Physician Profile
Unclaimed ProfileAbout KO
William M Ko, MD practises interventional pain management in Fullerton, CA. William is a 2000 graduate of University of Southern California Keck School of Medicine. William is also listed as specialising in anesthesiology and anesthesiology — pain medicine. According to Medicare claims data, William cared for 603 Medicare patients across 3,437 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
Common questions
What kind of doctor is Dr. Ko?
Dr. Ko is an interventional pain management in Fullerton, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERVENTIONAL PAIN MANAGEMENT”.
NPI registry
What is Dr. Ko's address?
Dr. Ko is listed at 100 E VALENCIA MESA DR SUITE 310, Fullerton, CA 92835. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Ko?
The number on file is (714) 446-5200. 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 1629011762. 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 train?
Dr. Ko attended University of Southern California Keck School of Medicine, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Ko been practising?
Dr. Ko has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Ko perform?
According to Medicare billing data, Dr. Ko performs procedures including injection of substance into lower spine canal using imaging guidance, injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level and injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level, 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.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (714) 446-5200
- Email not available
Practice Locations
100 E VALENCIA MESA DR SUITE 310
Fullerton, CA 92835
Procedures Most Often Billed to Medicare
3,437 services · 603 patients · 13 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Injection of substance into lower spine canal using imaging guidance | Procedure | 62323 |
120 |
| Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level | Procedure | 64483 |
50 |
| Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level | Procedure | 64484 |
48 |
| Injection of substance into middle or upper spine canal using imaging guidance | Procedure | 62321 |
35 |
| Injection of anesthetic or steroid into joint between lower spine and hip bone using imaging guidance | Procedure | 27096 |
27 |
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
23 |
| Injection of lower or sacral spine facet joint using imaging guidance, second level | Procedure | 64494 |
19 |
| Injection of lower or sacral spine facet joint using imaging guidance, single level | Procedure | 64493 |
19 |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
2,640 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
283 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
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.
Other interventional pain managements in Fullerton 3
Same specialty, same city.
Trained at University of Southern California Keck School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2000 at University of Southern California Keck School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of substance into lower spine canal using imaging guidance 8
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.