Doctor profile · Federal record

Dr. Vanessa Knowles, NP-C

Family Nurse Practitioner (CMS: Nurse Practitioner) · Norfolk, VA

  • NPI 1811438781
  • Accepts Medicare
  • MIPS 93.2 / 100 · 2023
  • 10 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
600 Gresham Dr
Norfolk, VA 235071904
(757) 388-3934

Credentials & registration

NPPES · NUCC
NPI registered
March 2017 — 9 yrs on file
Profile last updated
December 29, 2023
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Virginia #0024174576

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811438781. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$242
Transactions
8
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Actelion Pharmaceuticals US, INC. 1 $98.99
Merck Sharp & Dohme LLC 4 $81.57
United Therapeutics Corporation 2 $44.96
Bayer Healthcare Pharmaceuticals INC. 1 $16.51

By nature of payment

Food and Beverage
$143
Education
$99

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,148
Patients
252
Total drug cost
$4,284,428
Drug Type Claims Patients Total cost
Potassium Chloride Generic 135 37 $4,004
Spironolactone Generic 123 38 $1,551
Furosemide Generic 122 46 $1,122
Sildenafil Citrate Generic 99 28 $42,857
Omeprazole Generic 94 30 $1,841
Opsumit (Macitentan) Brand 94 11 $1,189,052
Bumetanide Generic 67 23 $2,824
Uptravi (Selexipag) Brand 61 0 $1,368,308
Eliquis (Apixaban) Brand 57 0 $31,148
Tyvaso Dpi (Treprostinil) Brand 57 0 $1,364,658

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Vanessa Knowles's medical specialty?
Dr. Vanessa Knowles practices Family Nurse Practitioner in Norfolk, VA.
Where does Dr. Vanessa Knowles practice?
Dr. Vanessa Knowles practices at 600 Gresham Dr, Norfolk, VA 235071904. Office phone: 7573883934.
What is Dr. Vanessa Knowles's NPI?
Dr. Vanessa Knowles's National Provider Identifier (NPI) is 1811438781, issued by NPPES.
Does Dr. Vanessa Knowles accept Medicare assignment?
Yes. Dr. Vanessa Knowles accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.