Doctor profile · Federal record
Dr. Ryan Denhaese, M.D.
Neurological Surgery Physician (CMS: Neurosurgery) · Student in an Organized Health Care Education/Training Program · Williamsville, NY
- NPI 1356563381
- Accepts Medicare
- 25 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
19 Limestone Dr, Suite 11
Williamsville, NY 142217091
(716) 634-3500
fax (716) 634-3525
Credentials & registration
- NPI registered
- May 2007 — 19 yrs on file
- Profile last updated
- February 11, 2014
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207T00000X — NUCC code
- State license (1)
- New York #243525-1
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1356563381. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
78
Distinct HCPCS
3
Medicare allowed
$9,685
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 38 | 31 | $121 | |
20931 |
Graft of donor bone to spine | 22 | 17 | $103 | |
20937 |
Harvest of bone fragment for spine bone graft | 18 | 17 | $157 |
In context: peer comparison
Among 4 peers in Williamsville Neurological Surgery Physician, average services per provider: 23. This provider delivers 3.4× the peer median.Open Payments
Industry payments received
All-time total
$229,228
Transactions
52
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Zavation Medical Products, LLC | 46 | $193,745.39 | |
| Stryker Corporation | 4 | $21,151.13 | |
| Centinel Spine, LLC | 2 | $14,331.00 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Ryan Denhaese's medical specialty?
Dr. Ryan Denhaese practices Neurological Surgery Physician in Williamsville, NY.
Where does Dr. Ryan Denhaese practice?
Dr. Ryan Denhaese practices at 19 Limestone Dr, Williamsville, NY 142217091. Office phone: 7166343500.
What is Dr. Ryan Denhaese's NPI?
Dr. Ryan Denhaese's National Provider Identifier (NPI) is 1356563381, issued by NPPES.
Does Dr. Ryan Denhaese accept Medicare assignment?
Yes. Dr. Ryan Denhaese accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ryan Denhaese commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Graft of donor bone to spine (HCPCS 20931); Harvest of bone fragment for spine bone graft (HCPCS 20937). Source: CMS Medicare Physician & Other Practitioners file.