ROBERT B. STEWART (MD) – Cardiovascular Disease Physician, NPI 1578599445
Cardiovascular Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
638 CARDIOVASCULAR DISEASE (CARDIOLOGY) in WA
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Provider Addresses for ROBERT B. STEWART (MD)
1400, East Kincaid Street, Mount Vernon, Skagit County, Washington, 98274, United States
ATTN: CREDENTIALING
MOUNT VERNON, WA 982744127
Phone: (360) 428-2500
Fax: (360) 428-6485
Type: Mailing
Skagit Regional Health Cancer Care Center, 307, South 13th Street, Mount Vernon, Skagit County, Washington, 98273, United States
SUITE 300
MOUNT VERNON, WA 98274
Phone: (360) 336-9757
Fax: (360) 336-2088
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $146.
Total Amount is formed as General ($146) + Research ($0) + Ownership ($0) = $146.
Last reported payment date: 2024-11-15 • Largest payer in this snapshot: ACUMED LLC ($86).
Total Amount
$146
General + Research + Ownership
Payments
2
Total payment records
General Amount
$146
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-15
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ACUMED LLC | $86 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $60 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2005-03-28
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20050328000681 | I | Cardiovascular Disease (Cardiology) | WA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 1,423 | 1,103 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 388 | 241 | $0 |
| G2212 | Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | 175 | 78 | $0 |
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 138 | 94 | $0 |
| 93297 | Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days | 77 | 25 | $0 |
Insurance plans in this area (ZIP 98274)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CARDIOVASCULAR DISEASE (CARDIOLOGY) | WA | 93010 | Routine electrocardiogram (EKG) using at least 12 leads with interpretation and report | 12 | 12 |
| CARDIOVASCULAR DISEASE (CARDIOLOGY) | WA | 93280 | Evaluation, testing, and programming adjustment of permanent dual lead pacemaker system with physician analysis, review, and report | 28 | 27 |
| CARDIOVASCULAR DISEASE (CARDIOLOGY) | WA | 93284 | Evaluation, testing and programming adjustment of defibrillator with analysis, review and report | 12 | 12 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| D E R M A T O L O G Y | NY | |
| Otolaryngology, Allergy/Immunology, Plastic And Reconstructive Surgery, Surgical Oncology | WA | |
| Nurse Practitioner | WA | |
| Nurse Practitioner | WA | |
| - | WA | |
| Orthopedic Surgery | WA | |
| Cardiac Electrophysiology, Cardiovascular Disease (Cardiology) | WA | |
| Internal Medicine | WA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | WA | |
| G A S T R O E N T E R O L O G Y | WA |
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