Doctor profile · Federal record

Dr. Dianna Marrero, FNP-C

Family Nurse Practitioner (CMS: Nurse Practitioner) · Walla Walla, WA

  • NPI 1790547693
  • Accepts Medicare
  • 3 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1111 S 2Nd Ave
Walla Walla, WA 993624118
(509) 897-3700
fax (509) 897-8589

Credentials & registration

NPPES · NUCC
NPI registered
January 2024 — 2 yrs on file
Profile last updated
December 9, 2024
Year of graduation
2023 — 3 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Washington #AP61521106

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790547693. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$125
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 1 $124.98

By nature of payment

Food and Beverage
$125

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Dianna Marrero's medical specialty?
Dr. Dianna Marrero practices Family Nurse Practitioner in Walla Walla, WA.
Where does Dr. Dianna Marrero practice?
Dr. Dianna Marrero practices at 1111 S 2Nd Ave, Walla Walla, WA 993624118. Office phone: 5098973700.
What is Dr. Dianna Marrero's NPI?
Dr. Dianna Marrero's National Provider Identifier (NPI) is 1790547693, issued by NPPES.
Does Dr. Dianna Marrero accept Medicare assignment?
Yes. Dr. Dianna Marrero accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.