Gretchen Elgersma, PA
Physician Assistant · Williamsville, NY
Gretchen Elgersma, PA is a physician assistant with a practice address in Williamsville, New York, and NPI 1457380826, issued on Jun 30, 2006. Check the license (New York 008115, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gretchen Elgersma
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 008115 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1540 Maple RD, Williamsville, NY 14221
- Phone
- (716) 691-8838
- Enumerated
- Jun 30, 2006
- Record last updated
- May 20, 2026
- Fax
- (716) 564-1134
- Medicaid ID
- 02166489 NY
- Medicare enrollment
- Enrolled (PECOS I20050601000614); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 15,555 in New York → Look up another NPI →
Also registered at 1540 Maple RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Andrew Bair, PAPhysician Assistant1720589872
- Nancy Barclay, NPNeonatal Nurse Practitioner1154398550
Verify Gretchen Elgersma in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 008115Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average physician assistant in 2024
18 Medicare Part D claims for 16 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Western New York Immediate Medical Care LLCBuffalo, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gretchen Elgersma among 15,555 physician assistant records in New York
Gretchen Elgersma, PA 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 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 87% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated1999 · median 2018 among the 8,158 with a school on file
- Record last updated2026 · 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
- Gregory Czajka, RPA CWilliamsville, NY 142211740265537
- 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
Common questions
What is Gretchen Elgersma, PA's NPI number?
Gretchen Elgersma, PA's National Provider Identifier (NPI) is 1457380826, issued on Jun 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gretchen Elgersma, PA located?
The NPPES record lists a practice address at 1540 Maple RD, Williamsville, NY, 14221. Phone: (716) 691-8838. Providers update this record themselves, so call before visiting.
How can I verify Gretchen Elgersma, PA's license?
NPPES lists New York license number 008115, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Gretchen Elgersma, PA prescribe under Medicare Part D?
In 2024, Gretchen Elgersma, PA had 18 Medicare Part D claims for 16 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
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.