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

KATHERINE WILLIAMS PA-C
NPI 1922795699
Physician Assistant in New York, NY

Q: What is Katherine Williams's NPI number?

The NPI number for Katherine Williams is 1922795699. It was assigned to this individual provider in the NPPES registry on April 21, 2023. The provider is also known as Katherine Taylor Williams.

Q: What is Katherine Williams's specialty?

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

Active since April 21, 2023PECOS EnrolledAccepts Medicare Assignment

161 FORT WASHINGTON AVE FL 11, NEW YORK, NY 10032(212) 305-0114 Get Directions Write a Review

NPPES record last updated: August 28, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Aug 28, 2026, May 9, 2026, May 15, 2024 and 1 more (4 updates tracked since 2023).

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About Katherine Williams Pa-c NPPES

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

KATHERINE WILLIAMS PA-C (NPI 1922795699) is an individual physician assistant in New York, New York, licensed in New York (035816) and active in the NPI registry since April 2023. She is enrolled in Medicare PECOS, is affiliated with Boston Medical Center, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1922795699

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameKATHERINE WILLIAMSCredential: PA-C

Location Address161 FORT WASHINGTON AVE FL 11New York, NY 10032-3729

Mailing Address960 Massachusetts Avenue, Fl 2Boston, MA 02118-2690

Phone(212) 305-0114

Sole ProprietorNo

Medical School CMSOtherGraduated 2022

Enumeration DateApril 21, 2023

Last NPPES UpdateAugust 28, 20264 updates tracked since enumeration

NPPES CertifiedAugust 28, 2026

✔ NPI 1922795699 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

License✔ Licensed in NY · 035816

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.

Also ListedPhysician Assistant · SurgicalTaxonomy 363AS0400X · License 9258 (MA)

161 FORT WASHINGTON AVE FL 11, New York, NY 10032

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Other Names 1

Other Name (5)Katherine Taylor Williams

Other Identifiers 2

Medicaid110199336AMA

Medicaid3141060NH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.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

Katherine 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 ID4587021803

PECOS Enrollment IDI20260609000328

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 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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

109 services82 patients

Electronic assessment of bladder emptying 51741

Electronic assessment of bladder emptying is a non-invasive test that measures how well your bladder functions. It uses ultrasound technology to create images of your bladder before and after you use the restroom, helping to identify any issues with bladder emptying.

27 services27 patients

Limited ultrasound scan of pelvis 76857

A limited ultrasound scan of the pelvis is a non-invasive imaging test. It uses high-frequency sound waves to create pictures of the lower abdomen area. This helps doctors view and assess the health of certain internal structures. It's painless and usually takes about 30 minutes.

22 services21 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

21 services21 patients

Hospital Affiliations CMS Care Compare

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

Boston Medical Center

Acute Care Hospitals · Boston, MA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220031

Location1 Boston Medical Center PlaceBoston, MA 02118 · Suffolk County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10032 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 17

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

DR. JOSEPH PAUL ALUKAL M.D.

Urology