Doctor profile · Federal record

Dr. Karen Warren, NP

Adult Health Nurse Practitioner (CMS: Nurse Practitioner) · Gerontology Nurse Practitioner · Vancouver, WA

  • NPI 1538578067
  • Accepts Medicare
  • 13 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
400 Ne Mother Joseph Pl
Vancouver, WA 986643200
(360) 514-1778
fax (360) 696-5038
Additional location
727 S Wahanna RD Ste 100
Seaside, OR 971387735
(503) 717-7000
Mailing address
Po Box 3397
Portland, OR 972083397

Credentials & registration

NPPES · NUCC
NPI registered
August 2014 — 12 yrs on file
Profile last updated
July 5, 2022
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
363LA2200X — NUCC code
State licenses (2)
Oregon #201403977NP-PP · Oregon #201403977
Medicaid
OR #500675467

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538578067. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
210
Distinct HCPCS
4
Medicare allowed
$14,460
HCPCS Description Services Patients Avg allowed
G0316 Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th 111 42 $26
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 52 51 $148
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 24 18 $101
99497 Advance care planning, first 30 minutes 23 21 $64

In context: peer comparison

Among 6 peers in Vancouver Adult Health Nurse Practitioner, average services per provider: 70. This provider delivers 3.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Warren's medical specialty?
Dr. Karen Warren practices Adult Health Nurse Practitioner in Vancouver, WA.
Where does Dr. Karen Warren practice?
Dr. Karen Warren practices at 400 Ne Mother Joseph Pl, Vancouver, WA 986643200. Office phone: 3605141778.
What is Dr. Karen Warren's NPI?
Dr. Karen Warren's National Provider Identifier (NPI) is 1538578067, issued by NPPES.
Does Dr. Karen Warren accept Medicare assignment?
Yes. Dr. Karen Warren accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Warren commonly perform?
Top Medicare-reported procedures in 2023: Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th (HCPCS G0316); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.