Nicholas Roger Williams, MD
Surgery Physician · New Haven, CT
Nicholas Roger Williams, MD is a surgery physician with a practice address in New Haven, Connecticut, and NPI 1053161745, issued on Mar 25, 2024. Check the license (Connecticut 78526, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Nicholas Roger Williams
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 78526 CT
Self-reported in NPPES; status is on the state search - Practice location
- 20 York St, New Haven, CT 06510
- Phone
- (203) 688-4242
- Enumerated
- Mar 25, 2024
- Record last updated
- Jun 10, 2024
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 360 in Connecticut → Look up another NPI →
Also registered at 20 York St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nicholas Roger Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 78526Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average surgery physician in 2024
15 Medicare Part D claims, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D.
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.
Nicholas Roger Williams among 360 surgery physician records in Connecticut
Nicholas Roger Williams, MD is one of 360 surgery physician records with a practice address in Connecticut. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than over 99% of them.
- NPI issued2024 · over 99% of these records are older, under 1% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2024 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Connecticut
There are 360 surgery physician records in Connecticut.
All 360 in Connecticut → Every provider in New Haven → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Paul Barcewicz, M.D.New Haven, CT 065101164470548
- Andrew Duffy, M. D.New Haven, CT 065101386686152
- Mark Faries, M.D.New Haven, CT 065101659428969
- Courtney Gibson, MDNew Haven, CT 065101275746869
- Mehra Golshan, MDNew Haven, CT 065101982694113
- Andrew Graham, M.D.New Haven, CT 065101700804036
- Daniel Kim, M.D.New Haven, CT 065101639113806
- Adrian Maung, MDNew Haven, CT 065101043292147
Common questions
What is Nicholas Roger Williams, MD's NPI number?
Nicholas Roger Williams, MD's National Provider Identifier (NPI) is 1053161745, issued on Mar 25, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas Roger Williams, MD located?
The NPPES record lists a practice address at 20 York St, New Haven, CT, 06510. Phone: (203) 688-4242. Providers update this record themselves, so call before visiting.
How can I verify Nicholas Roger Williams, MD's license?
NPPES lists Connecticut license number 78526, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nicholas Roger Williams, MD prescribe under Medicare Part D?
In 2024, Nicholas Roger Williams, MD had 15 Medicare Part D claims; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
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.