Are you Colleen W. Hammerstone, PA-C? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileColleen W. Hammerstone, PA-C is a physician assistant practicing in Allentown, PA. According to Medicare claims data, Colleen cared for 120 Medicare patients across 127 services. The services billed most often include replacement of knee joint, both sides of knee. This provider record is associated with NPI 1285038166.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1250 S CEDAR CREST BLVD STE 110
Allentown, PA 18103
11200 Governor Manly Way Ste 309
Raleigh, NC 27614
127 services · 120 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Replacement of knee joint, both sides of knee | Procedure | 27447 |
127 | More than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Colleen W. Hammerstone is a physician assistant in Allentown, PA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Colleen W. Hammerstone is listed at 1250 S Cedar Crest Blvd Ste 110, Allentown, PA 18103. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (610) 402-8900. Contact the office directly to confirm availability and scheduling.
NPI registry
Colleen W. Hammerstone's National Provider Identifier is 1285038166. 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
Colleen W. Hammerstone attended Other, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
Colleen W. Hammerstone has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Colleen W. Hammerstone performs procedures including replacement of knee joint, both sides of knee. 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 Colleen W. Hammerstone. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.
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