Doctor profile · Federal record
Dr. William Berrington, M.D., PH.D.
Infectious Disease Physician (CMS: Infectious Disease) · Seattle, WA
- NPI 1558374025
- Accepts Medicare
- MIPS 82.8 / 100 · 2023
- 26 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
747 Broadway
Seattle, WA 981224379
(206) 215-2520
fax (206) 386-3180 - Mailing address
-
Po Box 25608
Salt Lake City, UT 841250608
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- March 7, 2023
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207RI0200X — NUCC code
- State license (1)
- Washington #MD00042229
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1558374025. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
478
Distinct HCPCS
3
Medicare allowed
$57,242
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 200 | 82 | $85 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 200 | 87 | $128 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 78 | 72 | $187 |
In context: peer comparison
Among 35 peers in Seattle Infectious Disease Physician, average services per provider: 59. This provider delivers 8.1× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. William Berrington's medical specialty?
Dr. William Berrington practices Infectious Disease Physician in Seattle, WA.
Where does Dr. William Berrington practice?
Dr. William Berrington practices at 747 Broadway, Seattle, WA 981224379. Office phone: 2062152520.
What is Dr. William Berrington's NPI?
Dr. William Berrington's National Provider Identifier (NPI) is 1558374025, issued by NPPES.
Does Dr. William Berrington accept Medicare assignment?
Yes. Dr. William Berrington accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Berrington commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.