Vivian Stone, M.D.
NPI 1649432535 · Rheumatology Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Vivian Stone, M.D. is a Rheumatology Physician provider in Seattle, WA (NPI 1649432535).
Provider details
- NPI number
- 1649432535
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- MD60082326 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,909 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 483 | $17 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 464 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 285 | $139 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 258 | $197 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 182 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 45 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxychloroquine Sulfate | 738 | 204 |
| Prednisone | 387 | 131 |
| Methotrexate Sodiumbrand: Methotrexate | 375 | 117 |
| Leflunomide | 145 | 45 |
| Alendronate Sodium | 130 | 42 |
| Duloxetine Hcl | 116 | 31 |
| Allopurinol | 96 | 28 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-07-01
- Last updated
- 2011-08-15
Frequently asked questions
- What is Vivian Stone's NPI number?
- Vivian Stone's National Provider Identifier (NPI) is 1649432535, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vivian Stone's specialty?
- Vivian Stone is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Vivian Stone located?
- Vivian Stone's practice location on file with NPPES is 1100 9th Ave, Seattle, WA 98101-2756.
- What is Vivian Stone's phone number?
- The practice phone number listed in the NPPES registry for Vivian Stone is (206) 223-6824.
- Does Vivian Stone accept Medicare?
- Vivian Stone is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Vivian Stone's NPI active?
- Yes — Vivian Stone's NPI (1649432535) is active in the NPPES registry as of the last update on 2011-08-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.