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MARYCATHERINE AUNGST FNP
NPI 1881188639
Nurse Practitioner in Buffalo, NY

Active since June 15, 2018PECOS Enrolled
ELM AND CARLTON STREETS, BUFFALO, NY 14263(716) 845-2300 Get Directions Write a Review

NPPES record last updated: December 16, 2020. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Dec 16, 2020, Jul 29, 2019, Jun 15, 2018 (3 updates tracked since 2018).

About Marycatherine Aungst Fnp NPPES

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

MARYCATHERINE AUNGST FNP (NPI 1881188639) is an individual nurse practitioner in Buffalo, New York, licensed in New York (343086) and active in the NPI registry since June 2018. She is enrolled in Medicare PECOS and maintains a secondary practice location in Williamsville.

NPPES Registry Identity

NPI1881188639
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMARYCATHERINE AUNGSTCredential: FNP
Location AddressELM AND CARLTON STREETSBuffalo, NY 14263
Mailing AddressElm And Carlton StBuffalo, NY 14263-0001 · (716) 845-2300
Phone(716) 845-2300
Sole ProprietorNo
Enumeration DateJune 15, 2018
Last NPPES UpdateDecember 16, 20203 updates tracked since enumeration
NPPES CertifiedDecember 16, 2020
✔ NPI 1881188639 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in NY · 343086
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 ListedRegistered NurseTaxonomy 163W00000X · License 703972 (NY)
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 343086 (NY)
ELM AND CARLTON STREETS, Buffalo, NY 14263
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Secondary Practice Location 1

Location 11360 N Forest RdWilliamsville, NY 14221-1200 · Phone (716) 932-6423 · Fax (716) 639-1954

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marycatherine Aungst 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 Reassignment

Medicare enrollment records show Marycatherine Aungst reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University At Buffalo Pediatric Associates Inc
9.2 mi
Pediatrics
1001 MAIN ST FL 4
Buffalo, NY 14203
  • Reassigned Medicare billing, New York enrollment
  • 217 clinicians in this Medicare group
NPI 1912928599 (716) 323-0225

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 14263 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 20

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

MUSA SAEED M.D.
Internal Medicine
ELM AND CARLTON STREETS
BUFFALO, NY 14263
Erie County (716) 845-2300
JESSICA LYNN HAFEZI
Nurse Practitioner
ELM AND CARLTON STREETS
BUFFALO, NY 14263
Erie County (716) 845-2300
DR. ZHONGBO YANG M.D.
Pathology (Clinical Pathology/Laboratory Medicine)
ELM AND CARLTON STREETS
BUFFALO, NY 14263
Erie County (716) 845-2300
DR. VLADIMIR FRIAS D.D.S
Dentist (Prosthodontics)
ELM AND CARLTON STREETS
BUFFA;P, NY 14263
Erie County (716) 845-2300
NOELLE DICKEY NP
Nurse Practitioner
ELM AND CARLTON STREETS
BUFFALO, NY 14263
Erie County (716) 845-2300
MS. MICHELE NANNI PA
Physician Assistant
ELM AND CARLTON STREETS
BUFFALO, NY 14263
Erie County (716) 845-2300
MR. NATHAN A LARICCIA PA-C
Physician Assistant (Medical)
ELM AND CARLTON STREETS
BUFFALO, NY 14263
Erie County (716) 845-2300
JOHN M KANE III MD
Surgery (Surgical Oncology)
ELM AND CARLTON STREETS
BUFFALO, NY 14263
Erie County (716) 845-2300

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 Marycatherine Aungst's NPI number?

The NPI number for Marycatherine Aungst is 1881188639. It was assigned to this individual provider in the NPPES registry on June 15, 2018.

Where is Marycatherine Aungst located?

Marycatherine Aungst practices at Elm And Carlton Streets, Buffalo, NY 14263. The listed phone number is (716) 845-2300.

What is Marycatherine Aungst's specialty?

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

Is Marycatherine Aungst enrolled in Medicare?

Yes. Marycatherine Aungst is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Marycatherine Aungst's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marycatherine Aungst reassigns Medicare benefits to University At Buffalo Pediatric Associates Inc (Buffalo, NY). The 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 Marycatherine Aungst'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 Marycatherine Aungst was last updated on December 16, 2020. 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.