Ann F Lillis, ANP - Medicare Nurse Practitioner in Williamsville, NY

Ann F Lillis, ANP is a medicare enrolled "Nurse Practitioner - Adult Health" in Williamsville, New York. She graduated from nursing school in 1994 and has 30 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Gastroenterology Associates Llp and her current practice location is 60 Maple Rd, Ste 1, Williamsville, New York. You can reach out to her office (for appointments etc.) via phone at (716) 626-5250.

Ann F Lillis is licensed to practice in New York (license number F301173) 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 1609852607.

Contact Information

Ann F Lillis, ANP
60 Maple Rd, Ste 1,
Williamsville, NY 14221-2917
(716) 626-5250
(716) 332-2218

Map and Direction




Provider's Profile

Full NameAnn F Lillis
GenderFemale
SpecialityNurse Practitioner
Experience30 Years
Location60 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:
  • Ann F Lillis graduated from nursing school in 1994
  NPI Data:
  • NPI Number: 1609852607
  • Provider Enumeration Date: 12/21/2005
  • Last Update Date: 12/06/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 0446143424
  • Enrollment ID: I20040204000279

Medical Identifiers

Medical identifiers for Ann F Lillis such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1609852607NPI-NPPES
00027009201OtherNYUNIVERA
9512113OtherNYINDEPENDENT HEALTH
000560817002OtherNYBLUE CROSS OF WNY
02502481MedicaidNY

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LA2200XNurse Practitioner - Adult Health F301173 (New York)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Gastroenterology Associates Llp882004808526

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Ann F Lillis allows following entities to bill medicare on her behalf.
Entity NameGastroenterology Associates Llp
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1740259647
PECOS PAC ID: 8820048085
Enrollment ID: O20050125000952

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. Ann F Lillis 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
Ann F Lillis, ANP
60 Maple Rd, Ste 1,
Williamsville, NY 14221-2917

Ph: (716) 626-5250
Ann F Lillis, ANP
60 Maple Rd, Ste 1,
Williamsville, NY 14221-2917

Ph: (716) 626-5250

Reviews and Comments


Nurse Practitioner Nurses in Williamsville, NY

Mrs. Mariana Renee Rizzo, CNP
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 1835 Maple Rd, Williamsville, NY 14221
Phone: 716-631-8212    Fax: 716-631-8710
Christine Margaret Goedvolk, NP
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 8207 Main St Ste 5, Williamsville, NY 14221
Phone: 716-632-2000    Fax: 713-632-2162
Dr. Linda Kibot, RN, CNP
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 30 S Cayuga Rd, Williamsville, NY 14221
Phone: 716-632-1088    Fax: 716-632-7842
Kara Johnson, AGNP-BC
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 400 International Dr, Williamsville, NY 14221
Phone: 716-631-3555    Fax: 716-631-9525
Beverly Ann Shipe, N.P.
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 37 Park Lane Court, Williamsville, NY 14221
Phone: 716-632-3455    
Mrs. Terra Galvano, DNP
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 295 Essjay Rd, Williamsville, NY 14221
Phone: 716-630-1000    
Ms. Kathleen Marie Barone, FNP
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 1150 Youngs Rd Ste 104, Williamsville, NY 14221
Phone: 716-636-7990    Fax: 716-636-7990

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.