Doctor profile · Federal record

Dr. William Agan

Physician Assistant · Covington, WA

  • NPI 1134308380
  • Accepts Medicare
  • 19 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
16850 Se 272Nd St
Covington, WA 980424931
(253) 395-1960
fax (253) 395-2013
Mailing address
18012 W Valley Hwy, # 101
Kent, WA 980322924

Credentials & registration

NPPES · NUCC
NPI registered
October 2007 — 19 yrs on file
Profile last updated
March 13, 2017
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Washington #TA10005277

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134308380. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
259
Distinct HCPCS
4
Medicare allowed
$24,355
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 158 143 $119
99213 Established patient office or other outpatient visit, 20-29 minutes 60 56 $83
81003 Automated urinalysis test 29 27 $2
69210 Removal of impacted ear wax 12 11 $45

In context: peer comparison

Among 4 peers in Covington Physician Assistant, average services per provider: 53. This provider delivers 4.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
362
Patients
318
Total drug cost
$5,657
Drug Type Claims Patients Total cost
Ipratropium Bromide Generic 85 63 $2,773
Azithromycin Generic 38 36 $189
Mupirocin Generic 34 32 $292
Amoxicillin Generic 32 31 $182
Tizanidine Hcl Generic 31 30 $126
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 30 28 $354
Cephalexin Generic 28 28 $216
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 24 22 $848
Prednisone Generic 23 22 $41
Dicyclomine Hcl Generic 13 13 $88

Frequently asked questions

Auto-generated from federal data
What is Dr. William Agan's medical specialty?
Dr. William Agan practices Physician Assistant in Covington, WA.
Where does Dr. William Agan practice?
Dr. William Agan practices at 16850 Se 272Nd St, Covington, WA 980424931. Office phone: 2533951960.
What is Dr. William Agan's NPI?
Dr. William Agan's National Provider Identifier (NPI) is 1134308380, issued by NPPES.
Does Dr. William Agan accept Medicare assignment?
Yes. Dr. William Agan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Agan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Automated urinalysis test (HCPCS 81003). Source: CMS Medicare Physician & Other Practitioners file.