Measuring cardiac index with a focused cardiac ultrasound examination in the ED (opens in a new tab)
Am J Emerg Med
Primary practice
Find Dr. Ko's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Ko practices at Eisenhower Health in Rancho Mirage, California, part of Eisenhower Medical Center.
Dr. Ko's NPI, 1427221415, was assigned on April 10, 2008. Dr. Ko graduated from University of Rochester Medical Center in 2008. Dr. Ko holds California license A109356.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Ko's primary practice is Eisenhower Health, at 39-000 Bob Hope Drive, Rancho Mirage, CA 92270 in Riverside County. The practice phone is (760) 340-3911. Dr. Ko also practices at Eisenhower Medical Center, 39000 Bob Hope Dr, Rancho Mirage, CA 92270.
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Ko's primary practice is Eisenhower Health in Rancho Mirage, California, part of Eisenhower Medical Center. The medical group on file is Eisenhower Health. Dmand AI also links Dr. Ko to 1 more breast imaging center, 1 clinical lab and 1 dialysis center, each named with a free account. Dr. Ko's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ko practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Eisenhower Health | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Eisenhower Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Emergency medicine is Dr. Ko's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Ko is board certified in emergency medicine by the American Board of Emergency Medicine. Dr. Ko is licensed in California.
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
CMS data shows 44 Medicare services from Dr. Ko across 2 procedure codes in 2020. Medicare paid $2,783 for them. Every service was in a facility, such as a hospital, rather than an office.
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ko and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Across all payers, Dmand AI patient panel data puts Dr. Ko's median patient age at 47, with 50% women.
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Median age 47
Source: Dmand AI Patient Panel Data
In 2017, Dr. Ko wrote 22 Medicare Part D claims. They cover 1 drug, with $102 in total drug cost. In 2016, CMS named 138 claims across 6 drugs.
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drugs named by CMS: 1 in 2017, 6 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dmand AI links 1 paper to Dr. Ko in 2012. Dr. Ko's most frequent co-authors are Ramesh C. Bansal, MD, Vi Am Dinh, MD and Hung B. Nguyen, MD.
Am J Emerg Med
See who Dr. Ko researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ko works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
CMS Open Payments shows 3 general payments to Dr. Ko from 1 drug or device company from 2017 to 2019. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $43.
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dmand AI lists 8 awards for Dr. Ko, most recently EMREF Research Grant in 2011.
Source: Dmand AI Professional Profile Data
Dr. Ko graduated from University of Rochester Medical Center in 2008. Dr. Ko is a member of AAEM, ACEP and ASKP.
Source: Dmand AI Professional Profile Data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
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Dr. Hong-Ki Samuel Ko's NPI number is 1427221415. It was assigned on April 10, 2008, and it is active in the NPI Registry.
Dr. Hong-Ki Samuel Ko is an emergency medicine physician in Rancho Mirage, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Dr. Ko practices at 39-000 Bob Hope Drive, Rancho Mirage, CA 92270. Dr. Ko also practices at 39000 Bob Hope Dr, Rancho Mirage, CA 92270. Dr. Ko's primary practice is Eisenhower Health in Rancho Mirage, California, part of Eisenhower Medical Center. Dmand AI also links Dr. Ko to 1 breast imaging center, 1 clinical lab and 1 dialysis center.
The practice phone on file for Dr. Ko is (760) 340-3911.
Dr. Ko holds California license A109356.
Dr. Ko practices at Eisenhower Health in Rancho Mirage, California.
Dr. Ko is linked to Eisenhower Health.
Yes. CMS data shows Dr. Ko billed Medicare for 44 services in 2020.
Yes. Dr. Ko is board certified in emergency medicine by the American Board of Emergency Medicine.
In 2020, Dr. Ko's most billed Medicare services were heart test or procedure (93010) and emergency department visit (99285).
Dr. Ko graduated from University of Rochester Medical Center in 2008.
In 2017 Medicare Part D data, Dr. Ko's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
CMS Open Payments shows $43 in general payments to Dr. Ko from 1 company from 2017 to 2019. The largest total came from Allergan Inc.
Dr. Ko graduated from medical school in 2008, 18 years ago.
Dmand AI links 1 publication to Dr. Ko.
Dr. Ko's most frequent co-authors are Ramesh C. Bansal, MD (1 shared paper), Vi Am Dinh, MD (1 shared paper) and Hung B. Nguyen, MD (1 shared paper).
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