Doctor profile · Federal record

Dr. Crystal Koerner, M.D.

Colon & Rectal Surgery Physician (CMS: Colorectal Surgery (Proctology)) · Seattle, WA

  • NPI 1235524703
  • Accepts Medicare
  • MIPS 89.9 / 100 · 2023
  • 11 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1101 Madison St Ste 500
Seattle, WA 981043557
(206) 386-6600

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
September 2, 2020
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
208C00000X — NUCC code
State license (1)
Washington #61033333

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1235524703. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
58
Distinct HCPCS
3
Medicare allowed
$6,425
HCPCS Description Services Patients Avg allowed
45380 Biopsy of large bowel using a flexible endoscope 21 19 $128
46600 Diagnostic exam of anus using an endoscope 19 14 $120
99213 Established patient office or other outpatient visit, 20-29 minutes 18 14 $81

In context: peer comparison

Among 3 peers in Seattle Colon & Rectal Surgery Physician, average services per provider: 17. This provider delivers 3.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$392
Transactions
10
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Medtronic, INC. 7 $296.06
Takeda Pharmaceuticals U.S.A., INC. 1 $60.32
Solventum Corporation 1 $21.39
Intuitive Surgical, INC. 1 $13.79

By nature of payment

Food and Beverage
$392

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
120
Patients
101
Total drug cost
$1,991
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 34 25 $171
Metronidazole Generic 25 22 $77
Ciprofloxacin Hcl Generic 23 20 $75
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 19 15 $121
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) Brand 19 19 $1,547

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Crystal Koerner's medical specialty?
Dr. Crystal Koerner practices Colon & Rectal Surgery Physician in Seattle, WA.
Where does Dr. Crystal Koerner practice?
Dr. Crystal Koerner practices at 1101 Madison St Ste 500, Seattle, WA 981043557. Office phone: 2063866600.
What is Dr. Crystal Koerner's NPI?
Dr. Crystal Koerner's National Provider Identifier (NPI) is 1235524703, issued by NPPES.
Does Dr. Crystal Koerner accept Medicare assignment?
Yes. Dr. Crystal Koerner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Crystal Koerner commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Diagnostic exam of anus using an endoscope (HCPCS 46600); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.