Doctor profile · Federal record

Dr. Andrew Cowan, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Internal Medicine Physician · Seattle, WA

  • NPI 1043471733
  • Accepts Medicare
  • MIPS 87.0 / 100 · 2023
  • 18 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
825 Eastlake Ave E
Seattle, WA 981094405
(206) 288-1000
Mailing address
Po Box 50095
Seattle, WA 981455095

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Profile last updated
July 20, 2015
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Washington #MD60274392
Medicaid
WA #1043471733

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043471733. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
370
Distinct HCPCS
4
Medicare allowed
$51,840
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 221 108 $153
99214 Established patient office or other outpatient visit, 30-39 minutes 106 78 $105
99205 New patient office or other outpatient visit, 60-74 minutes 31 31 $194
99213 Established patient office or other outpatient visit, 20-29 minutes 12 12 $71

In context: peer comparison

Among 60 peers in this city , average services per provider: 225. This provider delivers 1.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$12,763
Transactions
10
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Janssen Global Services, LLC 4 $4,223.75
GENZYME CORPORATION 4 $3,046.36
E.R. Squibb & Sons, L.L.C. 1 $2,768.00
Janssen Scientific Affairs, LLC 1 $2,725.00

By nature of payment

Consulting Fee
$11,580
Travel and Lodging
$1,016
Food and Beverage
$167

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
200
Patients
48
Total drug cost
$1,889,750
Drug Type Claims Patients Total cost
Lenalidomide Generic 42 11 $472,845
Pomalyst (Pomalidomide) Brand 40 0 $839,063
Acyclovir Generic 37 14 $646
Revlimid (Lenalidomide) Brand 24 11 $435,701
Dexamethasone Generic 22 12 $446
Potassium Chloride Generic 13 0 $313
Ninlaro (Ixazomib Citrate) Brand 11 0 $140,639
Ondansetron Hcl Generic 11 0 $97

Frequently asked questions

Auto-generated from federal data
What is Dr. Andrew Cowan's medical specialty?
Dr. Andrew Cowan practices Hematology & Oncology Physician in Seattle, WA.
Where does Dr. Andrew Cowan practice?
Dr. Andrew Cowan practices at 825 Eastlake Ave E, Seattle, WA 981094405. Office phone: 2062881000.
What is Dr. Andrew Cowan's NPI?
Dr. Andrew Cowan's National Provider Identifier (NPI) is 1043471733, issued by NPPES.
Does Dr. Andrew Cowan accept Medicare assignment?
Yes. Dr. Andrew Cowan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Cowan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.