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MRS. CLAIRE ELIZABETH WITTLINGER FNP
NPI 1124762661
Nurse Practitioner in Depew, NY

Active since April 21, 2022PECOS EnrolledAccepts Medicare Assignment
6199 TRANSIT RD, DEPEW, NY 14043(716) 891-1631(716) 961-4490 Get Directions Write a Review

NPPES record last updated: September 5, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 5, 2025, Apr 21, 2022 (2 updates tracked since 2022).

About Mrs. Claire Elizabeth Wittlinger Fnp NPPES

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

MRS. CLAIRE ELIZABETH WITTLINGER FNP (NPI 1124762661) is an individual nurse practitioner in Depew, New York, licensed in New York (347290) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS, is affiliated with Sisters Of Charity Hospital, and maintains a secondary practice location in Huntersville.

NPPES Registry Identity

NPI1124762661
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMRS. CLAIRE ELIZABETH WITTLINGERCredential: FNP
Location Address6199 TRANSIT RDDepew, NY 14043-1024
Mailing Address144 Genesee St Fl 3Buffalo, NY 14203-1560 · (716) 862-1000 · Fax (716) 601-3620
Phone(716) 891-1631
Fax(716) 961-4490
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateApril 21, 2022
Last NPPES UpdateSeptember 5, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 5, 2025
✔ NPI 1124762661 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 · 347290
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 · FamilyTaxonomy 363LF0000X · License 5016001 (NC)
6199 TRANSIT RD, Depew, NY 14043
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Secondary Practice Location 1

Location 110030 Gilead Rd Ste 350Huntersville, NC 28078-7545 · Phone (704) 292-6806 · Fax (704) 316-6631

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cigna Healthcare.Insurance ›

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

Mrs. Claire Elizabeth Wittlinger Fnp 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 ID9133507940
PECOS Enrollment IDI20250702001817
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

4

Medicare enrollment records show Claire Wittlinger reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sisters Of Charity Hospital Of Buffalo New York
4.3 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
Chs Neuroscience Group
7.9 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
Radiation Oncology Centers Of The Carolinas, Inc.
522 mi
Radiation Oncology
170 MEDICAL PARK RD, SUITE 100
Mooresville, NC 28117
  • Reassigned Medicare billing, North Carolina enrollment
  • 40 clinicians in this Medicare group
NPI 1023055365 (704) 235-2580
Southeast Radiation Oncology Group, P.A.
544 mi
Radiation Oncology
200 QUEENS RD, SUITE 400
Charlotte, NC 28204
  • Reassigned Medicare billing, North Carolina enrollment
  • 56 clinicians in this Medicare group
NPI 1568400109 (704) 333-7376

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

Hospital Affiliations CMS Care Compare 3

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

Sisters Of Charity Hospital

Acute Care Hospitals · Buffalo, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330078
Location2157 Main StreetBuffalo, NY 14214 · Erie County
Emergency services Birthing friendly

Kenmore Mercy Hospital

Acute Care Hospitals · Kenmore, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number330102
Location2950 Elmwood AvenueKenmore, NY 14217 · Erie County
Emergency services

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 14043 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 7

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

DIANE L. BRENNAN P.T.,S.C.S.
Physical Therapist
6199 TRANSIT RD
DEPEW, NY 14043
Erie County (716) 684-0649
STUART L. DORFMAN M.D.
Preventive Medicine (Occupational Medicine)
6199 TRANSIT RD
DEPEW, NY 14043
Erie County (716) 206-0390
DR. MATHEW TOUCHETTE DPT
Physical Therapist
6199 TRANSIT RD
DEPEW, NY 14043
Erie County (716) 684-0649
DR. ZEINAB S. FETOUH MD
Physical Medicine & Rehabilitation
6199 TRANSIT RD
DEPEW, NY 14043
Erie County (716) 206-0390
CHRISTINA SCHUNKE ANP-C
Nurse Practitioner (Adult Health)
6199 TRANSIT RD
DEPEW, NY 14043
Erie County (716) 891-1630
MISS MARY PATRICIA OBRIEN RPA-C
Physician Assistant
6199 TRANSIT RD
DEPEW, NY 14043
Erie County (716) 206-0390
JEFFERY CASTIGLIONE PT, DPT CSCS
Physical Therapist
6199 TRANSIT RD
DEPEW, NY 14043
Erie County (716) 984-0649

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 Claire Wittlinger's NPI number?

The NPI number for Claire Wittlinger is 1124762661. It was assigned to this individual provider in the NPPES registry on April 21, 2022.

Where is Claire Wittlinger located?

Claire Wittlinger practices at 6199 Transit Rd, Depew, NY 14043. The listed phone number is (716) 891-1631.

What is Claire Wittlinger's specialty?

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

Is Claire Wittlinger enrolled in Medicare?

Yes. Claire Wittlinger 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 Claire Wittlinger's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Claire Wittlinger reassigns Medicare benefits to 4 organizations: Sisters Of Charity Hospital Of Buffalo New York (Cheektowaga, NY), Chs Neuroscience Group (Buffalo, NY), Radiation Oncology Centers Of The Carolinas, Inc. (Mooresville, NC) and Southeast Radiation Oncology Group, P.A. (Charlotte, NC). 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 Claire Wittlinger's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Claire Wittlinger accept?

Health plans from Cigna Healthcare list Claire Wittlinger as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Claire Wittlinger affiliated with any hospitals?

According to CMS data, Claire Wittlinger is affiliated with Sisters Of Charity Hospital, Kenmore Mercy Hospital and Mercy Hospital Of Buffalo.

When was this NPI record last updated?

The NPPES record for Claire Wittlinger was last updated on September 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.