Gretchen Elgersma, PA - Medicare Physician Assistant in Williamsville, NY

Gretchen Elgersma, PA is a medicare enrolled "Physician Assistant" in Williamsville, New York. She graduated from nursing school in 1999 and has 27 years of diverse experience with area of expertise as Physician Assistant. She is a member of the group practice Western New York Immediate Medical Care Llc and her current practice location is 1540 Maple Rd, Emergency Room, Williamsville, New York. You can reach out to her office (for appointments etc.) via phone at (716) 691-8838.

Gretchen Elgersma is licensed to practice in New York (license number 008115) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1457380826.

Contact Information

Gretchen Elgersma, PA
1540 Maple Rd, Emergency Room,
Williamsville, NY 14221-3647
(716) 691-8838
(716) 564-1134

Map and Direction




Provider's Profile

Full NameGretchen Elgersma
GenderFemale
SpecialityPhysician Assistant
Experience27 Years
Location1540 Maple Rd, Williamsville, New York
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Gretchen Elgersma graduated from nursing school in 1999
  NPI Data:
  • NPI Number: 1457380826
  • Provider Enumeration Date: 06/30/2006
  • Last Update Date: 05/20/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 2264470491
  • Enrollment ID: I20050601000614

Medical Identifiers

Medical identifiers for Gretchen Elgersma such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1457380826NPI-NPPES
000570318006OtherNYBLUE CROSS BLUE SHIELD
9512202OtherNYINDEPENDENT HEALTH
050301000000OtherNYFIDELIS
02166489MedicaidNY
P00234866OtherNYRAILROAD MEDICARE
OOO26514301OtherNYUNIVERA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363A00000XPhysician Assistant 008115 (New York)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Western New York Immediate Medical Care Llc953710528320

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Gretchen Elgersma is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Gretchen Elgersma, PA
305 Cayuga Rd, Suite 190,
Cheektowaga, NY 14225-1980

Ph: (716) 691-8838
Gretchen Elgersma, PA
1540 Maple Rd, Emergency Room,
Williamsville, NY 14221-3647

Ph: (716) 691-8838

Reviews and Comments


Physician Assistant Nurses in Williamsville, NY

Jacqueline Piazza, PA-C
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Phone: 716-631-8212    
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Practice Location: 1150 Youngs Rd Ste 104, Williamsville, NY 14221
Phone: 716-636-7979    Fax: 716-929-0192
Michelle Patel, PA-C
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Practice Location: 30 N Union Rd, Williamsville, NY 14221
Phone: 716-839-3855    
Sara Fritsch, PA
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Practice Location: 55 Spindrift Dr, Williamsville, NY 14221
Phone: 716-626-6300    
Courtney Hannon, PA-C
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Medicare: Accepting Medicare Assignments
Practice Location: 36 N Union Rd, Williamsville, NY 14221
Phone: 716-710-7807    Fax: 716-710-7808
Leah Maynard, PA-C
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Medicare: Accepting Medicare Assignments
Practice Location: 5530 Sheridan Dr Ste 2, Williamsville, NY 14221
Phone: 716-565-1978    
Prashula Ellsworth, PHYSICIAN ASSISTANT
Physician Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 6333 Main St, Suite 2, Williamsville, NY 14221
Phone: 716-630-1164    Fax: 716-630-2608

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.