Doctor profile · Federal record

Dr. John Mignone, MD, PHD

Advanced Heart Failure and Transplant Cardiology Physician (CMS: Internal Medicine) · Internal Medicine Physician · Cardiovascular Disease Physician · Seattle, WA

  • NPI 1194834127
  • Accepts Medicare
  • MIPS 80.1 / 100 · 2023
  • 20 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1600 E Jefferson St Ste 600
Seattle, WA 981225649
(206) 215-4545
fax (206) 215-4550
Mailing address
Po Box 25608
Salt Lake City, UT 841250608

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
October 7, 2020
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207RA0001X — NUCC code
State license (1)
Washington #MD60069013
Medicaid
WA #1194834127

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194834127. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,436
Distinct HCPCS
10
Medicare allowed
$81,278
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 561 464 $9
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 203 202 $74
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 170 164 $9
99214 Established patient office or other outpatient visit, 30-39 minutes 111 97 $138
99215 Established patient office or other outpatient visit, 40-54 minutes 76 63 $193
93308 Ultrasound of heart, follow-up 62 61 $27
99291 Critical care, first 30-74 minutes 57 23 $227
93325 Ultrasound of heart with color-depicted blood flow, rate and valve function 36 36 $3
93321 Ultrasound of heart blood flow, valves and chambers, follow-up 30 30 $8
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 26 18 $128

In context: peer comparison

Among 7 peers in Seattle Advanced Heart Failure and Transplant Cardiology Physician, average services per provider: 77. This provider delivers 19× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,520
Transactions
7
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Medtronic, INC. 2 $2,210.49
Lilly USA, LLC 2 $1,050.00
Abbott Laboratories 3 $259.70

By nature of payment

Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$3,150
Food and Beverage
$250
Travel and Lodging
$120

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
768
Patients
320
Total drug cost
$266,611
Drug Type Claims Patients Total cost
Entresto (Sacubitril/Valsartan) Brand 127 40 $140,503
Spironolactone Generic 125 52 $1,300
Metoprolol Succinate Generic 111 55 $3,573
Losartan Potassium Generic 59 26 $1,605
Carvedilol Generic 53 23 $1,733
Atorvastatin Calcium Generic 48 19 $628
Farxiga (Dapagliflozin Propanediol) Brand 43 19 $55,559
Eliquis (Apixaban) Brand 38 18 $54,235
Torsemide Generic 30 14 $542
Eplerenone Generic 24 12 $3,337

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Mignone's medical specialty?
Dr. John Mignone practices Advanced Heart Failure and Transplant Cardiology Physician in Seattle, WA.
Where does Dr. John Mignone practice?
Dr. John Mignone practices at 1600 E Jefferson St Ste 600, Seattle, WA 981225649. Office phone: 2062154545.
What is Dr. John Mignone's NPI?
Dr. John Mignone's National Provider Identifier (NPI) is 1194834127, issued by NPPES.
Does Dr. John Mignone accept Medicare assignment?
Yes. Dr. John Mignone accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Mignone commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.