Dr. Sebastian Ko, MD
- Medicare services, 2024
- 34
- Medicare patients, 2024
- 44
- Part D claims, 2022
- 20
- Hospital affiliations
- 1
- Industry payments
- $17,124
- Practice address
- 795 El Camino Real, Palo Alto, CA 94301
- Practice phone
- Call (650) 324-1832
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Surgery Center Palo Alto
Surgery Center - Medicare-Certified · Palo Alto, California
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. Sebastian Ko is an orthopedic surgeon in Palo Alto, California
Dr. Ko practices at Surgery Center Palo Alto in Palo Alto, California.
Dr. Ko's NPI, 1902367642, was assigned on March 26, 2019. Dr. Ko graduated from Un of British Columbia, Faculty of Medicine in 2014. Dr. Ko holds California license C199717.
- NPI
- 1902367642NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0244568707
- NPI enumeration date
- March 26, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (650) 324-1832
- 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. Sebastian Ko practices at Surgery Center Palo Alto in Palo Alto, California
Dr. Ko's primary practice is Surgery Center Palo Alto, at 795 El Camino Real, Palo Alto, CA 94301. The practice phone is (650) 324-1832.
- Surgery Center Palo Alto795 El Camino Real, Palo Alto, CA 94301Phone(650) 324-1832
Source: Dmand AI Affiliation Data
Dr. Sebastian Ko is affiliated with 4 sites of care and 2 medical groups
Dr. Ko's primary practice is Surgery Center Palo Alto in Palo Alto, California. Dr. Ko is also affiliated with El Camino Health - Mountain View Hospital. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Dr. Ko to 2 more group practices and clinics 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. Sebastian Ko's practice
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 |
|---|---|
| Surgery Center Palo Alto | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sebastian Ko is one of 2,056 orthopedic surgeons in California
Orthopaedic surgery is Dr. Ko's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dmand AI has Dr. Ko's licenses on file in 2 states: California and Illinois.
Specialties and state licenses
- Orthopaedic surgery, CaliforniaPrimary
- Sports medicine (orthopaedic surgery), Illinois
Orthopedic surgeons near Dr. Ko
Counts of orthopedic 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. Sebastian Ko billed Medicare for 34 services in 2024
CMS data shows 34 Medicare services from Dr. Ko across 2 procedure codes in 2024, all of them office visits, for 44 Medicare patients. Medicare paid $2,203 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ko's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1362024: 3475%
Dr. Ko compared with the California median for orthopedic surgeons, 2024
- Dr. Ko
- California median
- Medicare services
- 34vs 68395% below
- Medicare patients
- 44vs 21580% below
- Part D claims
- 20vs 7071% below
Medians across 1,844 orthopedic surgeons in California with Dmand AI profiles that report each measure.
Dr. Ko'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sebastian Ko treated 44 Medicare patients in 2024, average age 76
CMS counts 44 Medicare patients who saw Dr. Ko in 2024. The largest group is 65 to 74, with 18 patients. 75% of them have arthritis, and 75% have high blood pressure. 55% are also on Medicaid. Their average risk score is 1.80, 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. Ko's median patient age at 51, with 51% women.
Dr. Ko's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ko's Medicare patients by sex, 2024
- Women2864%
- Men1636%
Chronic conditions among Dr. Ko's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Anxiety34%
- Diabetes34%
- Ischemic heart disease34%
- Mood disorders34%
- Depression32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ko's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 51
Patient panel by sex, all payers
- Women51%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sebastian Ko wrote 20 Medicare Part D claims in 2022
In 2022, Dr. Ko wrote 20 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $96 in total drug cost. In 2021, CMS named 63 claims across 4 drugs.
Dr. Ko's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 632022: 2068%
Drugs named by CMS: 1 in 2022, 4 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Sebastian Ko ranks in the 85th percentile for lower limb (leg) arthroscopy (minimally invasive joint repair) in Medicare
Dr. Ko accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ko as offering telehealth. CMS counts 13 procedures of lower limb (leg) arthroscopy (minimally invasive joint repair) by Dr. Ko, more than 85% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Ko ranks in Medicare procedure volume
- Lower limb (leg) arthroscopy (minimally invasive joint repair)
- 85th percentile13 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Upper limb (arm) arthroscopy (minimally invasive joint repair): 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)
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Dr. Sebastian Ko received $17,124 in industry payments from 2019 to 2025
CMS Open Payments shows 32 general payments to Dr. Ko from 12 drug and device companies from 2019 to 2025. Education make up the largest share, 88% of the total. Smith & Nephew, Inc. paid the most, $12,064.
General payments to Dr. Ko by program year, 2019 to 2025
General payments to Dr. Ko by kind, 2019 to 2025
- Education$15,08288%
- Travel and lodging$1,1537%
- Food and beverage$8905%
Companies that paid Dr. Ko the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Sebastian Ko graduated from Un of British Columbia, Faculty of Medicine
Dr. Ko graduated from Un of British Columbia, Faculty of Medicine in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Sebastian Ko'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) |
| 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 |
| 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. Sebastian Ko
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. Sebastian Ko's NPI number?
Dr. Sebastian Ko's NPI number is 1902367642. It was assigned on March 26, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Sebastian Ko?
Dr. Sebastian Ko is an orthopedic surgeon in Palo Alto, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Sebastian Ko practice?
Dr. Ko practices at 795 El Camino Real, Palo Alto, CA 94301. Dr. Ko's primary practice is Surgery Center Palo Alto in Palo Alto, California. Dmand AI also links Dr. Ko to 2 group practices and clinics and 1 medical group.
What is Dr. Sebastian Ko's office phone number?
The practice phone on file for Dr. Ko is (650) 324-1832.
What is Dr. Sebastian Ko's medical license number?
Dr. Ko holds California license C199717, one of the licenses on file in 2 states.
Which states has Dr. Sebastian Ko been licensed in?
Dmand AI has state licenses on file for Dr. Ko in California and Illinois.
Which hospitals is Dr. Sebastian Ko affiliated with?
Dr. Ko is affiliated with El Camino Health - Mountain View Hospital.
What medical group is Dr. Sebastian Ko part of?
Dr. Ko is linked to Palo Alto Foundation Medical Group. Dmand AI links Dr. Ko to 1 more medical group.
Does Dr. Sebastian Ko accept Medicare?
Yes. CMS data shows Dr. Ko billed Medicare for 34 services in 2024, and Dr. Ko accepts Medicare assignment.
Does Dr. Sebastian Ko offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Ko as offering telehealth services.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. Sebastian Ko see?
CMS counts 44 Medicare patients who saw Dr. Ko in 2024, with an average age of 76.
What services does Dr. Sebastian Ko bill to Medicare?
In 2024, Dr. Ko's most billed Medicare services were office visit, established patient (99214) and office visit, new patient (99204).
Where did Dr. Sebastian Ko go to medical school?
Dr. Ko graduated from Un of British Columbia, Faculty of Medicine in 2014.
What drugs does Dr. Sebastian Ko prescribe most?
In 2022 Medicare Part D data, Dr. Ko's most prescribed drugs by claims were Naproxen.
Has Dr. Sebastian Ko received payments from drug or device companies?
CMS Open Payments shows $17,124 in general payments to Dr. Ko from 12 companies from 2019 to 2025. The largest total came from Smith & Nephew, Inc.
How long has Dr. Sebastian Ko been practicing?
Dr. Ko graduated from medical school in 2014, 12 years ago.
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