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ROBERT B. STEWART MD
NPI 1578599445
Internal Medicine - Cardiovascular Disease in Mount Vernon, WA

Active since June 23, 2006PECOS EnrolledAccepts Medicare Assignment
83.89/100
CMS Quality Rating
307 S. 13TH ST.,, SUITE 300, MOUNT VERNON, WA 98274(360) 336-9757(360) 336-2088 Get Directions Write a Review

NPPES record last updated: October 5, 2012. Verified against the NPPES registry weekly; last sync: September 06, 2026.

About Robert B. Stewart Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ROBERT B. STEWART MD (NPI 1578599445) is an individual cardiovascular disease provider in Mount Vernon, Washington, licensed in Washington (MD00028275) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Skagit Valley Hospital, and is a graduate of University Of Washington School Of Medicine (1988).

NPPES Registry Identity

NPI1578599445
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameROBERT B. STEWARTCredential: MD
Location Address307 S. 13TH ST.,, SUITE 300Mount Vernon, WA 98274
Mailing Address1400 E. Kincaid St., Attn: CredentialingMount Vernon, WA 98274-4127 · (360) 428-2500 · Fax (360) 428-6485
Phone(360) 336-9757
Fax(360) 336-2088
Sole ProprietorNo
Medical School CMSUniversity Of Washington School Of MedicineGraduated 1988
Enumeration DateJune 23, 2006
Last NPPES UpdateOctober 5, 2012
✔ NPI 1578599445 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in WA · MD00028275
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Also ListedSpecialistTaxonomy 174400000X · License MD00028275 (WA)
307 S. 13TH ST.,, Mount Vernon, WA 98274
Open in Google Maps ↗

Other Identifiers 5

Medicare UPINF56126
Medicare PING8892555WA
Medicare UPINF56126WA
Medicaid8146938WA
Medicare PING001145192WA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Robert B. Stewart Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6406802958
PECOS Enrollment IDI20050328000681
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 16

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
885 services704 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
265 services230 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
167 services114 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
165 services95 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
128 services82 patients
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 G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
128 services52 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Skagit Valley Hospital

Acute Care Hospitals · Mount Vernon, WA
3/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number500003
Location1415 E Kincaid StreetMount Vernon, WA 98274 · Skagit County
Emergency services Birthing friendly

Island Hospital

Acute Care Hospitals · Anacortes, WA
5/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number500007
Location1211 24th StreetAnacortes, WA 98221 · Skagit County
Emergency services Birthing friendly

Cascade Valley Hospital

Acute Care Hospitals · Arlington, WA
1/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number500060
Location330 S Stillaguamish AveArlington, WA 98223 · Snohomish County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98274 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$130.99 typical visit price
range $57.27 – $172.80
Typical copayment $32.74 (range $14.31 – $43.20)
Most-billed visit code 99204
Established Patient
$71.29 typical visit price
range $18.56 – $141.11
Typical copayment $17.82 (range $4.64 – $35.27)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

83.89/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality100
Improvement Activities0
Cost90.14

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Robert Stewart's NPI number?

The NPI number for Robert Stewart is 1578599445. It was assigned to this individual provider in the NPPES registry on June 23, 2006.

Where is Robert Stewart located?

Robert Stewart practices at 307 S. 13th St., Suite 300, Mount Vernon, WA 98274. The listed phone number is (360) 336-9757.

What is Robert Stewart's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Robert Stewart enrolled in Medicare?

Yes. Robert Stewart is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Robert Stewart accept?

Health plans from PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Robert Stewart as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Robert Stewart affiliated with any hospitals?

According to CMS data, Robert Stewart is affiliated with Skagit Valley Hospital, Island Hospital and Cascade Valley Hospital.

When was this NPI record last updated?

The NPPES record for Robert Stewart was last updated on October 5, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.