Physician Profile
Leo B. Semkiw, M.D.
Unclaimed ProfileAbout Dr. Semkiw
Listed in the NPI registry as a specialist, Leo B. Semkiw, M.D. practices in San Jose, CA. According to Medicare claims data, Leo cared for 1,031 Medicare patients across 12,281 services. The services billed most often include injection, methylprednisolone acetate, 1 mg, hyaluronan or derivative, hymovis, for intra-articular injection, 1 mg, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (408) 371-5300
- Email not available
Practice Locations
2430 SAMARITAN DR
San Jose, CA 95124
Procedures Most Often Billed to Medicare
12,281 services · 1,031 patients · 16 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
267 | More often than most peers in Specialist |
| Replacement of knee joint, both sides of knee | Procedure | 27447 |
25 | As often as other peers in Specialist |
| Aspiration and/or injection of fluid large joint using ultrasound guidance | Procedure | 20611 |
22 | Less often than most peers in Specialist |
| X-ray of knee, 4 or more views | Imaging | 73564 |
255 | More often than most peers in Specialist |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
48 | As often as other peers in Specialist |
| X-ray of hip, 2-3 views | Imaging | 73502 |
29 | Less often than most peers in Specialist |
| X-ray of ankle, minimum of 3 views | Imaging | 73610 |
22 | Less often than most peers in Specialist |
| X-ray of both hips, 2 views | Imaging | 73521 |
11 | Too few peers to compare |
| X-ray of elbow, minimum of 3 views | Imaging | 73080 |
11 | Less often than most peers in Specialist |
| Injection, methylprednisolone acetate, 1 mg | Drug given | J1010 |
9,530 | More often than most peers in Specialist |
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 specialists at this location 1
Same specialty, same street address — most likely the same department or group.
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 specialists in San Jose 8
Same specialty, same city.
More connections — 8 related providers in 1 group
Also performs Aspiration and/or injection of fluid from large joint 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Leo B. Semkiw's specialty?
Leo B. Semkiw is a specialist in San Jose, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Leo B. Semkiw?
Leo B. Semkiw is listed at 2430 Samaritan Dr, San Jose, CA 95124. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Leo B. Semkiw?
The number on file is (408) 371-5300. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Leo B. Semkiw's NPI number?
Leo B. Semkiw's National Provider Identifier is 1215949110. 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
How long has Leo B. Semkiw been practicing?
Leo B. Semkiw has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What is Leo B. Semkiw known for?
According to Medicare billing data, Leo B. Semkiw performs procedures including aspiration and/or injection of fluid from large joint, replacement of knee joint, both sides of knee and aspiration and/or injection of fluid large joint using ultrasound guidance; reads or performs imaging such as x-ray of knee, 4 or more views and x-ray of shoulder, minimum of 2 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Leo B. Semkiw confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Leo B. Semkiw. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.