Doctor profile · Federal record

Dr. Phyllis Cowan, DO

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Port Angeles, WA

  • NPI 1578978151
  • Accepts Medicare
  • 12 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
939 Caroline St
Port Angeles, WA 983623909
(360) 417-7724
fax (360) 452-5772
Mailing address
Po Box 850
Port Angeles, WA 983620146

Credentials & registration

NPPES · NUCC
NPI registered
June 2014 — 12 yrs on file
Profile last updated
August 24, 2022
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
Washington #OP60732394 · Arizona #009915

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578978151. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
171
Distinct HCPCS
4
Medicare allowed
$20,135
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 65 65 $119
99285 Emergency department visit with high level of medical decision making 60 60 $174
99283 Emergency department visit with low level of medical decision making 25 25 $71
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 21 20 $8

In context: peer comparison

Among 4 peers in this city , average services per provider: 81. This provider delivers 2.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
53
Patients
53
Total drug cost
$448
Drug Type Claims Patients Total cost
Ondansetron Odt (Ondansetron) Brand 19 19 $243
Cephalexin Generic 18 18 $163
Prednisone Generic 16 16 $41

Frequently asked questions

Auto-generated from federal data
What is Dr. Phyllis Cowan's medical specialty?
Dr. Phyllis Cowan practices Emergency Medicine Physician in Port Angeles, WA.
Where does Dr. Phyllis Cowan practice?
Dr. Phyllis Cowan practices at 939 Caroline St, Port Angeles, WA 983623909. Office phone: 3604177724.
What is Dr. Phyllis Cowan's NPI?
Dr. Phyllis Cowan's National Provider Identifier (NPI) is 1578978151, issued by NPPES.
Does Dr. Phyllis Cowan accept Medicare assignment?
Yes. Dr. Phyllis Cowan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Phyllis Cowan commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.