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Physician Profile

Denis J. Kollar, MD

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At a glance

About Dr. Kollar

Denis J. Kollar, MD practices emergency medicine in West Covina, CA. Denis is a 1972 graduate of Loma Linda University School of Medicine. According to Medicare claims data, Denis cared for 375 Medicare patients across 408 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. The provider's National Provider Identifier (NPI) is 1154375830.

Factual summary compiled by Guide.md from public records; not written by this provider.

Education & Training

Specialty

Emergency Medicine (Primary)

Credentials & Licensing

CA · Physician and Surgeon GMedical Board of California
No. 25046CurrentExpires Apr 2028Since 1973
NPINational Provider Identifier
1154375830Issued 2006

Snapshot · verify with the board ↗

Medicare information

Accepts Medicare assignmentYes
Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What does Dr. Kollar specialize in?

Dr. Kollar is an emergency physician in West Covina, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Emergency Medicine”.

NPI registry

Where is Dr. Kollar located?

Dr. Kollar is listed at 1115 S Sunset Ave, West Covina, CA 91790. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Kollar's phone number?

The number on file is (626) 814-2434. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Dr. Kollar's NPI number?

Dr. Kollar's National Provider Identifier is 1154375830. 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

Where did Dr. Kollar go to medical school?

Dr. Kollar attended Loma Linda University School of Medicine, graduating in 1972. This comes from the CMS National Downloadable File.

CMS public data

How long has Dr. Kollar been practicing?

Dr. Kollar has 54 years experience. Calculated from a graduation year of 1972, reported in the CMS National Downloadable File.

CMS public data

What does Dr. Kollar do most often?

According to Medicare billing data, Dr. Kollar performs imaging including x-ray of chest, 1 view; 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

Has Dr. Kollar confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Kollar. If this is you, claiming it is free.

Guide.md

Guide.md listings do not constitute medical advice or an endorsement.

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