Risa Nielsen, MD
NPI 1083621742 · Internal Medicine Physician · St Croix, VI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Risa Nielsen, MD is a Internal Medicine Physician provider in St Croix, VI (NPI 1083621742).
Provider details
- NPI number
- 1083621742
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 1251 (VI)
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
20 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
986 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 408 | $121 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 217 | $86 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 125 | $121 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 110 | $18 |
| Administration of Influenza Virus VaccineG0008 | 66 | $32 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 87 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 244 | 57 |
| Simvastatin | 218 | 50 |
| Amlodipine Besylate | 200 | 50 |
| Nifedipinebrand: Nifedipine Er | 200 | 38 |
| Rosuvastatin Calcium | 170 | 36 |
| Losartan/Hydrochlorothiazidebrand: Losartan-Hydrochlorothiazide | 145 | 40 |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-02
- Last updated
- 2022-02-06
- Certified
- 2022-02-06
Frequently asked questions
- What is Risa Nielsen's NPI number?
- Risa Nielsen's National Provider Identifier (NPI) is 1083621742, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Risa Nielsen's specialty?
- Risa Nielsen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Risa Nielsen located?
- Risa Nielsen's practice location on file with NPPES is Beeston Hill Medical Center, St Croix, VI 00820.
- What is Risa Nielsen's phone number?
- The practice phone number listed in the NPPES registry for Risa Nielsen is (340) 778-6680.
- Does Risa Nielsen accept Medicare?
- Risa Nielsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Risa Nielsen's NPI active?
- Yes — Risa Nielsen's NPI (1083621742) is active in the NPPES registry as of the last update on 2022-02-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.