Doctor profile · Federal record

Dr. Carmen Ernst, NP

Adult Health Nurse Practitioner (CMS: Nurse Practitioner) · Sunnyvale, CA

  • NPI 1679292015
  • Accepts Medicare
  • 4 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
301 Old San Francisco RD
Sunnyvale, CA 940866386
(408) 524-4116
Mailing address
325 Distel Cir
Los Altos, CA 940221408

Credentials & registration

NPPES · NUCC
NPI registered
August 2022 — 4 yrs on file
Profile last updated
May 9, 2023
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
363LA2200X — NUCC code
State license (1)
California #95022371

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679292015. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$122
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Novo Nordisk Inc 1 $121.83

By nature of payment

Food and Beverage
$122

Frequently asked questions

Auto-generated from federal data
What is Dr. Carmen Ernst's medical specialty?
Dr. Carmen Ernst practices Adult Health Nurse Practitioner in Sunnyvale, CA.
Where does Dr. Carmen Ernst practice?
Dr. Carmen Ernst practices at 301 Old San Francisco RD, Sunnyvale, CA 940866386. Office phone: 4085244116.
What is Dr. Carmen Ernst's NPI?
Dr. Carmen Ernst's National Provider Identifier (NPI) is 1679292015, issued by NPPES.
Does Dr. Carmen Ernst accept Medicare assignment?
Yes. Dr. Carmen Ernst accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.