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Edit this profileBased in Wheat Ridge, CO, Walter Grenell, DO is listed in the NPI registry under emergency medical services. Walter is also listed as specializing in emergency medicine. According to Medicare claims data, Walter cared for 241 Medicare patients across 252 services. 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. NPI 1669714994 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.
8300 W 38TH AVE
Wheat Ridge, CO 80033
250 Hospital Pl
Soldotna, AK 99669
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
252 services · 241 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
90 | As often as other peers in Emergency Medical Services |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
112 | As often as other peers in Emergency Medical Services |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
31 | Less often than most peers in Emergency Medical Services |
| Critical care, first 30-74 minutes | Office visit | 99291 |
19 | Less often than most peers in Emergency Medical Services |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Grenell is an emergency medical services in Wheat Ridge, CO. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Grenell is listed at 8300 W 38Th Ave, Wheat Ridge, CO 80033. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (303) 425-4500. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Grenell's National Provider Identifier is 1669714994. 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. Grenell attended Other, graduating in 2013. This comes from the CMS National Downloadable File.
CMS public data
Dr. Grenell has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Grenell 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. Grenell. If this is you, claiming it is free.
Guide.md
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