Doctor profile · Federal record

Dr. COLLEEN KNIFFIN, MD

Emergency Medicine Physician (CMS: EMERGENCY MEDICINE) · Emergency Medicine Physician · Student in an Organized Health Care Education/Training Program · BELLEVUE, WA

  • NPI 1952565269
  • Accepts Medicare
  • MIPS 77.1 / 100 · 2023
  • 18 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1035 116TH AVE NE, OVERLAKE HOSPITAL MEDICAL CENTER
BELLEVUE, WA 98004
(425) 688-5100

Credentials & registration

NPPES · NUCC
NPI registered
July 2008 — 18 yrs on file
Profile last updated
February 5, 2018
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
Washington #MD60471532 · Minnesota #53057

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1952565269. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
179
Distinct HCPCS
4
Medicare allowed
$25,318
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 98 97 $184
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 39 36 $9
99284 Emergency department visit with moderate level of medical decision making 26 25 $127
99291 Critical care, first 30-74 minutes 16 16 $226

In context: peer comparison

Among 20 peers in this city , average services per provider: 71. This provider delivers 2.5× the peer median.

Hospital affiliations

CMS Hospital Compare