Physician Profile
Douglas T. Summerfield, MD is a healthcare provider in Mason City, IA specializing in critical care medicine. Douglas trained at Creighton University School of Medicine, graduating in 2007. Douglas is also listed as specializing in internal medicine. Medicare claims data shows Douglas provided 628 services to 353 patients. The services billed most often include critical care, first 30-74 minutes, subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, and insertion of non-tunneled central venous tube for infusion (5 years or older).
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.
1000 4TH ST SW
Mason City, IA 50401
Within Critical Care 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.
Blood & metabolism
Brain & nerve
Brain & Nervous System
Breathing & Lungs
Digestive emergencies
Environmental emergencies
Heart & Circulation
Heart & vascular
Infection & Sepsis
Infections
Injury & trauma
Lung & breathing
Medication reactions
Metabolic Emergencies
Muscle & kidney
Organ Failure
Pregnancy emergencies
Recovery
Substance emergencies
Toxicity & Trauma
Airway & Breathing
Airway procedures
Brain procedures
Breathing support
Consultation & Recovery
Digestive procedures
Emergency surgery
Fluid Drainage
Heart procedures
Heart support
ICU recovery
Lab tests & monitoring
Life Support
Medication therapies
Medications & Infusions
Monitoring
Nutrition & Digestion
Nutrition support
Organ Support
Vascular Access
628 services · 353 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of non-tunneled central venous tube for infusion (5 years or older) | Procedure | 36556 |
31 | More than most peers in Critical Care Medicine |
| Emergent insertion of breathing tube into windpipe using an endoscope | Procedure | 31500 |
18 | More often than most peers in Critical Care Medicine |
| Aspiration of initial secretion of lung airway using an endoscope | Procedure | 31645 |
14 | Less often than most peers in Critical Care Medicine |
| Critical care, first 30-74 minutes | Office visit | 99291 |
331 | More often than most peers in Critical Care Medicine |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
234 | More often than most peers in Critical Care Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Summerfield is a critical care physician in Mason City, IA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Critical Care Medicine”.
NPI registry
Dr. Summerfield is listed at 1000 4Th St Sw, Mason City, IA 50401. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (641) 428-6999. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Summerfield's National Provider Identifier is 1518120633. 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. Summerfield attended Creighton University School of Medicine, graduating in 2007. This comes from the CMS National Downloadable File.
CMS public data
Dr. Summerfield has 19 years experience. Calculated from a graduation year of 2007, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Summerfield performs procedures including insertion of non-tunneled central venous tube for infusion, emergent insertion of breathing tube into windpipe using an endoscope and aspiration of initial secretion of lung airway using an endoscope, 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. Summerfield. 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.