Gregory A. Czajka, RPA C
Physician Assistant · Williamsville, NY
Gregory A. Czajka, RPA C is a physician assistant with a practice address in Williamsville, New York, and NPI 1740265537, issued on Dec 14, 2005. Check the license with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory A. Czajka
- Credential
- RPA C
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 180 Park Club LN, Williamsville, NY 14221
- Phone
- (716) 839-9402
- Enumerated
- Dec 14, 2005
- Record last updated
- Jan 18, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (716) 839-3570
- Medicaid ID
- 01412591 NY
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 15,555 in New York → Look up another NPI →
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A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gregory A. Czajka in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this professionCheck 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): 91.1 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: $598.91
5 payments; by number, the most common kind was food and beverage; the largest payer was Alexion Pharmaceuticals, Inc. The 64,719 providers of this specialty with any payment received $841.65 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.
Gregory A. Czajka among 15,555 physician assistant records in New York
Gregory A. Czajka, RPA C is one of 15,555 physician assistant records with a practice address in New York. 74% 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, 99% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 52% of these records are
- Record last updated2017 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
178 physician assistant records list a practice address in Williamsville
They are 178 of the 3,530 NPPES records with a practice address in Williamsville, and 15,555 physician assistant records in New York.
All 15,555 in New York → Every provider in Williamsville → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Tammy Ervolina-Kroll, RPA-CWilliamsville, NY 142211801852777
- Allison Fout, PAWilliamsville, NY 142211275501348
- Jill Hess, PAWilliamsville, NY 142211063471407
- Cara Innus, RPA-CWilliamsville, NY 142211538126388
- Jennifer Kielbasa, RPA CWilliamsville, NY 142211942283031
- Sherry Lyons, RPA-CWilliamsville, NY 142211134109903
- Robin Massing, RPA-CWilliamsville, NY 142211801869284
- Bettyjo McAuliffe, RPA CWilliamsville, NY 142211578546669
Common questions
What is Gregory A. Czajka, RPA C's NPI number?
Gregory A. Czajka, RPA C's National Provider Identifier (NPI) is 1740265537, issued on Dec 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory A. Czajka, RPA C located?
The NPPES record lists a practice address at 180 Park Club LN, Williamsville, NY, 14221. Phone: (716) 839-9402. Providers update this record themselves, so call before visiting.
How can I verify Gregory A. Czajka, RPA C's license?
Search the New York board that licenses this profession; the NPPES record confirms identity only.
What is Gregory A. Czajka, RPA C's MIPS final score?
The 2023 MIPS final score is 91.1 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.