Doctor profile · Federal record

Dr. Michael Williams, M.D.

Neurology Physician (CMS: Neurology) · Seattle, WA

  • NPI 1538197785
  • Accepts Medicare
  • MIPS 87.0 / 100 · 2023
  • 41 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1959 Ne Pacific St
Seattle, WA 981950001
(206) 598-7688
Mailing address
Po Box 50095
Seattle, WA 981455095

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
December 29, 2015
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
Washington #MD60593500
Medicaid
WA #1538197785

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538197785. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
536
Distinct HCPCS
4
Medicare allowed
$42,301
HCPCS Description Services Patients Avg allowed
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or 323 93 $33
99215 Established patient office or other outpatient visit, 40-54 minutes 138 99 $152
99205 New patient office or other outpatient visit, 60-74 minutes 48 48 $192
62252 Reprogramming of cerebrospinal fluid shunt 27 19 $48

In context: peer comparison

Among 69 peers in this city , average services per provider: 359. This provider delivers 1.5× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Williams's medical specialty?
Dr. Michael Williams practices Neurology Physician in Seattle, WA.
Where does Dr. Michael Williams practice?
Dr. Michael Williams practices at 1959 Ne Pacific St, Seattle, WA 981950001. Office phone: 2065987688.
What is Dr. Michael Williams's NPI?
Dr. Michael Williams's National Provider Identifier (NPI) is 1538197785, issued by NPPES.
Does Dr. Michael Williams accept Medicare assignment?
Yes. Dr. Michael Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Williams commonly perform?
Top Medicare-reported procedures in 2023: Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (HCPCS G2212); Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.