NPI registry status
Active
2026 NPPES data Cardiovascular Disease Physician NPI 1043335995 MD
Verify on CMS → Douglas Stewart, MD
Cardiovascular Disease Physician in Seattle, Washington.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 25,298 in Cardiovascular Disease Physician, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.
Federal data, no proprietary rating.
We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.
Prescribing volume
52
Medicare Part D claims · 24 beneficiaries · Cardiovascular Disease Physician avg: 3K
Generic prescribing
69%
generic claims · 31% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
93.1/100
▲ 10 pts above national avg 83.5 · Exceptional
Source: CMS Medicare Part D Prescriber Public Use File, 2024
What the federal data shows
Douglas Stewart, MD reported a CMS MIPS final score of 93.1/100 - above the 83.5 national average - and filed 52 Medicare Part D claims in 2024.
- 93.1/100
- MIPS score · +10 vs avg
- 52
- Part D claims, 2024
- 69%
- generic prescribing
- Likely
- board-certified (heuristic)
Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) - no proprietary rating or editorial opinion is applied.
Federal trust snapshot
What official records show about Douglas Stewart, MD
Federal records show an active NPI with both Medicare prescribing volume and a measured CMS quality score — objective registry data, not patient reviews.
- Verified
NPI registry status
Active listing in the CMS National Provider Identifier Registry (NPI 1043335995), first enumerated 03/20/2007.
Source: CMS NPPES
- Reported
Medicare Part D participation
Filed 52 Medicare Part D prescription claims in the 2023 CMS public use file — indicates active Medicare prescribing participation.
Source: CMS Part D Prescriber PUF
- Reported
CMS quality reporting (MIPS)
Reported a CMS MIPS final score of 93.1/100 in the Quality Payment Program — a federal quality measure, not a patient review.
Source: CMS Quality Payment Program
- Reported
Board certification signal
Heuristic suggests board-certified status based on ABMS-eligible specialty taxonomy plus active CMS participation signals — not a direct ABMS verification.
- State context
State board disciplinary context
Washington statewide board action statistics are published annually — these figures describe aggregate state activity, not Douglas Stewart, MD's individual license status. Verify directly with the state medical board.
Source: WMC annual report 2023
- Not in federal data
Individual sanction lookup
PlainDoctor does not publish per-provider disciplinary determinations. Confirm current license and any individual actions through the state medical board or FSMB verification service.
Source: State medical board / FSMB
This trust snapshot summarizes only what appears in federal CMS/NPPES public records. It is not a composite score, star rating, patient review, or clinical recommendation. PlainDoctor never fabricates reviews or AggregateRating schema.
CMS NPPES provider registry desk
NPI 1043335995 · Cardiovascular Disease Physician
NPI-10 · ENUM-MID · TAX-MID · MIPS-ABOVE · RX-TRACE · BOOK-THIN · PHOTO-FINISH
- NPI-10 1043335995
- ENUM-MID 2007
- TAX-MID 25K Cardiovascular Disease
- MIPS-ABOVE 93.1/100
- RX-TRACE 52
- BOOK-THIN 489 in Washington
- PHOTO-FINISH Aleksandra Abrahamow… · ±0.0
MIPS final-score neighbourhood
Same-specialty nationwide peers by CMS final score, not geographic proximity
- Stewart · this p…
Stewart · this provider
93.1 MIPS pts
- Tara Atta, M.D. …
Tara Atta, M.D.
93.1 MIPS pts
- Aleksandra Abrah…
Aleksandra Abrahamowicz, MD
93.1 MIPS pts
- Gregory Condos ·…
Gregory Condos
93.1 MIPS pts
- Claudius Mahr, D…
Claudius Mahr, D.O.
93.1 MIPS pts
What this shows Nearest measured MIPS peers for this NUCC specialty (2023 performance year).
Douglas Stewart, MD's MIPS score vs every measured U.S. clinician
CMS Merit-based Incentive Payment System (MIPS) final score, 2023, the federal quality measure. Clinicians whose score CMS assigned without scoring any category are excluded.
93 ≥ 69th percentile 69% of 454,083 measured providers are in lower value bands
Each bar is a band; taller bars hold more measured providers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
The percentile is a conservative whole-score-point band: it counts only measured clinicians in lower score bands. A CMS MIPS metric is not a recommendation or a clinical-quality rating by PlainDoctor. See methodology § corpus placement.
Source CMS Merit-based Incentive Payment System (MIPS) · 2023
Where Douglas Stewart, MD sits
This provider among cardiovascular disease physician peers
Across the 7,999 cardiovascular disease physician providers who report both Medicare Part D prescribing and a MIPS quality score, Douglas Stewart, MD writes more Part D claims than 2% of them and scores higher on MIPS quality than 69% - placing this provider in the lower-volume, high-quality quadrant. Volume reflects patient-panel size and specialty, not quality; the two axes are independent.
Each dot is one cardiovascular disease physician peer from a representative sample of 60; the gold marker is Douglas Stewart, MD. Source: CMS Medicare Part D Prescriber data and the CMS Merit-based Incentive Payment System, 2023.
✓
Board certification likely (heuristic, not verified)
Douglas Stewart, MD practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + MIPS quality reporting - signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).
What does the federal data show about Douglas Stewart, MD?
High performer (top quartile)Primary specialty
Cardiovascular Disease Physician
Medicare Part D claims
52 98% vs specialty avg
MIPS final score
93.1/100 9.6 pts vs avg
Specialty distribution in Washington
How Cardiovascular Disease Physician compares to other specialties among Washington providers
Medicare quality performance, MIPS
Douglas Stewart, MD's 2023 MIPS final score plotted against the Cardiovascular Disease Physician national average
- MIPS Final Score
- 93.1/100
- vs 83.5 national avg · 2023 performance year
How MIPS and board certification work
The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.
Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).
Practice Address
Provider Details
| NPI | 1043335995 |
|---|---|
| Specialty | Cardiovascular Disease Physician |
| Credentials | MD |
| Gender | Male |
| NPI Issued | 03/20/2007 |
CMS Quality Score (MIPS)
Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.
93.0932
Final Score
Measured-score avg: 83.5
73.9573
Quality
100
Promoting Interoperability
Reporting: Alternative Payment Model
License & disciplinary context - Washington WMC 2023 annual report
Aggregate state board data only, NOT a determination of any individual provider's status. The figures below describe statewide disciplinary activity across all ~34K Washington medical licensees in 2023 - they are NOT specific to Douglas Stewart, MD. To verify Douglas Stewart, MD's current license status, search the WMC public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.
88
Total board actions, Washington 2023
Across 85 cases
2.59
Actions per 1,000 licensees
Washington statewide rate
probation
Most common action type
31 cases
WMC publishes annual disciplinary statistics as part of public-record reporting under each state's Administrative Procedure Act. See the full breakdown by action type and year on the Washington disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.
Brand vs generic prescribing mix · Above average
Douglas Stewart, MD - brand share 31.0%
Cardiovascular Disease Physician average
31% brand-name claims vs 69% generic, on 52 2024 Medicare Part D claims.
The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2024.
52
Total Claims
$17K
Total Drug Cost
24
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 128
- Total Day Supply
- 3,771
- Brand vs Generic
- 31% brand / 69% generic
- Brand Drug Cost
- $16K
- Generic Drug Cost
- $520
Patient Demographics
- Average Patient Age
- 76.9 years
- Avg HCC Risk Score
- 1.64
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2024. Based on Medicare Part D data only.
| Drug | Claims |
|---|---|
| Eliquis Apixaban | 15 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Cardiovascular Disease Physician Overview
How Douglas Stewart, MD fits within the Cardiovascular Disease Physician landscape nationally.
25,298
Cardiovascular Disease Physician Providers in US
54
States with Cardiovascular Disease Physician
3,149
Avg Claims per Provider
Douglas Stewart, MD's 52 claims are below the specialty average of 3,149.
Nationwide Cardiovascular Disease Physician peers with similar MIPS or enrollment year
Two federal-record peer sets for Stewart, both outside Washington so the neighborhoods are not geographic containment.
Similar MIPS final score
Nearest same-specialty clinicians by CMS MIPS final score (93.1 here).
Same NPPES enumeration year (2007)
Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.
Nearby Cardiovascular Disease Physician Providers in Washington
Other clinicians with the same primary specialty enrolled in Washington, drawn from the same CMS NPPES roster as Stewart.
One of 489 Cardiovascular Disease Physician providers enrolled in Washington, 5 are shown here.
Dr. Joseph Abate
MD
Spokane, WA
Dr. Sujeen Adhikari
D.O.
Silverdale, WA
Dr. Sujata Agnani
M.D.
Everett, WA
Dr. Amier Ahmad
MD
Sunnyside, WA
Dr. Peter Albro
MD
Seattle, WA
Compare Cardiovascular Disease Physician nationally: see state-by-state distribution →
Frequently Asked Questions
What is Douglas Stewart, MD's specialty? ▼
Douglas Stewart, MD specializes in Cardiovascular Disease Physician and practices in Seattle, Washington. Credentials: MD.
How much does Douglas Stewart, MD prescribe under Medicare Part D? ▼
In 2024, Douglas Stewart, MD wrote 52 Medicare Part D claims totaling $17K in drug costs for 24 beneficiaries.
What is Douglas Stewart, MD's Medicare quality score? ▼
Douglas Stewart, MD has a CMS MIPS Final Score of 93.1/100 (Quality: 74). The average MIPS Final Score across the 454,083 clinicians with at least one published category score is 83.5; clinicians whose score CMS assigned without scoring any category are excluded from that average. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is Douglas Stewart, MD located? ▼
Douglas Stewart, MD is located at 1959 NE PACIFIC ST, Seattle, WA, 98195. Phone: (206) 598-4300.
What is Douglas Stewart, MD's NPI number? ▼
Douglas Stewart, MD's National Provider Identifier (NPI) is 1043335995, issued on 03/20/2007.
Does Douglas Stewart, MD prescribe more brand-name or generic drugs? ▼
Douglas Stewart, MD's prescribing is 31% brand-name and 69% generic drugs by claim count, with $16K in brand drug costs.
How many Cardiovascular Disease Physician providers are there in the US? ▼
There are 25,298 Cardiovascular Disease Physician providers across 54 states in the US. The average Cardiovascular Disease Physician provider writes 3,149 Medicare Part D claims per year.
What drugs does Douglas Stewart, MD prescribe most often? ▼
Based on 2024 Medicare Part D data, Douglas Stewart, MD's most frequently prescribed drugs include Eliquis. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Douglas Stewart, MD accept Medicare? ▼
Douglas Stewart, MD appears in CMS Medicare data with 52 Part D claims and 24 Medicare beneficiaries in 2024. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Douglas Stewart, MD's credentials? ▼
Douglas Stewart, MD's NPI is 1043335995 with credentials MD. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.
Data Sources
View source datasets and methodology notes
- Provider Directory
- CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
- Specialty Classification
- NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
- Prescribing Data
- CMS Medicare Part D Prescriber Public Use File (2024). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
- Quality Performance
- CMS Merit-based Incentive Payment System (MIPS) - 2023 performance year.
- Limitations
- Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.
See our complete data methodology for details on how we collect and process government data.
Data as of August 2026 (NPPES) / 2024 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).
Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.