Dr. Nancy H. Nielsen, MD
- Part D claims, 2017
- 134
- Industry payments
- $36,449
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- NY
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
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. Nancy H. Nielsen is an internist in New York
Dr. Nielsen practices in New York.
Dr. Nielsen's NPI, 1598975443, was assigned on May 22, 2007. Dr. Nielsen holds New York license 133647.
- NPI
- 1598975443NPI Registry (opens in a new tab)
- NPI enumeration date
- May 22, 2007
- NPI status
- Active
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dmand AI tracks the EHR system at Dr. Nancy H. 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 |
|---|---|
| Dr. Nielsen's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nancy H. Nielsen is one of 9,643 internists in New York
Internal medicine is Dr. Nielsen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Nielsen is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
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. Nancy H. Nielsen's patients have a median age of 65
Across all payers, Dmand AI patient panel data puts Dr. Nielsen's median patient age at 65, with 43% 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 65
Patient panel by sex, all payers
- Women43%
- Men57%
Source: Dmand AI Patient Panel Data
Dr. Nancy H. Nielsen wrote 134 Medicare Part D claims in 2017
In 2017, Dr. Nielsen wrote 134 Medicare Part D claims. They cover 7 drugs, with $5,699 in total drug cost. In 2016, CMS named 16 claims across 1 drug.
Dr. Nielsen's most prescribed drugs by claims, 2017
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 162017: 134738%
Drugs named by CMS: 7 in 2017, 1 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Nancy H. Nielsen received $36,449 in industry payments from 2016 to 2019
CMS Open Payments shows 82 general payments to Dr. Nielsen from 7 drug and device companies from 2016 to 2019. Speaker and faculty fees make up the largest share, 63% of the total. Medtronic Vascular, Inc. paid the most, $36,343.
General payments to Dr. Nielsen by program year, 2016 to 2019
General payments to Dr. Nielsen by kind, 2016 to 2019
- Speaker and faculty fees$23,10063%
- Travel and lodging$10,30628%
- Food and beverage$3,0438%
Companies that paid Dr. Nielsen the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Nancy H. 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 |
| 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) |
| Industry payments | Open Payments (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. Nancy H. 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. Nancy H. Nielsen's NPI number?
Dr. Nancy H. Nielsen's NPI number is 1598975443. It was assigned on May 22, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Nancy H. Nielsen?
Dr. Nancy H. Nielsen is an internist in New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
What is Dr. Nancy H. Nielsen's medical license number?
Dr. Nielsen holds New York license 133647.
What drugs does Dr. Nancy H. Nielsen prescribe most?
In 2017 Medicare Part D data, Dr. Nielsen's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Oxycodone HCl and Oxycodone-Acetaminophen.
Has Dr. Nancy H. Nielsen received payments from drug or device companies?
CMS Open Payments shows $36,449 in general payments to Dr. Nielsen from 7 companies from 2016 to 2019. The largest total came from Medtronic Vascular, Inc.
How long has Dr. Nancy H. Nielsen been practicing?
Dr. Nielsen's NPI was assigned in 2007.
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