Gregory Tymchak
NPI 1710961149 · Diagnostic Radiology Physician · Williamsville, NY
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Tymchak is a Diagnostic Radiology Physician provider in Williamsville, NY (NPI 1710961149).
Provider details
- NPI number
- 1710961149
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 203797 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
988 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| X-Ray of Entire Middle and Lower Spine, Minimum of 6 Views72084 | 183 | $91 |
| X-Ray of Lower and Sacral Spine, 2-3 Views72100 | 133 | $38 |
| Mri Scan of Lower Spinal Canal Without Contrast72148 | 130 | $183 |
| X-Ray of Lower and Sacral Spine, Minimum of 4 Views72110 | 100 | $48 |
| Mri Scan of Upper Spinal Canal Without Contrast72141 | 64 | $162 |
| X-Ray of Upper Spine, 2-3 Views72040 | 52 | $36 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$137 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-30
- Last updated
- 2012-09-25
Frequently asked questions
- What is Gregory Tymchak's NPI number?
- Gregory Tymchak's National Provider Identifier (NPI) is 1710961149, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Tymchak's specialty?
- Gregory Tymchak is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Tymchak located?
- Gregory Tymchak's practice location on file with NPPES is 100 College Pkwy, Williamsville, NY 14221-6800.
- What is Gregory Tymchak's phone number?
- The practice phone number listed in the NPPES registry for Gregory Tymchak is (716) 636-1902.
- Does Gregory Tymchak accept Medicare?
- Gregory Tymchak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Tymchak's NPI active?
- Yes — Gregory Tymchak's NPI (1710961149) is active in the NPPES registry as of the last update on 2012-09-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.