Provider Profile
Listed in the NPI registry as a physician assistant, Abigail J. Williams, PA-C practices in Saint Peters, MO. According to Medicare claims data, Abigail cared for 116 Medicare patients across 1,835 services. The services billed most often include injection, methylprednisolone acetate, 1 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.
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.
112 PIPER HILL DR STE 9
Saint Peters, MO 63376
11844 Smoke Valley Ct
Maryland Heights, MO 63043
1,835 services · 116 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
38 | As often as other peers in Physician Assistant |
| X-ray of knee, 4 or more views | Imaging | 73564 |
11 | Less often than most peers in Physician Assistant |
| Injection, methylprednisolone acetate, 1 mg | Drug given | J1010 |
1,721 | As often as other peers in Physician Assistant |
| Injection, methylprednisolone acetate, 40 mg | Drug given | J1030 |
24 | As often as other 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 |
41 | As often as other peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Abigail J. Williams is a physician assistant in Saint Peters, MO. That is the designation recorded for this NPI in the federal registry.
NPI registry
Abigail J. Williams is listed at 112 Piper Hill Dr Ste 9, Saint Peters, MO 63376. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (636) 229-4239. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Abigail J. Williams's National Provider Identifier is 1942838420. 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
Abigail J. Williams attended Other, graduating in 2020. This comes from the CMS National Downloadable File.
CMS public data
Abigail J. Williams has 6 years experience. Calculated from a graduation year of 2020, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Abigail J. Williams performs procedures including aspiration and/or injection of fluid from large joint; reads or performs imaging such as x-ray of knee, 4 or more views, 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 Abigail J. Williams. 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.