Physician Profile
Based in Loma Linda, CA, Astkhik Mangasarian, DO is listed in the NPI registry under critical care (intensivists). Astkhik is also listed as specializing in emergency medicine and anesthesiology — critical care. According to Medicare claims data, Astkhik cared for 86 Medicare patients across 86 services. The services billed most often include emergency department visit with high level of medical decision making and critical care, first 30-74 minutes. NPI 1083266704 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.
11234 ANDERSON ST
Loma Linda, CA 92354
707 E Main St
Middletown, NY 10940
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
86 services · 86 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
73 | More often than most peers in Critical Care (Intensivists) |
| Critical care, first 30-74 minutes | Office visit | 99291 |
13 | 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.
Dr. Mangasarian is a critical care (intensivists) in Loma Linda, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Mangasarian is listed at 11234 Anderson St, Loma Linda, CA 92354. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (909) 558-4000. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Mangasarian's National Provider Identifier is 1083266704. 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. Mangasarian attended Other, graduating in 2019. This comes from the CMS National Downloadable File.
CMS public data
Dr. Mangasarian has 7 years experience. Calculated from a graduation year of 2019, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Mangasarian 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. Mangasarian. If this is you, claiming it is free.
Guide.md
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