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 Bellevue Emergency Medicine Physician, average services per provider: 71. This provider delivers 2.5× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Colleen Kniffin's medical specialty?
Dr. Colleen Kniffin practices Emergency Medicine Physician in Bellevue, WA.
Where does Dr. Colleen Kniffin practice?
Dr. Colleen Kniffin practices at 1035 116Th Ave Ne, Bellevue, WA 98004. Office phone: 4256885100.
What is Dr. Colleen Kniffin's NPI?
Dr. Colleen Kniffin's National Provider Identifier (NPI) is 1952565269, issued by NPPES.
Does Dr. Colleen Kniffin accept Medicare assignment?
Yes. Dr. Colleen Kniffin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Colleen Kniffin commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.