Dr. Warren W. Nielsen, MD
- Part D claims, 2024
- 102
- Medical group
- 1
- State licenses
- 2
- Year NPI issued
- 2019
- Practice address
- 111 Colchester Ave, Burlington, VT 05401
- Practice phone
- Call (952) 456-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Medical group
Find Dr. Nielsen's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Warren W. Nielsen is an orthopedic surgeon in Burlington, Vermont
Dr. Nielsen practices with Infinite Health Collaborative (i-Health), a medical group.
Dr. Nielsen's NPI, 1134682966, was assigned on April 9, 2019. Dr. Nielsen holds Minnesota license 82207.
- NPI
- 1134682966NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6507260130
- NPI enumeration date
- April 9, 2019
- NPI status
- Active
- Practice phone
- (952) 456-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Warren W. Nielsen's practice address is in Burlington, Vermont
Dr. Nielsen's practice address in the NPI Registry is 111 Colchester Ave, Burlington, VT 05401, in Chittenden County. The practice phone is (952) 456-7000.
- NPI Registry address111 Colchester Ave, Burlington, VT 05401 · Chittenden CountyPhone(952) 456-7000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Warren W. Nielsen is affiliated with 1 medical group
Dr. Nielsen is part of Infinite Health Collaborative (i-Health), a medical group in Bloomington, Minnesota.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Warren W. 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 |
|---|---|
| Infinite Health Collaborative (i-Health) | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Infinite Health Collaborative (i-Health) and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Warren W. Nielsen is one of 48 orthopedic surgeons in Vermont
Orthopaedic surgery is Dr. Nielsen's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dmand AI has Dr. Nielsen's licenses on file in 2 states: Minnesota and Vermont.
Specialties and state licenses
- Orthopaedic surgery, MinnesotaPrimary
- Vermont license
Orthopedic surgeons near Dr. Nielsen
Counts of orthopedic surgeons 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. Warren W. Nielsen's patients have a median age of 83
Across all payers, Dmand AI patient panel data puts Dr. Nielsen's median patient age at 83, with 100% women.
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 83
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Warren W. Nielsen wrote 102 Medicare Part D claims in 2024
In 2024, Dr. Nielsen wrote 102 Medicare Part D claims for 35 patients. 91% of them were for generic drugs. CMS names the drug for 55 of them, across 4 drugs with 11 or more claims each, at $138 in total drug cost.
Dr. Nielsen's Part D claims by kind of drug, 2024
- Generic93 claims91%
- Brand-name and other9 claims9%
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
- Opioids32%33 of 102 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sources for Dr. Warren W. 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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. Warren W. 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. Warren W. Nielsen's NPI number?
Dr. Warren W. Nielsen's NPI number is 1134682966. It was assigned on April 9, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Warren W. Nielsen?
Dr. Warren W. Nielsen is an orthopedic surgeon in Burlington, Vermont. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Warren W. Nielsen practice?
Dr. Nielsen practices at 111 Colchester Ave, Burlington, VT 05401. Dr. Nielsen's primary practice is Infinite Health Collaborative (i-Health), a medical group.
What is Dr. Warren W. Nielsen's office phone number?
The practice phone on file for Dr. Nielsen is (952) 456-7000.
What is Dr. Warren W. Nielsen's medical license number?
Dr. Nielsen holds Minnesota license 82207, one of the licenses on file in 2 states.
Which states has Dr. Warren W. Nielsen been licensed in?
Dmand AI has state licenses on file for Dr. Nielsen in Minnesota and Vermont.
What medical group is Dr. Warren W. Nielsen part of?
Dr. Nielsen is part of Infinite Health Collaborative (i-Health) in Bloomington, Minnesota.
What drugs does Dr. Warren W. Nielsen prescribe most?
In 2024 Medicare Part D data, Dr. Nielsen's most prescribed drugs by claims were Oxycodone HCl, Tramadol HCl and Meloxicam.
How long has Dr. Warren W. Nielsen been practicing?
Dr. Nielsen's NPI was assigned in 2019.
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