Britain Welton Nicholson, MD
Internal Medicine Physician · Boston, MA
Britain Welton Nicholson, MD is an internal medicine physician with a practice address in Boston, Massachusetts, and NPI 1578563680, issued on Jul 29, 2005. Check the license (Massachusetts 46175, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Britain Welton Nicholson
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 46175 MA
Self-reported in NPPES; status is on the state search - Practice location
- 15 Parkman Street, Boston, MA 02114
- Phone
- (617) 724-6610
- Enumerated
- Jul 29, 2005
- Record last updated
- Feb 14, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (617) 724-6649
- Medicaid ID
- 6176712 MA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 15 Parkman Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mark Albers, MD PHDNeurology Physician1578590873
- Adjoa Anyane-YeboaGastroenterology Physician1851666978
- William Austen, M.D.Plastic Surgery Physician1649269531
- Matthew Bellanich, NPNurse Practitioner1003983511
- John Brooks, M.D., F.R.C.P.(C)Neurology Physician1831753862
- Nancy Bryant, N.P.Adult Health Nurse Practitioner1437295722
Verify Britain Welton Nicholson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 46175Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,183 Medicare Part D claims for 272 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 40 claims were for opioids.
Most prescribed
- Atorvastatin Calcium239 claims
- Lisinopril91 claims
- Tamsulosin Hcl87 claims
- Omeprazole84 claims
- Metoprolol Succinate76 claims
- Levothyroxine Sodium74 claims
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.
Britain Welton Nicholson among 6,825 internal medicine physician records in Massachusetts
Britain Welton Nicholson, MD is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2014 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,320 internal medicine physician records list a practice address in Boston
They are 2,320 of the 41,865 NPPES records with a practice address in Boston, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Boston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jaime Chang, MDBoston, MA 021141205825197
- Jeffrey Engelman, MD PHDBoston, MA 021141538159108
- James Evans, MDBoston, MA 021141215939533
- Nicolette Fontaine, MDBoston, MA 021141841287174
- Nancy Gagliano, MDBoston, MA 021141881680767
- Patricia Gibbons, MDBoston, MA 021141619967221
- Steven Hersch, MDBoston, MA 021141174512149
- Mira Kautzky, M.D.Boston, MA 021141972505402
Common questions
What is Britain Welton Nicholson, MD's NPI number?
Britain Welton Nicholson, MD's National Provider Identifier (NPI) is 1578563680, issued on Jul 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Britain Welton Nicholson, MD located?
The NPPES record lists a practice address at 15 Parkman Street, Boston, MA, 02114. Phone: (617) 724-6610. Providers update this record themselves, so call before visiting.
How can I verify Britain Welton Nicholson, MD's license?
NPPES lists Massachusetts license number 46175, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Britain Welton Nicholson, MD prescribe under Medicare Part D?
In 2024, Britain Welton Nicholson, MD had 2,183 Medicare Part D claims for 272 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.