Physician Profile
Unclaimed ProfileAbout KO
Stephen Ko, MD practices radiation oncology in Jacksonville, FL. Stephen is a 1999 graduate of University of Texas at Austin Dell Medical School. According to Medicare claims data, Stephen cared for 509 Medicare patients across 915 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (904) 953-2000
- Email not available
Practice Locations
4500 SAN PABLO RD S
Jacksonville, FL 32224
Procedures Most Often Billed to Medicare
915 services · 509 patients · 11 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Calculation of radiation therapy dose | Imaging | 77300 |
211 |
| Radiation treatment management, 5 treatment sessions | Imaging | 77427 |
183 |
| Design and construction of complex radiation treatment device | Imaging | 77334 |
94 |
| Complex radiation therapy planning | Imaging | 77263 |
69 |
| High precision radiation therapy planning | Imaging | 77301 |
49 |
| Design and construction of radiation treatment device for high precision radiation therapy | Imaging | 77338 |
48 |
| Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved | Imaging | 77290 |
19 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
145 |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
62 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
24 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other radiation oncology specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 18 related providers in 4 groups
Other radiation oncology specialists in Jacksonville 8
Same specialty, same city.
Trained at University of Texas at Austin Dell Medical School 1
Other providers in the same specialty who trained at the same institution.
Class of 1999 at University of Texas at Austin Dell Medical School 1
Providers who graduated from the same medical school in the same year.
Also performs Calculation of radiation therapy dose 8
Providers in FL who bill this service to Medicare most often.
Common questions
What does Dr. Ko specialize in?
Dr. Ko is a radiation oncology in Jacksonville, FL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “RADIATION ONCOLOGY”.
NPI registry
Where is Dr. Ko located?
Dr. Ko is listed at 4500 SAN PABLO RD S, Jacksonville, FL 32224. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Ko's phone number?
The number on file is (904) 953-2000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Ko's NPI number?
Dr. Ko's National Provider Identifier is 1134183304. 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. Ko go to medical school?
Dr. Ko attended University of Texas at Austin Dell Medical School, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Ko been practicing?
Dr. Ko has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Ko do most often?
According to Medicare billing data, Dr. Ko performs imaging including calculation of radiation therapy dose and radiation treatment management, 5 treatment sessions, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Ko confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ko. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.