Doctor profile · Federal record

Dr. Walter Kerwin, M.D.

Clinical Cardiac Electrophysiology Physician (CMS: Cardiac Electrophysiology) · Specialist · Clinical Cardiac Electrophysiology Physician · Clinical Cardiac Electrophysiology Physician · Clinical Cardiac Electrophysiology Physician · Coos Bay, OR

  • NPI 1457397556
  • Accepts Medicare
  • 41 yrs in practice
  • Licensed in 5 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 6 locations .

NPPES Updated May 11, 2026
Primary practice
1775 Thompson RD
Coos Bay, OR 974202125
(541) 269-8111
Additional location
407 S Schwartz Ave Ste 202
Farmington, NM 874015925
(505) 609-6770
fax (505) 609-6775
Additional location
800 Rose St
Lexington, KY 405365913
(859) 323-0295
Show 3 more locations
Additional location
8631 W 3Rd St Ste 1017E
Los Angeles, CA 900485913
(310) 289-0141
fax (310) 289-0144
Additional location
1200 N Beaver St
Flagstaff, AZ 860013118
(928) 779-3366
Additional location
700 S Park St Ste A
Madison, WI 537151830
(608) 260-2900
fax (608) 260-2956
Mailing address
8631 W 3Rd St Ste 1017E
Los Angeles, CA 900485913

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
February 8, 2023
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207RC0001X — NUCC code
State licenses (5)
Oregon #MD199312 · California #G75336 · New Mexico #MD2018-0760 · Arizona #66875 · Kentucky #TP335
Medicaid (2)
OR #500717106 · WI #1457397556

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1457397556. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,032
Distinct HCPCS
10
Medicare allowed
$45,631
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 477 387 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 100 51 $138
99213 Established patient office or other outpatient visit, 20-29 minutes 94 61 $99
93294 Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 82 62 $31
93280 Programming of dual lead pacemaker system 81 34 $83
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 56 33 $16
93298 Evaluation of cardiac rhythm monitor system, remote up to 30 days 48 14 $27
93295 Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days 46 34 $38
93248 Heart rhythm review and interpretation of continous external ekg over 8-15 days 24 24 $26
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 13 13 $224

In context: peer comparison

Among 1 peers in this city , average services per provider: 93. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,648
Transactions
16
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Medtronic, Inc. 10 $1,359.23
Abbott Laboratories 3 $173.56
Boston Scientific Corporation 2 $88.52
iRhythm Technologies, Inc. 1 $26.74

By nature of payment

Travel and Lodging
$1,232
Food and Beverage
$416

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
430
Patients
57
Total drug cost
$119,516
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 95 22 $83,037
Dofetilide Generic 44 0 $8,607
Flecainide Acetate Generic 37 12 $1,711
Losartan Potassium Generic 37 12 $845
Rosuvastatin Calcium Generic 36 0 $1,279
Amiodarone Hcl Generic 27 11 $1,687
Metoprolol Tartrate Generic 25 0 $133
Metoprolol Succinate Generic 24 0 $325
Atorvastatin Calcium Generic 23 0 $128
Furosemide Generic 16 0 $327

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Walter Kerwin's medical specialty?
Dr. Walter Kerwin practices Clinical Cardiac Electrophysiology Physician in Coos Bay, OR.
Where does Dr. Walter Kerwin practice?
Dr. Walter Kerwin practices at 1775 Thompson RD, Coos Bay, OR 974202125. Office phone: 5412698111.
What is Dr. Walter Kerwin's NPI?
Dr. Walter Kerwin's National Provider Identifier (NPI) is 1457397556, issued by NPPES.
Does Dr. Walter Kerwin accept Medicare assignment?
Yes. Dr. Walter Kerwin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Walter Kerwin commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.