Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. CATHERINE LYNN LY MD
NPI 1750791406
Surgery - Plastic and Reconstructive Surgery in New York, NY

Active since May 03, 2014PECOS Enrolled
100/100
CMS Quality Rating
161 FORT WASHINGTON AVE, NEW YORK, NY 10032(212) 305-1888(212) 305-9626 Get Directions Write a Review

NPPES record last updated: August 9, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 9, 2026, Mar 14, 2023, Jun 20, 2018 (3 updates tracked since 2018).

About Dr. Catherine Lynn Ly Md NPPES

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

DR. CATHERINE LYNN LY MD (NPI 1750791406) is an individual plastic and reconstructive surgery provider in New York, New York, licensed in New York (283859) and active in the NPI registry since May 2014. She is enrolled in Medicare PECOS, is affiliated with New York-presbyterian Hospital, and maintains a secondary practice location in Bronxville.

NPPES Registry Identity

NPI1750791406
Entity TypeIndividualFemale
Primary Taxonomy2086S0122X
Provider Legal NameDR. CATHERINE LYNN LYCredential: MD
Location Address161 FORT WASHINGTON AVENew York, NY 10032-3729
Mailing Address161 Fort Washington Ave Ste 511New York, NY 10032-3729 · (212) 305-1888 · Fax (212) 305-9626
Fax(212) 305-9626
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateMay 3, 2014
Last NPPES UpdateAugust 9, 20263 updates tracked since enumeration
NPPES CertifiedAugust 9, 2026
NPI 1750791406 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySurgery · Plastic and Reconstructive SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code2086S0122X
License Licensed in NY · 283859
Definition
A surgeon who specializes in plastic and reconstructive surgery.
161 FORT WASHINGTON AVE, New York, NY 10032

Secondary Practice Location 1

Location 11 Pondfield RdBronxville, NY 10708-3706 · Phone (212) 305-1888 · Fax (212) 305-9626

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Catherine Lynn Ly Md 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 ID5597013748
PECOS Enrollment IDI20230602001814
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.

Areas of Expertise CMS Part B claims

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.

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
15 services15 patients

Hospital Affiliations CMS Care Compare

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

New York-Presbyterian Hospital

Acute Care Hospitals · New York, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330101
Location525 East 68th StreetNew York, NY 10065 · New York County
Emergency services Birthing friendly

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.8
Promoting Interoperability100
Improvement Activities40

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.

Nurse Practitioner (Pediatrics)
161 FORT WASHINGTON AVE, 7TH FLOOR
NEW YORK, NY 10032
Nurse Practitioner (Family)
161 FORT WASHINGTON AVE, ROOM 661
NEW YORK, NY 10032
Student in an Organized Health Care Education/Training Program
161 FORT WASHINGTON AVE
NEW YORK, NY 10032
Physician Assistant
161 FORT WASHINGTON AVE
NEW YORK, NY 10032
Internal Medicine (Interventional Cardiology)
161 FORT WASHINGTON AVE
NEW YORK, NY 10032
Nurse Practitioner (Adult Health)
161 FORT WASHINGTON AVE, HERBERT IRVING PAVILION ROOM # 903
NEW YORK, NY 10032
Internal Medicine (Gastroenterology)
161 FORT WASHINGTON AVE
NEW YORK, NY 10032
Urology
161 FORT WASHINGTON AVE, 11TH FLOOR
NEW YORK, NY 10032

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 Catherine Ly's NPI number?

The NPI number for Catherine Ly is 1750791406. It was assigned to this individual provider in the NPPES registry on May 3, 2014.

Where is Catherine Ly located?

Catherine Ly practices at 161 Fort Washington Ave, New York, NY 10032. The listed phone number is (212) 305-1888.

What is Catherine Ly's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Plastic and Reconstructive Surgery, with taxonomy code 2086S0122X.

Is Catherine Ly enrolled in Medicare?

Yes. Catherine Ly 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.

Is Catherine Ly affiliated with any hospitals?

According to CMS data, Catherine Ly is affiliated with New York-Presbyterian Hospital.

When was this NPI record last updated?

The NPPES record for Catherine Ly was last updated on August 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 days 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.