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MARY EUSTACE AGPCNP
NPI 1649622432
Nurse Practitioner in Lancaster, NY

Active since July 06, 2016PECOS EnrolledAccepts Medicare Assignment
3 SILENT MEADOW LN, LANCASTER, NY 14086(716) 934-4518(716) 934-7443 Get Directions Write a Review

NPPES record last updated: February 16, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 16, 2021, Sep 26, 2018, Jun 28, 2018 and 1 more (4 updates tracked since 2017).

About Mary Eustace Agpcnp NPPES

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

MARY EUSTACE AGPCNP (NPI 1649622432) is an individual nurse practitioner in Lancaster, New York, licensed in New York (F307759-1) and active in the NPI registry since July 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1649622432
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMARY EUSTACECredential: AGPCNP
Location Address3 SILENT MEADOW LNLancaster, NY 14086-3430
Mailing Address120 E 2nd St Fl 2Erie, PA 16507-1537 · (814) 456-8980 · Fax (814) 451-0443
Phone(716) 934-4518
Fax(716) 934-7443
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateJuly 6, 2016
Last NPPES UpdateFebruary 16, 20214 updates tracked since enumeration
NPPES CertifiedFebruary 16, 2021
✔ NPI 1649622432 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in NY · F307759-1
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedNurse Practitioner · Adult HealthTaxonomy 363LA2200X · License F307759-1 (NY)
3 SILENT MEADOW LN, Lancaster, NY 14086
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mary Eustace Agpcnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3779871975
PECOS Enrollment IDI20161004000262
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

5

Medicare enrollment records show Mary Eustace reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Buffalo Medical Group, P.C.
7.0 mi
Family Medicine
325 ESSJAY RD, 4TH FLOOR ADMIN
Williamsville, NY 14221
  • Reassigned Medicare billing, New York enrollment
  • 344 clinicians in this Medicare group
NPI 1881659506 (716) 630-2500
Sisters Of Charity Hospital Of Buffalo New York
7.5 mi
General Acute Care Hospital
2605 HARLEM RD
Cheektowaga, NY 14225
  • Reassigned Medicare billing, New York enrollment
  • 515 clinicians in this Medicare group
NPI 1043455199 (716) 891-2400
Buffalo Internist & Associates LLC
10 mi
Internal Medicine
462 GRIDER ST
Buffalo, NY 14215
  • Reassigned Medicare billing, New York enrollment
  • 36 clinicians in this Medicare group
NPI 1134381031 (716) 898-3000
Roswell Park Cancer Institute
12 mi
Multi-Specialty
ELM AND CARLTON ST
Buffalo, NY 14263
  • Reassigned Medicare billing, New York enrollment
  • 602 clinicians in this Medicare group
NPI 1720036593 (716) 845-2300
Great Lakes Physician Practice PC
64 mi
Internal Medicine
15 S MAIN ST
Jamestown, NY 14701
  • Reassigned Medicare billing, New York enrollment
  • 233 clinicians in this Medicare group
NPI 1730599176 (716) 488-1877

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 3

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 high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
45 services44 patients
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
34 services15 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
20 services20 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 14086 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.

Other Providers at the Same Location NPPES 3

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

MRS. KELLY O'SULLIVAN PA-C
Physician Assistant (Medical)
3 SILENT MEADOW LN, DEPT OF MEDICINE
LANCASTER, NY 14086
Erie County (716) 391-0937
MISS DEVON POWERS AGPCNP
Nurse Practitioner
3 SILENT MEADOW LN
LANCASTER, NY 14086
Erie County (716) 574-0476
MELISSA JOAN YOUNG FNP
Nurse Practitioner (Critical Care Medicine)
3 SILENT MEADOW LN
LANCASTER, NY 14086
Erie County (905) 734-6005

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary Eustace's NPI number?

The NPI number for Mary Eustace is 1649622432. It was assigned to this individual provider in the NPPES registry on July 6, 2016.

Where is Mary Eustace located?

Mary Eustace practices at 3 Silent Meadow Ln, Lancaster, NY 14086. The listed phone number is (716) 934-4518.

What is Mary Eustace's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Mary Eustace enrolled in Medicare?

Yes. Mary Eustace is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Mary Eustace's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Eustace reassigns Medicare benefits to 5 organizations: Buffalo Medical Group, P.C. (Williamsville, NY), Sisters Of Charity Hospital Of Buffalo New York (Cheektowaga, NY), Buffalo Internist & Associates LLC (Buffalo, NY), Roswell Park Cancer Institute (Buffalo, NY) and Great Lakes Physician Practice PC (Jamestown, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mary Eustace's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mary Eustace was last updated on February 16, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.