Physician Profile
Based in Columbia, MO, Oscar L. Llanos Ulloa, M.D. is listed in the NPI registry under critical care (intensivists). Oscar is also listed as specializing in pulmonary disease, student in an organized health care education program, and critical care medicine. Medicare claims data shows Oscar provided 617 services to 375 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 35 minutes, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. NPI 1235544313 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.
1 HOSPITAL DR
Columbia, MO 65212
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
617 services · 375 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Test for exercise-induced lung stress | Treatment | 94618 |
20 | As often as other peers in Critical Care (Intensivists) |
| Critical care, first 30-74 minutes | Office visit | 99291 |
239 | More often than most peers in Critical Care (Intensivists) |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
111 | More often than most peers in Critical Care (Intensivists) |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
88 | As often as other peers in Critical Care (Intensivists) |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
60 | As often as other peers in Critical Care (Intensivists) |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
39 | As often as other peers in Critical Care (Intensivists) |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
35 | As often as other peers in Critical Care (Intensivists) |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
13 | Less often than most peers in Critical Care (Intensivists) |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
12 | Less often than most peers in Critical Care (Intensivists) |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Oscar L. Llanos Ulloa is a critical care (intensivists) in Columbia, MO. That is the designation recorded for this NPI in the federal registry.
NPI registry
Oscar L. Llanos Ulloa is listed at 1 Hospital Dr, Columbia, MO 65212. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (573) 882-9072. Contact the office directly to confirm availability and scheduling.
NPI registry
Oscar L. Llanos Ulloa's National Provider Identifier is 1235544313. 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
Oscar L. Llanos Ulloa attended Other, graduating in 2007. This comes from the CMS National Downloadable File.
CMS public data
Oscar L. Llanos Ulloa 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, Oscar L. Llanos Ulloa provides treatments such as test for exercise-induced lung stress, 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 Oscar L. Llanos Ulloa. If this is you, claiming it is free.
Guide.md
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