Doctor profile · Federal record

Dr. Diane Sy, CRNA

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Seattle, WA

  • NPI 1275080202
  • Accepts Medicare
  • MIPS 61.7 / 100 · 2023
  • 10 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1959 Ne Pacific St
Seattle, WA 981950001
(206) 520-5000
Mailing address
Po Box 50095
Seattle, WA 981455095

Credentials & registration

NPPES · NUCC
NPI registered
September 2016 — 10 yrs on file
Profile last updated
September 4, 2025
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
367500000X — NUCC code
State license (1)
Washington #AP6001894

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275080202. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
22
Distinct HCPCS
1
Medicare allowed
$2,963
HCPCS Description Services Patients Avg allowed
00142 Anesthesia for lens surgery 22 22 $135

In context: peer comparison

Among 79 peers in this city , average services per provider: 32. This provider delivers 0.7× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Diane Sy's medical specialty?
Dr. Diane Sy practices Certified Registered Nurse Anesthetist in Seattle, WA.
Where does Dr. Diane Sy practice?
Dr. Diane Sy practices at 1959 Ne Pacific St, Seattle, WA 981950001. Office phone: 2065205000.
What is Dr. Diane Sy's NPI?
Dr. Diane Sy's National Provider Identifier (NPI) is 1275080202, issued by NPPES.
Does Dr. Diane Sy accept Medicare assignment?
Yes. Dr. Diane Sy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diane Sy commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for lens surgery (HCPCS 00142). Source: CMS Medicare Physician & Other Practitioners file.