MARGARET A DESMARAIS FNP
NPI 1164478574
Nurse Practitioner - Family in Niagara Falls, NY

Q: What is Margaret Desmarais's NPI number?

The NPI number for Margaret Desmarais is 1164478574. It was assigned to this individual provider in the NPPES registry on May 26, 2006.

Q: What is Margaret Desmarais's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Active since May 26, 2006PECOS Enrolled

3117 MILITARY RD, NIAGARA FALLS, NY 14304(716) 257-1254(716) 215-6170 Get Directions Write a Review

NPPES record last updated: October 6, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 6, 2022, Apr 17, 2019 (2 updates tracked since 2019).

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About Margaret A Desmarais Fnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARGARET A DESMARAIS FNP (NPI 1164478574) is an individual family provider in Niagara Falls, New York, licensed in New York (F333602) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1164478574

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameMARGARET A DESMARAISCredential: FNP

Location Address3117 MILITARY RDNiagara Falls, NY 14304-4813

Mailing Address3117 Military RdNiagara Falls, NY 14304-4813 · (716) 257-1254 · Fax (716) 215-6170

Phone(716) 257-1254

Fax(716) 215-6170

Sole ProprietorNo

Enumeration DateMay 26, 2006

Last NPPES UpdateOctober 6, 20222 updates tracked since enumeration

NPPES CertifiedOctober 6, 2022

✔ NPI 1164478574 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in NY · F333602

3117 MILITARY RD, Niagara Falls, NY 14304

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Other Identifiers 1

Medicaid02225354NY

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Margaret A Desmarais Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Margaret Desmarais reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Som Medical Practice PLLC

Same address

Family Medicine

3117 MILITARY RD STE 1
Niagara Falls, NY 14304

Reassigned Medicare billing, New York enrollment
14 clinicians in this Medicare group

NPI 1720598501 (716) 257-1254

Niagara Falls Memorial Medical Center

3.3 mi

General Acute Care Hospital

621 10TH ST
Niagara Falls, NY 14302

Reassigned Medicare billing, New York enrollment
156 clinicians in this Medicare group

NPI 1285717298 (716) 278-4000

Sisters Of Charity Hospital Of Buffalo New York

15 mi

Obstetrics & Gynecology

2157 MAIN ST
Buffalo, NY 14214

Reassigned Medicare billing, New York enrollment
515 clinicians in this Medicare group

NPI 1568090660 (716) 862-1000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

18 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 14304 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$84.93 typical visit price

range $54.87 – $166.88

Typical copayment $21.23 (range $13.71 – $41.72)

Most-billed visit code 99203

Established Patient

$97.08 typical visit price

range $17.54 – $136.14

Typical copayment $24.27 (range $4.38 – $34.03)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Standard wheelchair K0001

DME-Wheelchairs · category DD000N

1 supplier17 claims17 services$14.97 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PRASHANT SHARMA

Physician Assistant