Provider Profile
Listed in the NPI registry as a physician assistant, Katelyn St Martin, PA-C practices in Crystal Lake, IL. Katelyn is also listed as specializing in physician assistant — surgical. According to Medicare claims data, Katelyn cared for 278 Medicare patients across 608 services. The services billed most often include injection, triamcinolone acetonide, not otherwise specified, 10 mg, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and aspiration and/or injection of fluid from large joint.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
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.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
420 N IL ROUTE 31
Crystal Lake, IL 60012
1111 E 87th St Ste 600
Chicago, IL 60619
8735 S Merrion Ln
Hometown, IL 60456
10370 Haligus Rd Ste 201
Huntley, IL 60142
608 services · 278 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
71 | As often as other peers in Physician Assistant |
| Replacement of knee joint, both sides of knee | Procedure | 27447 |
43 | More often than most peers in Physician Assistant |
| Replacement of thigh bone and hip joint with prosthesis | Procedure | 27130 |
21 | As often as other peers in Physician Assistant |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
320 | More often than most peers in Physician Assistant |
| Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose | Drug given | J7324 |
43 | Less often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
72 | As often as other peers in Physician Assistant |
| Telephone medical discussion with physician, 11-20 minutes | Office visit | 99442 |
38 | More often than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Katelyn St Martin is a physician assistant in Crystal Lake, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Katelyn St Martin is listed at 420 N Il Route 31, Crystal Lake, IL 60012. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (815) 356-5200. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Katelyn St Martin's National Provider Identifier is 1144703992. 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
Katelyn St Martin attended Other, graduating in 2018. This comes from the CMS National Downloadable File.
CMS public data
Katelyn St Martin has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Katelyn St Martin performs procedures including aspiration and/or injection of fluid from large joint, replacement of knee joint, both sides of knee and replacement of thigh bone and hip joint with prosthesis, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Katelyn St Martin. 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.