Doctor profile · Federal record

Dr. Harry Wynn-Williams, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Seattle, WA

  • NPI 1548766678
  • Accepts Medicare
  • 8 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
325 9Th Ave
Seattle, WA 981042499
(206) 744-8334
Mailing address
325 9Th Avenue, Box 359702
Seattle, WA 98104

Credentials & registration

NPPES · NUCC
NPI registered
April 2018 — 8 yrs on file
Profile last updated
August 22, 2023
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Washington #MD61241541

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1548766678. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
518
Distinct HCPCS
6
Medicare allowed
$46,691
HCPCS Description Services Patients Avg allowed
93042 Electrocardiogram (ecg) 1 to 3 leads with review by physician only 144 141 $7
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 111 94 $8
99285 Emergency department visit with high level of medical decision making 111 109 $179
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 64 62 $180
99284 Emergency department visit with moderate level of medical decision making 62 61 $123
99291 Critical care, first 30-74 minutes 26 25 $221

In context: peer comparison

Among 82 peers in this city , average services per provider: 65. This provider delivers 8.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
92
Patients
92
Total drug cost
$1,229
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 24 24 $87
Ibuprofen Generic 14 14 $70
Ondansetron Odt (Ondansetron) Brand 14 14 $116
Prednisone Generic 14 14 $52
Cefpodoxime Proxetil Generic 13 13 $851
Cephalexin Generic 13 13 $53

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Harry Wynn-Williams's medical specialty?
Dr. Harry Wynn-Williams practices Emergency Medicine Physician in Seattle, WA.
Where does Dr. Harry Wynn-Williams practice?
Dr. Harry Wynn-Williams practices at 325 9Th Ave, Seattle, WA 981042499. Office phone: 2067448334.
What is Dr. Harry Wynn-Williams's NPI?
Dr. Harry Wynn-Williams's National Provider Identifier (NPI) is 1548766678, issued by NPPES.
Does Dr. Harry Wynn-Williams accept Medicare assignment?
Yes. Dr. Harry Wynn-Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Harry Wynn-Williams commonly perform?
Top Medicare-reported procedures in 2023: Electrocardiogram (ecg) 1 to 3 leads with review by physician only (HCPCS 93042); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.