Dr. Jahoon J. Koo, MD
- Medicare services, 2024
- 53
- Medicare patients, 2024
- 72
- Part D claims, 2018
- 23
- Hospital affiliations
- 2
- Industry payments
- $764
- Practice address
- One Medical Plaza, Roseville, CA 95661
- Practice phone
- Call (916) 781-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Koo'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. Jahoon J. Koo is a general surgeon in Roseville, California
Dr. Koo practices at Sutter Roseville Medical Center in Roseville, California, part of Sutter Health.
Dr. Koo's NPI, 1871912519, was assigned on April 9, 2014. Dr. Koo graduated from University Of Minnesota Medical School in 2014. Dr. Koo's California license number on file is A140169.
- NPI
- 1871912519NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2365875937
- NPI enumeration date
- April 9, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (916) 781-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jahoon J. Koo practices at 2 locations in Roseville, California
Dr. Koo's primary practice is Sutter Roseville Medical Center, at One Medical Plaza, Roseville, CA 95661 in Placer County. The practice phone is (916) 781-1000. Dr. Koo also practices at Sutter Roseville Medical Center, 1 Medical Plz, Roseville, CA 95661.
- Sutter Roseville Medical CenterPrimaryOne Medical Plaza, Roseville, CA 95661 · Placer CountyPhone(916) 781-1000
- Sutter Roseville Medical Center1 Medical Plz, Roseville, CA 95661 · Placer CountyPhone(800) 353-3369
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Jahoon J. Koo is affiliated with 2 sites of care and 3 medical groups
Dr. Koo's primary practice is Sutter Roseville Medical Center in Roseville, California, part of Sutter Health. Dr. Koo is also affiliated with Memorial Medical Center. The medical group on file is SGMF Radiology. Dmand AI also links Dr. Koo to 2 more medical groups, 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. Jahoon J. Koo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Koo practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sutter Roseville Medical Center | Available with a free account |
| +1 more site and 2 medical groups | 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 Sutter Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Jahoon J. Koo is one of 2,926 general surgeons in California
Surgery is Dr. Koo's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Koo is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Koo's licenses on file in 2 states: California and Michigan.
Specialties and state licenses
- Surgery, CaliforniaPrimary
- Michigan license
Clinical focus
Dmand AI lists abdominal adhesion surgery, amputation, appendectomy, chest trauma, colon removal, gallbladder removal, multiple traumatic injuries and non-surgical back problems among the conditions Dr. Koo treats.
General surgeons near Dr. Koo
Counts of general surgeons 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. Jahoon J. Koo billed Medicare for 53 services in 2024
CMS data shows 53 Medicare services from Dr. Koo across 2 procedure codes in 2024, for 72 Medicare patients. Medicare paid $5,750 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Koo's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1472024: 5364%
Dr. Koo compared with the California median for general surgeons, 2024
- Dr. Koo
- California median
- Medicare services
- 53vs 16668% below
- Medicare patients
- 72vs 12140% below
- Part D claims
- 23vs 3432% below
Medians across 2,606 general surgeons in California 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.
Need commercial claims for Dr. Koo?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Koo and other general surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jahoon J. Koo treated 72 Medicare patients in 2024, average age 74
CMS counts 72 Medicare patients who saw Dr. Koo in 2024. The largest group is 65 to 74, with 31 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 44% are also on Medicaid. Their average risk score is 2.32, 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 57, with 48% women.
Dr. Koo's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Koo's Medicare patients by sex, 2024
- Women4258%
- Men3042%
Chronic conditions among Dr. Koo's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes56%
- Arthritis49%
- Atrial fibrillation49%
- Chronic kidney disease47%
- Heart failure43%
- Ischemic heart disease42%
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 57
Patient panel by sex, all payers
- Women48%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jahoon J. Koo wrote 23 Medicare Part D claims in 2018
In 2018, Dr. Koo wrote 23 Medicare Part D claims. They cover 1 drug, with $120 in total drug cost.
Dr. Koo's most prescribed drugs by claims, 2018
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Jahoon J. Koo takes part in Medicare
Dr. Koo accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Jahoon J. Koo received $764 in industry payments in 2021
CMS Open Payments shows 7 general payments to Dr. Koo from 1 drug or device company in 2021. Travel and lodging make up the largest share, 76% of the total. Zimmer Biomet Holdings, Inc. paid the most, $764.
General payments to Dr. Koo by kind, 2021 to 2021
- Travel and lodging$58276%
- Food and beverage$18224%
Companies that paid Dr. Koo the most, 2021 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jahoon J. Koo graduated from University Of Minnesota Medical School
Dr. Koo graduated from University Of Minnesota Medical School in 2014.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Jahoon J. Koo accepts plans from 12 insurance carriers
Dr. Koo is in network with 12 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Alliant Health Plans
- +4 more carriersWith a free account
Plan types Dr. Koo accepts, by number of carriers
- PPO9
- Medicare7
- HMO5
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Jahoon J. 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 | 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 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Jahoon J. 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. Jahoon J. Koo's NPI number?
Dr. Jahoon J. Koo's NPI number is 1871912519. It was assigned on April 9, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Jahoon J. Koo?
Dr. Jahoon J. Koo is a general surgeon in Roseville, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Jahoon J. Koo practice?
Dr. Koo practices at One Medical Plaza, Roseville, CA 95661. Dr. Koo also practices at 1 Medical Plz, Roseville, CA 95661. Dr. Koo's primary practice is Sutter Roseville Medical Center in Roseville, California, part of Sutter Health. Dmand AI also links Dr. Koo to 2 medical groups.
What is Dr. Jahoon J. Koo's office phone number?
The practice phone on file for Dr. Koo is (916) 781-1000.
What is Dr. Jahoon J. Koo's medical license number?
Dr. Koo's California license number on file is A140169, one of the licenses on file in 2 states.
Which states has Dr. Jahoon J. Koo been licensed in?
Dmand AI has state licenses on file for Dr. Koo in California (2016 to 2025) and Michigan (2019 to 2022).
Which hospitals is Dr. Jahoon J. Koo affiliated with?
Dr. Koo practices at Sutter Roseville Medical Center in Roseville, California. Dr. Koo is also affiliated with Memorial Medical Center.
What medical group is Dr. Jahoon J. Koo part of?
Dr. Koo is linked to SGMF Radiology. Dmand AI links Dr. Koo to 2 more medical groups.
Does Dr. Jahoon J. Koo accept Medicare?
Yes. CMS data shows Dr. Koo billed Medicare for 53 services in 2024, and Dr. Koo accepts Medicare assignment.
How many Medicare patients does Dr. Jahoon J. Koo see?
CMS counts 72 Medicare patients who saw Dr. Koo in 2024, with an average age of 74.
Show 7 more questionsShow fewer questions
Is Dr. Jahoon J. Koo board certified?
Yes. Dr. Koo is board certified in surgery by the American Board of Surgery.
What services does Dr. Jahoon J. Koo bill to Medicare?
In 2024, Dr. Koo's most billed Medicare services were hospital inpatient care (99223) and hospital inpatient care (99233).
Where did Dr. Jahoon J. Koo go to medical school?
Dr. Koo graduated from University Of Minnesota Medical School in 2014.
What drugs does Dr. Jahoon J. Koo prescribe most?
In 2018 Medicare Part D data, Dr. Koo's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Dr. Jahoon J. Koo received payments from drug or device companies?
CMS Open Payments shows $764 in general payments to Dr. Koo from 1 company from 2021 to 2021. The largest total came from Zimmer Biomet Holdings, Inc.
How long has Dr. Jahoon J. Koo been practicing?
Dr. Koo graduated from medical school in 2014, 12 years ago.
What insurance does Dr. Jahoon J. Koo accept?
Dr. Koo is in network with 12 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
Selling to surgery practices?
See general surgeons in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card