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MRS. COURTNEY LIEBOWITZ PA-C
NPI 1013454099
Physician Assistant in Old Greenwich, CT

Active since January 27, 2017PECOS Enrolled
8 W END AVE, OLD GREENWICH, CT 06870(203) 637-3212 Get Directions Write a Review

NPPES record last updated: March 17, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 17, 2026, Jun 21, 2023, Aug 16, 2019 and 2 more (5 updates tracked since 2017).

About Mrs. Courtney Liebowitz Pa-c NPPES

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

MRS. COURTNEY LIEBOWITZ PA-C (NPI 1013454099) is an individual physician assistant in Old Greenwich, Connecticut, licensed in New York (23 020581) and active in the NPI registry since January 2017. She is enrolled in Medicare PECOS and is a graduate of Hofstra North Shore - Lij School Of Medicine (2016).

NPPES Registry Identity

NPI1013454099
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMRS. COURTNEY LIEBOWITZCredential: PA-C
Location Address8 W END AVEOld Greenwich, CT 06870-1642
Mailing Address8 W End AveOld Greenwich, CT 06870-1642 · (203) 637-3212
Phone(203) 637-3212
Sole ProprietorNo
Medical School CMSHofstra North Shore - Lij School Of MedicineGraduated 2016
Enumeration DateJanuary 27, 2017
Last NPPES UpdateMarch 17, 20265 updates tracked since enumeration
NPPES CertifiedMarch 17, 2026
✔ NPI 1013454099 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Licenses✔ Licensed in NY · 23 020581✔ Licensed in CT · 5044
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
8 W END AVE, Old Greenwich, CT 06870
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Other Names 1

Former Name (1)Courtney Pilnick Pa-c

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Courtney Liebowitz Pa-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6204104565
PECOS Enrollment IDI20260402000805
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06870 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
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$75.55 typical visit price
range $19.76 – $149.26
Typical copayment $18.88 (range $4.94 – $37.31)
Most-billed visit code 99213
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 19

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

THERESE ANN BERNSTEIN APRN
Nurse Practitioner (Pediatrics)
8 W END AVE
OLD GREENWICH, CT 06870
Western Connecticut Planning Region (203) 637-3212
DR. MELANIE SHARON KELTON M.D.
Internal Medicine
8 W END AVE
OLD GREENWICH, CT 06870
Western Connecticut Planning Region (203) 637-5400
JENNIFER SARAH MILLMAN MD
Pediatrics
8 W END AVE
OLD GREENWICH, CT 06870
Western Connecticut Planning Region (203) 637-3212
DR. BURTON RICHARD RUBIN M.D.
Internal Medicine
8 W END AVE
OLD GREENWICH, CT 06870
Western Connecticut Planning Region (203) 637-5406
DR. REBECCA LIPTON WARKOL MD
Internal Medicine
8 W END AVE
OLD GREENWICH, CT 06870
Western Connecticut Planning Region (203) 637-5406
AMY KAPPELMAN M.D.
Pediatrics
8 W END AVE, GREENWICH PEDIATRIC ASSOCIATES
OLD GREENWICH, CT 06870
Western Connecticut Planning Region (203) 637-3212
FREDERICK E. SIEFERT, MD, PC
Internal Medicine
8 W END AVE
OLD GREENWICH, CT 06870
Western Connecticut Planning Region (203) 637-5406
REBECCA WARKOL MD LLC
Internal Medicine
8 W END AVE
OLD GREENWICH, CT 06870
Western Connecticut Planning Region (203) 637-5406

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 Courtney Liebowitz's NPI number?

The NPI number for Courtney Liebowitz is 1013454099. It was assigned to this individual provider in the NPPES registry on January 27, 2017. The provider is also known as Courtney Pilnick Pa-C.

Where is Courtney Liebowitz located?

Courtney Liebowitz practices at 8 W End Ave, Old Greenwich, CT 06870. The listed phone number is (203) 637-3212.

What is Courtney Liebowitz's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Courtney Liebowitz enrolled in Medicare?

Yes. Courtney Liebowitz is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Courtney Liebowitz was last updated on March 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.