Dr. Nicholas Roger Williams, MD
- Part D claims, 2024
- 15
- Publications
- 1
- Industry payments
- $282
- State license
- 1
- Year NPI issued
- 2024
- Practice address
- 20 York St, New Haven, CT 06510-3220
- Practice phone
- Call (203) 688-4242
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Williams' professional email, personal email and mobile number
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Dr. Nicholas Roger Williams is a general surgeon in New Haven, Connecticut
Dr. Williams practices in New Haven, Connecticut.
Dr. Williams' NPI, 1053161745, was assigned on March 25, 2024. Dr. Williams graduated from University of Connecticut in 2023. Dr. Williams holds Connecticut license 78526.
- NPI
- 1053161745NPI Registry (opens in a new tab)
- NPI enumeration date
- March 25, 2024
- NPI status
- Active
- Practice phone
- (203) 688-4242
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2023
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Nicholas Roger Williams' practice address is in New Haven, Connecticut
Dr. Williams' practice address in the NPI Registry is 20 York St, New Haven, CT 06510-3220. The practice phone is (203) 688-4242.
- NPI Registry address20 York St, New Haven, CT 06510-3220Phone(203) 688-4242
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Nicholas Roger Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Williams' practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nicholas Roger Williams is one of 303 general surgeons in Connecticut
Surgery is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Williams is licensed in Connecticut.
Specialties and state licenses
- Surgery, ConnecticutPrimary
General surgeons near Dr. Williams
Counts of general 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. Nicholas Roger Williams' patients have a median age of 53
Across all payers, Dmand AI patient panel data puts Dr. Williams' median patient age at 53, with 50% women.
Dr. Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Nicholas Roger Williams wrote 15 Medicare Part D claims in 2024
In 2024, Dr. Williams wrote 15 Medicare Part D claims. 87% of them were for generic drugs.
Dr. Williams' Part D claims by kind of drug, 2024
- Generic13 claims87%
- Brand-name and other2 claims13%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Nicholas Roger Williams has 1 publication on record
Dmand AI links 1 paper to Dr. Williams in 2023. Dr. Williams' most frequent co-authors are Robert A. Arciero, MD, Katherine J. Coyner, MD and Matthew Robert Levasseur, MD.
Dr. Williams' most frequent co-authors
- Robert A. Arciero, MD1 shared paper
- Katherine J. Coyner, MD1 shared paper
- Matthew Robert Levasseur, MD1 shared paper
Recent publications by Dr. Williams
See who Dr. Williams researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Williams works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Nicholas Roger Williams received $282 in industry payments in 2025
CMS Open Payments shows 2 general payments to Dr. Williams from 1 drug or device company in 2025. Education make up the largest share, 100% of the total. Medical Device Business Services, Inc. paid the most, $282.
Companies that paid Dr. Williams the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Nicholas Roger Williams graduated from University of Connecticut
Dr. Williams graduated from University of Connecticut in 2023.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Nicholas Roger Williams'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 |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (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. Nicholas Roger Williams
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. Nicholas Roger Williams' NPI number?
Dr. Nicholas Roger Williams' NPI number is 1053161745. It was assigned on March 25, 2024, and it is active in the NPI Registry.
What kind of doctor is Dr. Nicholas Roger Williams?
Dr. Nicholas Roger Williams is a general surgeon in New Haven, Connecticut. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Nicholas Roger Williams practice?
Dr. Williams practices at 20 York St, New Haven, CT 06510-3220.
What is Dr. Nicholas Roger Williams' office phone number?
The practice phone on file for Dr. Williams is (203) 688-4242.
What is Dr. Nicholas Roger Williams' medical license number?
Dr. Williams holds Connecticut license 78526.
Where did Dr. Nicholas Roger Williams go to medical school?
Dr. Williams graduated from University of Connecticut in 2023.
Has Dr. Nicholas Roger Williams received payments from drug or device companies?
CMS Open Payments shows $282 in general payments to Dr. Williams from 1 company from 2025 to 2025. The largest total came from Medical Device Business Services, Inc.
How long has Dr. Nicholas Roger Williams been practicing?
Dr. Williams graduated from medical school in 2023, 3 years ago.
Does Dr. Nicholas Roger Williams do research?
Dmand AI links 1 publication to Dr. Williams.
Who does Dr. Nicholas Roger Williams publish with?
Dr. Williams' most frequent co-authors are Robert A. Arciero, MD (1 shared paper), Katherine J. Coyner, MD (1 shared paper) and Matthew Robert Levasseur, MD (1 shared paper).
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