Lauren A. Siskar, FNP-BC
Nurse Practitioner · Williamsville, NY
Lauren A. Siskar, FNP-BC is a nurse practitioner with a practice address in Williamsville, New York, and NPI 1396343612, issued on Oct 9, 2020. Check the license (New York 1955258, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Lauren A. Siskar
- Credential
- FNP-BC
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- 1955258 NY
733754 NY
Self-reported in NPPES; status is on the state search - Practice location
- 705 Maple RD, Williamsville, NY 14221
- Phone
- (716) 710-8266
- Enumerated
- Oct 9, 2020
- Record last updated
- Jan 15, 2026
- Medicare enrollment
- Enrolled (PECOS I20240925002579); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,097 in New York → Look up another NPI →
Also registered at 705 Maple RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Julianna DesimoneFamily Nurse Practitioner1700711694
- Sarah EswarDiabetes Educator Registered Nurse1649645367
- Jorge Flores Lopez, M.D.Internal Medicine Physician1437507654
- Ashley KremerFamily Medicine Physician1548569031
- Zoe Kyriakopoulos, PA-CPhysician Assistant1417845082
- Allison Mazurek, PA-CSurgical Physician Assistant1174017594
Verify Lauren A. Siskar 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 1955258Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average nurse practitioner in 2024
269 Medicare Part D claims for 165 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Cephalexin73 claims
- Clindamycin Hcl27 claims
- Potassium Chloride27 claims
- Metoprolol Succinate23 claims
- Amiodarone Hcl21 claims
- Eliquis17 claims
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.
Industry payments in 2024: $113.17
2 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 38,884 providers of this specialty with any payment received $791.64 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 one group practice
- General Physician PCWilliamsville, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lauren A. Siskar among 3,097 nurse practitioner records in New York
Lauren A. Siskar, FNP-BC is one of 3,097 nurse practitioner records with a practice address in New York. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 72% of them.
- NPI issued2020 · 72% of these records are older, 23% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileYes · 44% of these records are
- Graduated2022 · median 2017 among the 1,360 with a school on file
- Record last updated2026 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
36 nurse practitioner records list a practice address in Williamsville
They are 36 of the 3,530 NPPES records with a practice address in Williamsville, and 3,097 nurse practitioner records in New York.
All 3,097 in New York → Every provider in Williamsville → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Kathleen Barone, FNPWilliamsville, NY 142211053327247
- Paula Brudo Jurek, NPWilliamsville, NY 142211376502609
- Andrea Campagna, N.P.Williamsville, NY 142211740238245
- James Conley, NPWilliamsville, NY 142211609849215
- Patricia Dauer, NPWilliamsville, NY 142211740240233
- Patricia Geiger, MSN ANPWilliamsville, NY 142211710960471
- Karen Glor, N.P.Williamsville, NY 142211952367419
- Lance Guyett, ACNPWilliamsville, NY 142211598748774
Common questions
What is Lauren A. Siskar, FNP-BC's NPI number?
Lauren A. Siskar, FNP-BC's National Provider Identifier (NPI) is 1396343612, issued on Oct 9, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Lauren A. Siskar, FNP-BC located?
The NPPES record lists a practice address at 705 Maple RD, Williamsville, NY, 14221. Phone: (716) 710-8266. Providers update this record themselves, so call before visiting.
How can I verify Lauren A. Siskar, FNP-BC's license?
NPPES lists New York license number 1955258, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Lauren A. Siskar, FNP-BC prescribe under Medicare Part D?
In 2024, Lauren A. Siskar, FNP-BC had 269 Medicare Part D claims for 165 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.