Vivian Nkwonta, M.D.
NPI 1588865539 · Internal Medicine Physician · Burien, WA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Vivian Nkwonta, M.D. is a Internal Medicine Physician provider in Burien, WA (NPI 1588865539).
Provider details
- NPI number
- 1588865539
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD60034300 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
564 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 339 | $122 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 106 | $118 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 94 | $82 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 25 | $52 |
Typical Medicare-allowed amounts for these services range $52–$122 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 25 | 13 |
| Pantoprazole Sodium | 25 | 14 |
| Atorvastatin Calcium | 24 | 11 |
| Metoprolol Succinate | 24 | 18 |
| Prednisone | 24 | 21 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 21 | 19 |
| Oxycodone Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-29
- Last updated
- 2020-12-08
- Certified
- 2020-12-08
Frequently asked questions
- What is Vivian Nkwonta's NPI number?
- Vivian Nkwonta's National Provider Identifier (NPI) is 1588865539, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vivian Nkwonta's specialty?
- Vivian Nkwonta is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Vivian Nkwonta located?
- Vivian Nkwonta's practice location on file with NPPES is 16251 Sylvester Rd Sw, Burien, WA 98166-3017.
- What is Vivian Nkwonta's phone number?
- The practice phone number listed in the NPPES registry for Vivian Nkwonta is (253) 426-6341.
- Does Vivian Nkwonta accept Medicare?
- Vivian Nkwonta is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Vivian Nkwonta's NPI active?
- Yes — Vivian Nkwonta's NPI (1588865539) is active in the NPPES registry as of the last update on 2020-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.