Doctor profile · Federal record

Dr. William Berg, M.D.

Neurology Physician (CMS: Neurology) · Seattle, WA

  • NPI 1568461507
  • Accepts Medicare
  • 31 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
515 Minor Ave, #210
Seattle, WA 98104
(206) 386-9500
fax (206) 386-9605
Additional location
550 17Th Ave
Seattle, WA 981225788
(206) 320-2176
fax (206) 320-2451
Mailing address
Po Box 3489
Seattle, WA 981143489

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
October 19, 2021
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
Washington #MD00038474
Medicaid
WA #8252538

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1568461507. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
111
Distinct HCPCS
5
Medicare allowed
$14,210
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 29 28 $78
99291 Critical care, first 30-74 minutes 26 26 $212
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 21 19 $51
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 19 19 $136
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 16 16 $173

In context: peer comparison

Among 69 peers in Seattle Neurology Physician, average services per provider: 359. This provider delivers 0.3× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Berg's medical specialty?
Dr. William Berg practices Neurology Physician in Seattle, WA.
Where does Dr. William Berg practice?
Dr. William Berg practices at 515 Minor Ave, Seattle, WA 98104. Office phone: 2063869500.
What is Dr. William Berg's NPI?
Dr. William Berg's National Provider Identifier (NPI) is 1568461507, issued by NPPES.
Does Dr. William Berg accept Medicare assignment?
Yes. Dr. William Berg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Berg commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Critical care (HCPCS 99291); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.