Doctor profile · Federal record

Dr. Katherine Clarke, CRNP

Nurse Practitioner · San Francisco, CA

  • NPI 1659071801
  • Accepts Medicare
  • 4 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2 W Portal Ave
San Francisco, CA 941271304
(888) 663-6331
fax (415) 252-7176
Mailing address
1 Embarcadero Ctr Ste 1900
San Francisco, CA 941113723

Credentials & registration

NPPES · NUCC
NPI registered
March 2023 — 3 yrs on file
Profile last updated
July 16, 2025
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
California #95033930

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659071801. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$22
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Novo Nordisk Inc 1 $21.72

By nature of payment

Food and Beverage
$22

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
507
Patients
387
Total drug cost
$6,097
Drug Type Claims Patients Total cost
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 92 83 $605
Methylprednisolone Generic 56 52 $613
Fluticasone Propionate Generic 50 30 $416
Doxycycline Hyclate Generic 49 43 $535
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 41 33 $1,653
Atorvastatin Calcium Generic 29 15 $483
Levothyroxine Sodium Generic 24 14 $624
Amlodipine Besylate Generic 23 0 $137
Triamcinolone Acetonide Generic 23 22 $130
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 22 20 $264

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine Clarke's medical specialty?
Dr. Katherine Clarke practices Nurse Practitioner in San Francisco, CA.
Where does Dr. Katherine Clarke practice?
Dr. Katherine Clarke practices at 2 W Portal Ave, San Francisco, CA 941271304. Office phone: 8886636331.
What is Dr. Katherine Clarke's NPI?
Dr. Katherine Clarke's National Provider Identifier (NPI) is 1659071801, issued by NPPES.
Does Dr. Katherine Clarke accept Medicare assignment?
Yes. Dr. Katherine Clarke accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.