Dr. Joseph K. Koo, MD
- Medicare services, 2024
- 1,101
- Medicare patients, 2024
- 155
- Part D claims, 2024
- 503
- Hospital affiliations
- 1
- Medical group
- 1
- Practice address
- 347 North Kuakini Street, Honolulu, HI 96817
- Practice phone
- Call (808) 536-2236
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Joseph K. Koo is an infectious disease specialist in Honolulu, Hawaii
Dr. Koo practices at Kuakini Medical Center in Honolulu, Hawaii, part of Kuakini Health System.
Dr. Koo's NPI, 1457350985, was assigned on July 18, 2005. Dr. Koo graduated from University of Hawaii John A. Burns School of Medicine in 1984. Dr. Koo holds Hawaii license MD-6718.
- NPI
- 1457350985NPI Registry (opens in a new tab)
- NPI enumeration date
- July 18, 2005
- NPI status
- Active
- Practice phone
- (808) 536-2236
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Joseph K. Koo practices at Kuakini Medical Center in Honolulu, Hawaii
Dr. Koo's primary practice is Kuakini Medical Center, at 347 North Kuakini Street, Honolulu, HI 96817 in Honolulu County. The practice phone is (808) 536-2236.
- Kuakini Medical Center347 North Kuakini Street, Honolulu, HI 96817 · Honolulu CountyPhone(808) 536-2236
Source: Dmand AI Affiliation Data
Dr. Joseph K. Koo is affiliated with 3 sites of care and 1 medical group
Dr. Koo's primary practice is Kuakini Medical Center in Honolulu, Hawaii, part of Kuakini Health System. Dmand AI also links Dr. Koo to 1 group practice or clinic, 1 skilled nursing facility and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Joseph K. Koo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Koo practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kuakini Medical Center | Available with a free account |
| +2 more sites and 1 medical group | 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 Kuakini Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Joseph K. Koo is one of 37 infectious disease specialists in Hawaii
Infectious disease is Dr. Koo's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Koo is licensed in Hawaii.
Specialties and state licenses
- Infectious disease, HawaiiPrimary
Infectious disease specialists near Dr. Koo
Counts of infectious disease specialists 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
Dr. Joseph K. Koo billed Medicare for 1,101 services in 2024
CMS data shows 1,101 Medicare services from Dr. Koo across 4 procedure codes in 2024, for 155 Medicare patients. Medicare paid $75,027 for them.
Dr. Koo's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,3012024: 1,10115%
Where Dr. Koo's Medicare services took place, 2024
- In an office18217%
- In a facility91983%
Dr. Koo compared with the Hawaii median for infectious disease specialists, 2024
- Dr. Koo
- Hawaii median
- Medicare services
- 1,101vs 3703.0 times
- Medicare patients
- 155vs 12623% above
- Part D claims
- 231vs 12093% above
Medians across 33 infectious disease specialists in Hawaii with Dmand AI profiles that report each measure.
Dr. Koo's most billed Medicare procedure codes, 2024
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. Koo and other infectious disease specialists in Hawaii.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joseph K. Koo treated 155 Medicare patients in 2024, average age 74
CMS counts 155 Medicare patients who saw Dr. Koo in 2024. The largest group is 75 to 84, with 60 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 3.29, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Koo's median patient age at 75, with 62% women.
Dr. Koo's Medicare patients by age, 2024
Dr. Koo's Medicare patients by sex, 2024
- Women7548%
- Men8052%
Chronic conditions among Dr. Koo's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease57%
- Diabetes54%
- Heart failure40%
- Arthritis39%
- Ischemic heart disease39%
- Atrial fibrillation31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Koo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women62%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Joseph K. Koo wrote 503 Medicare Part D claims in 2024
In 2024, Dr. Koo wrote 503 Medicare Part D claims for 97 patients. 89% of them were for generic drugs. CMS names the drug for 231 of them, across 11 drugs with 11 or more claims each, at $16,991 in total drug cost. In 2023, CMS named 339 claims across 18 drugs.
Dr. Koo's Part D claims by kind of drug, 2024
- Generic449 claims89%
- Brand-name54 claims11%
Dr. Koo's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Koo's Part D claims, 2024
- Antibiotics49%247 of 503 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3392024: 23132%
Drugs named by CMS: 11 in 2024, 18 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Joseph K. Koo graduated from University of Hawaii John A. Burns School of Medicine
Dr. Koo graduated from University of Hawaii John A. Burns School of Medicine in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Joseph K. Koo's 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 | Dmand AI Affiliation 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| 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
FAQ
Frequently asked questions about Dr. Joseph K. Koo
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Joseph K. Koo's NPI number?
Dr. Joseph K. Koo's NPI number is 1457350985. It was assigned on July 18, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Joseph K. Koo?
Dr. Joseph K. Koo is an infectious disease specialist in Honolulu, Hawaii. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Joseph K. Koo practice?
Dr. Koo practices at 347 North Kuakini Street, Honolulu, HI 96817. Dr. Koo's primary practice is Kuakini Medical Center in Honolulu, Hawaii, part of Kuakini Health System. Dmand AI also links Dr. Koo to 1 group practice or clinic, 1 skilled nursing facility and 1 medical group.
What is Dr. Joseph K. Koo's office phone number?
The practice phone on file for Dr. Koo is (808) 536-2236.
What is Dr. Joseph K. Koo's medical license number?
Dr. Koo holds Hawaii license MD-6718.
Which hospitals is Dr. Joseph K. Koo affiliated with?
Dr. Koo practices at Kuakini Medical Center in Honolulu, Hawaii.
Does Dr. Joseph K. Koo accept Medicare?
Yes. CMS data shows Dr. Koo billed Medicare for 1,101 services in 2024.
How many Medicare patients does Dr. Joseph K. Koo see?
CMS counts 155 Medicare patients who saw Dr. Koo in 2024, with an average age of 74.
What services does Dr. Joseph K. Koo bill to Medicare?
In 2024, Dr. Koo's most billed Medicare services were hospital inpatient care (99232), office visit, established patient (99214) and hospital inpatient care (99222).
Where did Dr. Joseph K. Koo go to medical school?
Dr. Koo graduated from University of Hawaii John A. Burns School of Medicine in 1984.
What drugs does Dr. Joseph K. Koo prescribe most?
In 2024 Medicare Part D data, Dr. Koo's most prescribed drugs by claims were Azithromycin, Sulfamethoxazole-Trimethoprim and Cefdinir.
How long has Dr. Joseph K. Koo been practicing?
Dr. Koo graduated from medical school in 1984, 42 years ago.
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