Doctor profile · Federal record

Dr. David Cowan, MD

Family Medicine Physician (CMS: Family Practice) · Bainbridge Island, WA

  • NPI 1487763405
  • Accepts Medicare
  • 38 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1344 Wintergreen Ln Ne
Bainbridge Island, WA 98110
(206) 842-5632
fax (206) 842-5992
Additional location
380 Winslow Way E
Bainbridge Island, WA 981102424

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
June 13, 2018
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Washington #MD00027659
Medicaid
WA #8137093

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1487763405. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,256
Distinct HCPCS
10
Medicare allowed
$210,085
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 602 385 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 563 327 $123
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 307 307 $132
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 274 148 $23
96372 Injection of drug or substance under skin or into muscle 236 48 $14
99213 Established patient office or other outpatient visit, 20-29 minutes 205 167 $87
85610 Blood test, clotting time 173 67 $4
99215 Established patient office or other outpatient visit, 40-54 minutes 145 112 $171
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg 135 21 $2
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 75 75 $74

In context: peer comparison

Among 3 peers in this city , average services per provider: 128. This provider delivers 25× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,138
Patients
593
Total drug cost
$28,842
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 395 106 $5,549
Losartan Potassium Generic 322 87 $4,640
Amlodipine Besylate Generic 228 66 $1,471
Tamsulosin Hcl Generic 143 49 $3,621
Levothyroxine Sodium Generic 138 37 $2,151
Simvastatin Generic 131 35 $1,416
Metformin Hcl Generic 126 34 $1,512
Olmesartan Medoxomil Generic 104 22 $1,393
Allopurinol Generic 93 27 $1,592
Gabapentin Generic 87 24 $1,185

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. David Cowan's medical specialty?
Dr. David Cowan practices Family Medicine Physician in Bainbridge Island, WA.
Where does Dr. David Cowan practice?
Dr. David Cowan practices at 1344 Wintergreen Ln Ne, Bainbridge Island, WA 98110. Office phone: 2068425632.
What is Dr. David Cowan's NPI?
Dr. David Cowan's National Provider Identifier (NPI) is 1487763405, issued by NPPES.
Does Dr. David Cowan accept Medicare assignment?
Yes. Dr. David Cowan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Cowan commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.