Physician Profile
Unclaimed ProfileAbout MIGNONE
Based in Seattle, WA, John L Mignone, MD, PhD is listed in the NPI registry under internal medicine. John graduated from Duke University School of Medicine in 2006. John is also listed as specializing in cardiovascular disease. Medicare claims data shows John provided 1,087 services to 829 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (206) 215-4545
- Email not available
Practice Locations
1600 E JEFFERSON ST STE 600
Seattle, WA 98122
Procedures Most Often Billed to Medicare
1,087 services · 829 patients · 15 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
235 |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
141 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
75 |
| Remote monitoring of pulmonary artery pressure sensor, up to 30 days | Treatment | 93264 |
54 |
| Evaluation of lower heart chamber assist device | Treatment | 93750 |
46 |
| Ultrasound of heart with color-depicted blood flow, rate and valve function | Treatment | 93325 |
37 |
| Ultrasound of heart, follow-up | Treatment | 93308 |
36 |
| Ultrasound of heart blood flow, valves and chambers, follow-up | Treatment | 93321 |
34 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
106 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
104 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 6
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other internal medicines in Seattle 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Duke University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2006 at Duke University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 8
Providers in WA who bill this service to Medicare most often.
Common questions
What does Dr. Mignone specialize in?
Dr. Mignone is an internal medicine in Seattle, WA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where is Dr. Mignone located?
Dr. Mignone is listed at 1600 E JEFFERSON ST STE 600, Seattle, WA 98122. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Mignone's phone number?
The number on file is (206) 215-4545. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Mignone?
Dr. Mignone's National Provider Identifier is 1194834127. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Mignone go to medical school?
Dr. Mignone attended Duke University School of Medicine, graduating in 2006. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Mignone have?
Dr. Mignone has 20 years experience. Calculated from a graduation year of 2006, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Mignone do most often?
According to Medicare billing data, Dr. Mignone provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only and ultrasound of heart with color-depicted blood flow, rate, direction and valve function, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Mignone's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mignone. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.