Gregory T. Tymchak
Diagnostic Radiology Physician · Williamsville, NY
Gregory T. Tymchak is a diagnostic radiology physician with a practice address in Williamsville, New York, and NPI 1710961149, issued on Nov 30, 2005. Check the license (New York 203797, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Gregory T. Tymchak
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 203797 NY
Self-reported in NPPES; status is on the state search - Practice location
- 100 College Pkwy, Williamsville, NY 14221
- Phone
- (716) 636-1902
- Enumerated
- Nov 30, 2005
- Record last updated
- Sep 25, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20040421001448); accepts Medicare assignment
- Medical or professional school
- University Of Pittsburgh School Of Medicine, 1988
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 3,146 in New York → Look up another NPI →
Also registered at 100 College Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Walter Brown, PTPhysical Therapist1013944529
- Steven ChristensenDiagnostic Radiology Physician1811971971
- Corine Cicchetti, MDPhysical Medicine & Rehabilitation Physician1639339716
- Michael Cicchetti, MDPhysical Medicine & Rehabilitation Physician1164644183
Verify Gregory T. Tymchak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 203797Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 85.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $137.46
1 payment: food and beverage; the largest payer was Philips North America LLC. The 8,048 providers of this specialty with any payment received $2,488.38 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Dent Neurologic Group LLPAmherst, NY
- University AT Buffalo Neurosurgery IncAmherst, NY
- Western New York Mri LLPBuffalo, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory T. Tymchak among 3,146 diagnostic radiology physician records in New York
Gregory T. Tymchak is one of 3,146 diagnostic radiology physician records with a practice address in New York. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1988 · median 2002 among the 2,169 with a school on file
- Record last updated2012 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
77 diagnostic radiology physician records list a practice address in Williamsville
They are 77 of the 3,530 NPPES records with a practice address in Williamsville, and 3,146 diagnostic radiology physician records in New York.
All 3,146 in New York → Every provider in Williamsville → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Phillip Baum, MDWilliamsville, NY 142211023016060
- Steven ChristensenWilliamsville, NY 142211811971971
- Anne Ehrlich, MDWilliamsville, NY 142211134103294
- Hari Gopal, M.D.Williamsville, NY 142211336138502
- Carol Jackson-Gibson, MDWilliamsville, NY 142211164421442
- Daniel Jacobson, M.D.Williamsville, NY 142211710956859
- Peter Loud, MDWilliamsville, NY 142211811987944
- Jan Najdzionek, MDWilliamsville, NY 142211497739833
Common questions
What is Gregory T. Tymchak's NPI number?
Gregory T. Tymchak's National Provider Identifier (NPI) is 1710961149, issued on Nov 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory T. Tymchak located?
The NPPES record lists a practice address at 100 College Pkwy, Williamsville, NY, 14221. Phone: (716) 636-1902. Providers update this record themselves, so call before visiting.
How can I verify Gregory T. Tymchak's license?
NPPES lists New York license number 203797, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Gregory T. Tymchak's MIPS final score?
The 2023 MIPS final score is 85.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.