NPPES file of Aug 9, 2026

Risa M. Nielsen, MD

Internal Medicine Physician · St Croix, VI

Risa M. Nielsen, MD is an internal medicine physician with a practice address in St Croix, Virgin Islands, and NPI 1083621742, issued on Aug 2, 2006. Check the license (Virgin Islands 1251, as entered in NPPES) with the Virgin Islands board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1083621742
Name
Risa M. Nielsen
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
1251 VI
Self-reported in NPPES; status is on the state search
Practice location
Beeston Hill Medical Center, St Croix, VI 00820
Phone
(340) 778-6680
Enumerated
Aug 2, 2006
Record last updated
Feb 6, 2022
Fax
(340) 778-8869
Medicare enrollment
Enrolled (PECOS I20040514000227); accepts Medicare assignment
Medical or professional school
Harvard Medical School, 1997
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Risa M. Nielsen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Virgin Islands board licenses this profession
    Search for license 1251
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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39% more Medicare Part D claims than the average internal medicine physician in 2024

4,405 Medicare Part D claims for 344 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Risa Nielsen4,405
  2. Specialty average3,176

Most prescribed

  1. Losartan Potassium244 claims
  2. Simvastatin218 claims
  3. Amlodipine Besylate200 claims
  4. Nifedipine Er200 claims
  5. Rosuvastatin Calcium170 claims
  6. Losartan-Hydrochlorothiazide145 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The MIPS final score for 2023 (Medicare payment program): 54.6 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score64.3
  2. Costout of 100 · 30%96.2
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Risa M. Nielsen among 19 internal medicine physician records in Virgin Islands

Risa M. Nielsen, MD is one of 19 internal medicine physician records with a practice address in Virgin Islands. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.

  • NPI issued2006 · 11% of these records are older, 26% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 47% of these records are
  • Record last updated2022 · 89% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Virgin Islands practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1 internal medicine physician record lists a practice address in St Croix

They are 1 of the 18 NPPES records with a practice address in St Croix, and 19 internal medicine physician records in Virgin Islands.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Carmen Cintron, DOChristiansted, VI 008201396730727
  2. Kirana Kefalos, MDChristiansted, VI 008201396997003
  3. Angel Lake, MDChristiansted, VI 008201205978335
  4. Ramesh Lakhram, M.D.Christiansted, VI 008201730165986
  5. Jennifer Walker, MDSt John, VI 008301689855934
  6. Luis Amaro, MDSt Thomas, VI 008021205860806
  7. Linda Callwood, MDSt Thomas, VI 008021548210917
  8. Barbara Douglas, MDSt Thomas, VI 008021427002047

Common questions

What is Risa M. Nielsen, MD's NPI number?

Risa M. Nielsen, MD's National Provider Identifier (NPI) is 1083621742, issued on Aug 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Risa M. Nielsen, MD located?

The NPPES record lists a practice address at Beeston Hill Medical Center, St Croix, VI, 00820. Phone: (340) 778-6680. Providers update this record themselves, so call before visiting.

How can I verify Risa M. Nielsen, MD's license?

NPPES lists Virgin Islands license number 1251, as entered by the provider. Search the Virgin Islands board that licenses this profession; the NPPES record confirms identity only.

How much does Risa M. Nielsen, MD prescribe under Medicare Part D?

In 2024, Risa M. Nielsen, MD had 4,405 Medicare Part D claims for 344 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Risa M. Nielsen, MD's MIPS final score?

The 2023 MIPS final score is 54.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.