Kalaiselvi Williams, MD, MPH
NPI 1043768351 · Internal Medicine Physician · Portland, OR
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kalaiselvi Williams, MD, MPH is a Internal Medicine Physician provider in Portland, OR (NPI 1043768351).
Provider details
- NPI number
- 1043768351
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MPH
- Sex
- Female
- Sole proprietor
- No
- License
- MD23938 (OR)
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
9 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
472 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 | 139 | $17 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 101 | $101 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 99 | $64 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 79 | $82 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 25 | $71 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 42 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 130 | 37 |
| Amlodipine Besylate | 79 | 27 |
| Lisinopril | 56 | 17 |
| Losartan Potassium | 53 | 16 |
| Rosuvastatin Calcium | 43 | 13 |
| Metoprolol Succinate | 43 | 11 |
| Trazodone Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-09-15
- Last updated
- 2022-05-12
- Certified
- 2022-05-12
Frequently asked questions
- What is Kalaiselvi Williams's NPI number?
- Kalaiselvi Williams's National Provider Identifier (NPI) is 1043768351, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kalaiselvi Williams's specialty?
- Kalaiselvi Williams is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Kalaiselvi Williams located?
- Kalaiselvi Williams's practice location on file with NPPES is 3181 Sw Sam Jackson Park Rd # L475, Portland, OR 97239-3011.
- What is Kalaiselvi Williams's phone number?
- The practice phone number listed in the NPPES registry for Kalaiselvi Williams is (503) 494-6551.
- Does Kalaiselvi Williams accept Medicare?
- Kalaiselvi Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kalaiselvi Williams's NPI active?
- Yes — Kalaiselvi Williams's NPI (1043768351) is active in the NPPES registry as of the last update on 2022-05-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.