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Edit this profileBased in San Diego, CA, Mark W. Simon, MD is listed in the NPI registry under emergency medicine. According to Medicare claims data, Mark cared for 136 Medicare patients across 137 services. The services billed most often include emergency department visit with high level of medical decision making and emergency department visit with moderate level of medical decision making. NPI 1649776584 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
200 W ARBOR DR
San Diego, CA 92103
10350 E Dakota Ave
Denver, CO 80247
12505 E 16TH AVE
Aurora, CO 80045
9300 Campus Point Dr
La Jolla, CA 92037
777 Bannock Street MC 0108
Denver, CO 80204
8910 Villa La Jolla Dr Ste 100
La Jolla, CA 92037
Within Emergency Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Abdomen & Digestion
Allergy & Immune
Allergy & Immunology
Bites & Stings
Blood & Circulation
Brain & Nerves
Breathing
Digestion & Stomach
Ear, Nose & Throat
Endocrine & Metabolic
Environmental
Eye Care
Eye Emergency
General Emergency
Heart & Chest
Heart & Circulation
Heart & Lungs
Infections & Illness
Injuries & Trauma
Lungs & Breathing
Men's Health
Poisoning & Environmental
Poisoning & Toxins
Skin & Infections
Spine & Back
Urinary & Bladder
Urinary & Kidney
Women's Health
Abdominal Procedures
Airway & Breathing
Anesthesia & Sedation
Breathing & Airway
Critical Care
Diagnostics
Digestive Care
Ear, Nose & Throat
Eye & ENT
Eye Care
Heart & Diagnostics
Heart Care
Imaging & Diagnostics
Injections & Vaccines
Kidney Care
Lung & Respiratory
Medications
Mental Health
Minor Procedures
Minor Trauma
Orthopedic Procedures
Orthopedics
Poisoning & Toxicology
Specialized Care
Stroke & Vascular
Supportive Care
Toxicology
Women's Health
Wound Care
137 services · 136 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
94 | As often as other peers in Emergency Medicine |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
43 | As often as other peers in Emergency Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Simon is an emergency physician in San Diego, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Emergency Medicine”.
NPI registry
Dr. Simon is listed at 200 W Arbor Dr, San Diego, CA 92103. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (800) 926-8273. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Simon's National Provider Identifier is 1649776584. 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. Simon attended Other, graduating in 2018. This comes from the CMS National Downloadable File.
CMS public data
Dr. Simon has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Simon the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. 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. Simon. If this is you, claiming it is free.
Guide.md
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