MS. CATHERINE ELIZABETH WILLIAMS PA-C
NPI 1114281839
Physician Assistant in New York, NY

Active since June 27, 2012PECOS EnrolledAccepts Medicare Assignment
535 E 70TH ST, NEW YORK, NY 10021(910) 990-6863 Get Directions Write a Review

NPPES record last updated: October 2, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Oct 2, 2023, Apr 14, 2021, Jul 22, 2019 (3 updates tracked since 2019).

About Ms. Catherine Elizabeth Williams Pa-c NPPES

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

MS. CATHERINE ELIZABETH WILLIAMS PA-C (NPI 1114281839) is an individual physician assistant in New York, New York, licensed in California (61983) and active in the NPI registry since June 2012. She is enrolled in Medicare PECOS and is a graduate of Other (2012).

NPPES Registry Identity

NPI1114281839
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMS. CATHERINE ELIZABETH WILLIAMSCredential: PA-C
Location Address535 E 70TH STNew York, NY 10021-4823
Mailing Address535 E 70th StNew York, NY 10021-4823 · (910) 990-6863
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateJune 27, 2012
Last NPPES UpdateOctober 2, 20233 updates tracked since enumeration
NPPES CertifiedOctober 2, 2023
NPI 1114281839 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 CA · 61983 Licensed in NC · 0010-03612
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.
535 E 70TH ST, New York, NY 10021

Other Identifiers 1

Medicaid8102642NC

Accepted Insurance

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

Ms. Catherine Elizabeth Williams Pa-c 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 ID8820245806
PECOS Enrollment IDI20231013002343
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 10021 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
$102.04 typical visit price
range $65.69 – $198.19
Typical copayment $25.51 (range $16.42 – $49.54)
Most-billed visit code 99203
Established Patient
$81.44 typical visit price
range $21.20 – $160.66
Typical copayment $20.36 (range $5.30 – $40.16)
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 20

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

Physician Assistant (Surgical)
535 E 70TH ST
NEW YORK, NY 10021
Anesthesiology
535 E 70TH ST
NEW YORK, NY 10021
Specialist/Technologist (Athletic Trainer)
535 E 70TH ST
NEW YORK, NY 10021
Speech-Language Pathologist
535 E 70TH ST
NEW YORK, NY 10021
Anesthesiology
535 E 70TH ST
NEW YORK, NY 10021
Physical Therapist
535 E 70TH ST
NEW YORK, NY 10021
Orthopaedic Surgery (Pediatric Orthopaedic Surgery)
535 E 70TH ST
NEW YORK, NY 10021
Physician Assistant
535 E 70TH ST
NEW YORK, NY 10021

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 Williams's NPI number?

The NPI number for Catherine Williams is 1114281839. It was assigned to this individual provider in the NPPES registry on June 27, 2012.

Where is Catherine Williams located?

Catherine Williams practices at 535 E 70th St, New York, NY 10021. The listed phone number is (910) 990-6863.

What is Catherine Williams's specialty?

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

Is Catherine Williams enrolled in Medicare?

Yes. Catherine Williams 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.

What insurance does Catherine Williams accept?

Health plans from Blue Cross and Blue Shield of NC list Catherine Williams 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.

When was this NPI record last updated?

The NPPES record for Catherine Williams was last updated on October 2, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.