Dr. Risa M. Nielsen, MD
- Medicare services, 2024
- 1,034
- Medicare patients, 2024
- 237
- Part D claims, 2024
- 4,405
- MIPS score, 2024
- 81
- Hospital affiliations
- 1
- Practice address
- #4007 Est Diamond Ruby, Christiansted, Saint Croix, VI 00820
- Practice phone
- Call (340) 778-6311
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Nielsen's professional email, personal email and mobile number
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Dr. Risa M. Nielsen is an internist in U.S. Virgin Islands
Dr. Nielsen practices at Governor Juan F. Luis Hospital and Medical Center in Saint Croix, U.S. Virgin Islands, part of Government of US Virgin Islands.
Dr. Nielsen's NPI, 1083621742, was assigned on August 2, 2006. Dr. Nielsen graduated from Harvard Medical School in 1997. Dr. Nielsen holds U.S. Virgin Islands license 1251.
- NPI
- 1083621742NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7810987658
- NPI enumeration date
- August 2, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (340) 778-6311
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Risa M. Nielsen practices at Governor Juan F. Luis Hospital and Medical Center in Saint Croix, U.S. Virgin Islands
Dr. Nielsen's primary practice is Governor Juan F. Luis Hospital and Medical Center, at #4007 Est Diamond Ruby, Christiansted, Saint Croix, VI 00820 in Saint Croix Island County. The practice phone is (340) 778-6311.
- Governor Juan F. Luis Hospital and Medical Center#4007 Est Diamond Ruby, Christiansted, Saint Croix, VI 00820 · Saint Croix Island CountyPhone(340) 778-6311
Source: Dmand AI Affiliation Data
Dr. Risa M. Nielsen is affiliated with 1 site of care
Dr. Nielsen's primary practice is Governor Juan F. Luis Hospital and Medical Center in Saint Croix, U.S. Virgin Islands, part of Government of US Virgin Islands.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Risa M. Nielsen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nielsen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Governor Juan F. Luis Hospital and Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Risa M. Nielsen is one of 8 internists in U.S. Virgin Islands
Internal medicine is Dr. Nielsen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Nielsen is licensed in U.S. Virgin Islands.
Specialties and state licenses
- Internal medicine, U.S. Virgin IslandsPrimary
Internists near Dr. Nielsen
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Risa M. Nielsen billed Medicare for 1,034 services in 2024
CMS data shows 1,034 Medicare services from Dr. Nielsen across 10 procedure codes in 2024, for 237 Medicare patients. Medicare paid $69,106 for them. Every service was in an office.
Dr. Nielsen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6672024: 666No change
- Other services
- 2023: 2892024: 3014%
- Tests and treatments
- 2023: 802024: 6716%
Dr. Nielsen's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Source: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data
Dr. Risa M. Nielsen treated 237 Medicare patients in 2024, average age 76
CMS counts 237 Medicare patients who saw Dr. Nielsen in 2024. The largest group is 75 to 84, with 107 patients. 75% of them have high blood pressure, and 60% have high cholesterol. Their average risk score is 0.74, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Nielsen's median patient age at 72, with 69% women.
Dr. Nielsen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Nielsen's Medicare patients by sex, 2024
- Women15465%
- Men8335%
Chronic conditions among Dr. Nielsen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol60%
- Diabetes35%
- Arthritis27%
- Cancer16%
- Osteoporosis16%
- Atrial fibrillation10%
- Chronic kidney disease10%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nielsen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women69%
- Men31%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Risa M. Nielsen wrote 4,405 Medicare Part D claims in 2024
In 2024, Dr. Nielsen wrote 4,405 Medicare Part D claims for 344 patients. 86% of them were for generic drugs. CMS names the drug for 3,861 of them, across 87 drugs with 11 or more claims each, at $379,346 in total drug cost. In 2023, CMS named 3,975 claims across 78 drugs.
Dr. Nielsen's Part D claims by kind of drug, 2024
- Generic3,787 claims86%
- Brand-name581 claims13%
- Other37 claims1%
Dr. Nielsen's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Nielsen's Part D claims, 2024
- Antibiotics1%47 of 4,405 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3,9752024: 3,8613%
Drugs named by CMS: 87 in 2024, 78 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Risa M. Nielsen scored 81 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Dr. Nielsen for performance year 2024, reported individually. Dr. Nielsen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Nielsen as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Nielsen's MIPS scores, performance year 2024
- 81of 100Final score
- 60.9of 100Quality
- 40of 100Improvement Activities
- 90of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Risa M. Nielsen graduated from Harvard Medical School
Dr. Nielsen graduated from Harvard Medical School in 1997.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Risa M. Nielsen's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Risa M. Nielsen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Risa M. Nielsen's NPI number?
Dr. Risa M. Nielsen's NPI number is 1083621742. It was assigned on August 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Risa M. Nielsen?
Dr. Risa M. Nielsen is an internist in U.S. Virgin Islands. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Risa M. Nielsen practice?
Dr. Nielsen practices at #4007 Est Diamond Ruby, Christiansted, Saint Croix, VI 00820. Dr. Nielsen's primary practice is Governor Juan F. Luis Hospital and Medical Center in Saint Croix, U.S. Virgin Islands, part of Government of US Virgin Islands.
What is Dr. Risa M. Nielsen's office phone number?
The practice phone on file for Dr. Nielsen is (340) 778-6311.
What is Dr. Risa M. Nielsen's medical license number?
Dr. Nielsen holds U.S. Virgin Islands license 1251.
Which hospitals is Dr. Risa M. Nielsen affiliated with?
Dr. Nielsen practices at Governor Juan F. Luis Hospital and Medical Center in Saint Croix, U.S. Virgin Islands.
Does Dr. Risa M. Nielsen accept Medicare?
Yes. CMS data shows Dr. Nielsen billed Medicare for 1,034 services in 2024, and Dr. Nielsen accepts Medicare assignment.
Does Dr. Risa M. Nielsen offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Nielsen as offering telehealth services.
What is Dr. Risa M. Nielsen's MIPS score?
Dr. Nielsen's MIPS final score for performance year 2024 is 81 out of 100, reported individually.
How many Medicare patients does Dr. Risa M. Nielsen see?
CMS counts 237 Medicare patients who saw Dr. Nielsen in 2024, with an average age of 76.
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What services does Dr. Risa M. Nielsen bill to Medicare?
In 2024, Dr. Nielsen's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G0439).
Where did Dr. Risa M. Nielsen go to medical school?
Dr. Nielsen graduated from Harvard Medical School in 1997.
What drugs does Dr. Risa M. Nielsen prescribe most?
In 2024 Medicare Part D data, Dr. Nielsen's most prescribed drugs by claims were Losartan Potassium, Simvastatin and Amlodipine Besylate.
How long has Dr. Risa M. Nielsen been practicing?
Dr. Nielsen graduated from medical school in 1997, 29 years ago.
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