | More often than most peers in Emergency Medical Services |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
299 | More often than most peers in Emergency Medical Services |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
148 | More often than most peers in Emergency Medical Services |
| Critical care, first 30-74 minutes | Office visit | 99291 |
40 | As often as other peers in Emergency Medical Services |
| Emergency department visit with low level of medical decision making | Office visit | 99283 |
22 | As often as other peers in Emergency Medical Services |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Larsen is an emergency medical services in Kansas City, MO. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Larsen is listed at 4401 Wornall Rd, Kansas City, MO 64111. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (816) 932-2047. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Larsen's National Provider Identifier is 1144236159. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Larsen attended University of Kansas School of Med (Kc/Wich/Sal), graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
Dr. Larsen has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Larsen provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Larsen. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.