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Edit this profileRyan P. Denhaese, M.D. is a healthcare provider in Williamsville, NY specializing in neurological surgery. Ryan trained at State University of New York at Buffalo School of Medicine, graduating in 2001. Ryan is also listed as specializing in student in an organized health care education program. Medicare claims data shows Ryan provided 95 services to 82 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, graft of donor bone to spine, and harvest of bone fragment for spine bone graft. This provider record is associated with NPI 1356563381.
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.
19 LIMESTONE DR SUITE 11
Williamsville, NY 14221
Within Neurological Surgery generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Brain & spine conditions
Brain conditions
Brain disorders
Brain injury
Brain tumors
Movement disorders
Nerve disorders
Pain
Pediatric conditions
Spine & back
Spine conditions
Spine deformity
Trauma & injury
Most searched procedures
Brain & spine surgery
Brain procedures
Brain surgery
Cranial reconstruction
Diagnostic & therapeutic
Endovascular procedures
Functional neurosurgery
Monitoring & trauma
Nerve procedures
Nerve surgery
Pain procedures
Pediatric neurosurgery
Radiation & radiosurgery
Radiation surgery
Skull base surgery
Spasticity treatment
Spine procedures
Spine surgery
Vascular neurosurgery
95 services · 82 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Graft of donor bone to spine | Procedure | 20931 |
25 | More often than most peers in Neurological Surgery |
| Harvest of bone fragment for spine bone graft | Procedure | 20937 |
17 | Less often than most peers in Neurological Surgery |
| Fusion of spine in lower back | Procedure | 22612 |
13 | Less often than most peers in Neurological Surgery |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
40 | As often as other peers in Neurological Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Ryan P. Denhaese is a neurosurgeon in Williamsville, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Neurological Surgery”.
NPI registry
Ryan P. Denhaese is listed at 19 Limestone Dr Suite 11, Williamsville, NY 14221. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (716) 634-3500. Contact the office directly to confirm availability and scheduling.
NPI registry
Ryan P. Denhaese's National Provider Identifier is 1356563381. 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
Ryan P. Denhaese attended State University of New York at Buffalo School of Medicine, graduating in 2001. This comes from the CMS National Downloadable File.
CMS public data
Ryan P. Denhaese has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Ryan P. Denhaese performs procedures including graft of donor bone to spine, harvest of bone fragment for spine bone graft and fusion of spine in lower back, 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 Ryan P. Denhaese. If this is you, claiming it is free.
Guide.md
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