1. Home
  2. Directory
  3. New York
  4. Williamsville
  5. Nurse Practitioner
  6. NPI Profile

MARIA CHRISTINA BRETT ANP
NPI 1689948713
Nurse Practitioner - Adult Health in Williamsville, NY

Active since March 07, 2012PECOS EnrolledAccepts Medicare Assignment
100 COLLEGE PKWY STE 100, WILLIAMSVILLE, NY 14221(716) 626-0093(716) 626-0093 Get Directions Write a Review

NPPES record last updated: March 7, 2012. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Maria Christina Brett Anp NPPES

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

MARIA CHRISTINA BRETT ANP (NPI 1689948713) is an individual adult health provider in Williamsville, New York, licensed in New York (305974) and active in the NPI registry since March 2012. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Of Buffalo, and is a graduate of Other (2011).

NPPES Registry Identity

NPI1689948713
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameMARIA CHRISTINA BRETTCredential: ANP
Location Address100 COLLEGE PKWY STE 100Williamsville, NY 14221-6800
Mailing Address100 College Pkwy Ste 100Williamsville, NY 14221-6800 · (716) 626-0093 · Fax (716) 626-0093
Phone(716) 626-0093
Fax(716) 626-0093
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateMarch 7, 2012
✔ NPI 1689948713 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in NY · 305974
100 COLLEGE PKWY STE 100, Williamsville, NY 14221
Open in Google Maps ↗

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

Maria Christina Brett Anp 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 ID3870808017
PECOS Enrollment IDI20150817001501
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

8

Medicare enrollment records show Maria Brett reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Trinity Medical Wny PC
2.0 mi
Orthopaedic Surgery
192 PARK CLUB LANE, SUITE 100
Williamsville, NY 14221
  • Reassigned Medicare billing, New York enrollment
  • 332 clinicians in this Medicare group
NPI 1144878893 (716) 204-1101
Sisters Of Charity Hospital Of Buffalo New York
4.1 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
Kenmore Mercy Hospital
7.9 mi
General Acute Care Hospital
2950 ELMWOOD AVE
Kenmore, NY 14217
  • Reassigned Medicare billing, New York enrollment
  • 271 clinicians in this Medicare group
NPI 1770598104 (716) 447-6100
Chs Neuroscience Group
8.8 mi
Neurology
565 ABBOTT RD
Buffalo, NY 14220
  • Reassigned Medicare billing, New York enrollment
  • Medicare enrollment name: Mercy Hospital Of Buffalo
  • 499 clinicians in this Medicare group
NPI 1972883304 (716) 826-7000
Mount St. Mary's Hospital Of Niagara Falls
21 mi
General Acute Care Hospital
5300 MILITARY RD
Lewiston, NY 14092
  • Reassigned Medicare billing, New York enrollment
  • Medicare enrollment name: Mount St. Marys Hospital Of Niagara Falls
  • 289 clinicians in this Medicare group
NPI 1043394745 (716) 298-2081
Hospitalist Medicine Physicians Of New York, PLLC
291 mi
Emergency Medicine
2475 SAINT RAYMONDS AVE
Bronx, NY 10461
  • Reassigned Medicare billing, New York enrollment
  • 244 clinicians in this Medicare group
NPI 1205944329 (718) 920-8543
Brookview Medical Associates, PLLC
327 mi
General Practice
80 ORVILLE DR STE 100
Bohemia, NY 11716
  • Reassigned Medicare billing, New York enrollment
  • 754 clinicians in this Medicare group
NPI 1871965855 (972) 715-3800
Cogent Medical Care PC
332 mi
Internal Medicine
101 HOSPITAL RD
East Patchogue, NY 11772
  • Reassigned Medicare billing, New York enrollment
  • 640 clinicians in this Medicare group
NPI 1912941238 (631) 687-4131

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 4

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.

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.
53 services43 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
36 services25 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
28 services26 patients
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221
Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.
22 services21 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercy Hospital Of Buffalo

Acute Care Hospitals · Buffalo, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330279
Location565 Abbott RoadBuffalo, NY 14220 · Erie County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 14221 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.

Automatic external defibrillator, with integrated electrocardiogram analysis, garment type K0606
DME-Other DME · category DE013N
1 supplier12 claims12 services$2,440.11 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 8

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

KAITLYN KLOTZBACH DNP, FNP-BC
Nurse Practitioner (Family)
100 COLLEGE PKWY STE 100
WILLIAMSVILLE, NY 14221
Erie County (716) 626-0093
MARCIA N SHEA OTD, OTR
Occupational Therapist
100 COLLEGE PKWY STE 100
BUFFALO, NY 14221
Erie County (716) 871-9915
STEPHANIE LEIGH PAROBEK-BAKER PHYSICIAN ASSISTANT
Physician Assistant (Medical)
100 COLLEGE PKWY STE 100
WILLIAMSVILLE, NY 14221
Erie County (716) 626-0093
RENEW MEDICAL, PLLC
General Practice
100 COLLEGE PKWY STE 100
WILLIAMSVILLE, NY 14221
Erie County (716) 657-3639
EMILY PARKS SLP
Speech-Language Pathologist
100 COLLEGE PKWY STE 100
WILLIAMSVILLE, NY 14221
Erie County (716) 362-1552
ASHLEY HABERMEHL DPT
Physical Therapist
100 COLLEGE PKWY STE 100
WILLIAMSVILLE, NY 14221
Erie County (716) 362-1552
MARTINA DANIELLE WALDRIFF PA
Physician Assistant
100 COLLEGE PKWY STE 100
WILLIAMSVILLE, NY 14221
Erie County (716) 626-0093
NISHIKANT S HARVEY MD
Anesthesiology
100 COLLEGE PKWY STE 100
WILLIAMSVILLE, NY 14221
Erie County (716) 657-3639

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 Maria Brett's NPI number?

The NPI number for Maria Brett is 1689948713. It was assigned to this individual provider in the NPPES registry on March 7, 2012.

Where is Maria Brett located?

Maria Brett practices at 100 College Pkwy Ste 100, Williamsville, NY 14221. The listed phone number is (716) 626-0093.

What is Maria Brett's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Maria Brett enrolled in Medicare?

Yes. Maria Brett 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 Maria Brett's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maria Brett reassigns Medicare benefits to 8 organizations: Trinity Medical Wny PC (Williamsville, NY), Sisters Of Charity Hospital Of Buffalo New York (Cheektowaga, NY), Kenmore Mercy Hospital (Kenmore, NY), Chs Neuroscience Group (Buffalo, NY), Mount St. Mary's Hospital Of Niagara Falls (Lewiston, NY) and 3 more organizations, listed in the Medicare section above. 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 Maria Brett's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Maria Brett affiliated with any hospitals?

According to CMS data, Maria Brett is affiliated with Mercy Hospital Of Buffalo.

When was this NPI record last updated?

The NPPES record for Maria Brett was last updated on March 7, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.