Doctor profile · Federal record

Dr. Katherine Williams, PA-C

Physician Assistant · New York, NY

  • NPI 1578272134
  • 4 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1790 Broadway Ste 1802
New York, NY 100191471
(888) 663-6331
fax (415) 252-7176
Mailing address
1 Embarcadero Ctr Ste 1900
San Francisco, CA 941113723

Credentials & registration

NPPES · NUCC
NPI registered
November 2022 — 4 yrs on file
Profile last updated
September 15, 2025
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
New York #029102

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578272134. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$151
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Stryker Corporation 1 $137.89
Gilead Sciences, INC. 1 $13.56

By nature of payment

Food and Beverage
$151

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine Williams's medical specialty?
Dr. Katherine Williams practices Physician Assistant in New York, NY.
Where does Dr. Katherine Williams practice?
Dr. Katherine Williams practices at 1790 Broadway Ste 1802, New York, NY 100191471. Office phone: 8886636331.
What is Dr. Katherine Williams's NPI?
Dr. Katherine Williams's National Provider Identifier (NPI) is 1578272134, issued by NPPES.
Does Dr. Katherine Williams accept Medicare assignment?
Dr. Katherine Williams does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.