Doctor profile · Federal record

Dr. Marianne Yacyshyn, MD

Neurology Physician (CMS: Neurology) · Seattle, WA

  • NPI 1184158875
  • Accepts Medicare
  • 9 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
500 17Th Ave
Seattle, WA 981225711
(206) 320-2800
fax (206) 320-2827
Mailing address
Po Box 25608
Salt Lake City, UT 841250608

Credentials & registration

NPPES · NUCC
NPI registered
April 2017 — 9 yrs on file
Profile last updated
August 10, 2021
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
Washington #MD61140064

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184158875. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
300
Distinct HCPCS
5
Medicare allowed
$31,883
HCPCS Description Services Patients Avg allowed
99451 Telephone, internet, or electronic health record assessment and management with written report by consulting physician, at least 5 minutes 123 107 $38
99291 Critical care, first 30-74 minutes 53 53 $218
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 44 30 $79
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 43 43 $177
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 37 27 $123

In context: peer comparison

Among 69 peers in this city , average services per provider: 359. This provider delivers 0.8× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Marianne Yacyshyn's medical specialty?
Dr. Marianne Yacyshyn practices Neurology Physician in Seattle, WA.
Where does Dr. Marianne Yacyshyn practice?
Dr. Marianne Yacyshyn practices at 500 17Th Ave, Seattle, WA 981225711. Office phone: 2063202800.
What is Dr. Marianne Yacyshyn's NPI?
Dr. Marianne Yacyshyn's National Provider Identifier (NPI) is 1184158875, issued by NPPES.
Does Dr. Marianne Yacyshyn accept Medicare assignment?
Yes. Dr. Marianne Yacyshyn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marianne Yacyshyn commonly perform?
Top Medicare-reported procedures in 2023: Telephone, internet, or electronic health record assessment and management with written report by consulting physician (HCPCS 99451); Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.